TI AM64x工业核心板硬件说明书（双核ARM Cortex-A53 + 单/四核Cortex-R5F + 单核Cortex-M4F，主频1GHz）
1 硬件资源
创龙科技SOM-TL64x是一款基于TI Sitara系列AM64x双核ARM Cortex-A53 + 单/四核Cortex-R5F + 单核Cortex-M4F设计的多核工业级核心板，通过工业级B2B连接器引出5x TSN Ethernet、9x UART、2x CAN-FD、GPMC、PCIe/USB 3.1等接口。核心板经过专业的PCB Layout和高低温测试验证，稳定可靠，可满足各种工业应用环境。
SOM-TL64x核心板板载CPU、ROM、RAM、晶振、电源、LED等硬件资源，并通过工业级B2B连接器引出IO。
1.1 CPU
核心板CPU型号为AM6412/AM6442，FCBGA(441)封装，工作温度为-40°C~105°C，引脚数量为441个，尺寸为17.2mm*17.2mm。
AM64x处理器架构如下：
表 1
|
CPU |
TI Sitara AM6412/AM6442 |
|
2x ARM Cortex-A53(64bit)，主频1GHz |
|
|
1x Cortex-R5F(AM6412)或4x Cortex-R5F(AM6442)，主频800MHz |
|
|
1x Cortex-M4F，主频400MHz |
|
|
2x PRU-ICSSG，支持EtherCAT、TSN工业协议，每个PRU-ICSSG支持2个千兆网口（仅限AM6442） |
图 4 AM64x处理器功能框图
1.2 ROM
核心板通过MMC0总线连接eMMC，采用8bit数据线，eMMC型号兼容康盈(KOWIN)公司的KAS0311D(8GByte)和江波龙(Longsys)公司的FEMDRW008G(8GByte)。
1.3 RAM
核心板通过专用DDR总线连接1片DDR4，采用16bit数据线。DDR4型号兼容SK海力士(SK Hynix Inc)公司的H5AN8G6NCJR-xxI(1GByte)、Micron公司的MT40A512M16(1GByte)和MT40A1G16(2GByte)，支持DDR4-1600工作模式(800MHz)。
1.4 晶振
核心板采用一个工业级有源晶振(OSC)为CPU提供系统时钟源，时钟频率为25MHz，精度为±50ppm。
1.5 电源
核心板采用分立电源供电设计，所选电源方案均满足工业级环境使用要求。电源系统设计满足CPU的供电和上电、掉电时序要求，采用5V直流电源供电。
1.6 LED
核心板具有3个LED。其中，LED0为电源指示灯，系统上电后默认会点亮；LED1和LED2为用户可编程指示灯，分别对应GPIO0_13和GPIO0_14两个引脚，高电平点亮。
1.7 B2B连接器
核心板采用4个连科公司的工业级B2B连接器，共240pin，间距0.5mm，合高4.0mm。其中2个60pin公座B2B连接器，型号NLWBP05-60C-1.0H，高度1.0mm；2个60pin母座B2B连接器，型号NLWBS05-60C-3.0H，高度3.0mm。
1.8 外设资源
核心板引出的主要外设资源及性能参数如下表所示。
表 2
|
外设资源 |
数量 |
性能参数 |
|
GPMC |
1 |
支持4个片选信号； 支持133MHz时钟的16位并行总线； 支持100MHz时钟的32位并行总线； 最高支持23位地址线； |
|
CAN |
2 |
支持CAN 2.0B协议； 最高支持1Mbps速率； |
|
I2C |
6 |
标准模式最高支持100Kbps传输速率； 快速模式最高支持400Kbps传输速率； 高速模式最高支持3.4Mbps传输速率； 备注：其中2路I2C为MCU专用资源 |
|
ADC |
1 |
12bit，8路模拟输入，采样率4MSPS； 电压输入范围一般为0 ~ 1.8V； 备注：此功能仅限AM6442 |
|
SPI |
7 |
每路SPI包含4个片选信号； 最高支持50MHz工作频率； 备注：其中2路SPI为MCU专用资源 |
|
MMC |
2 |
支持最高200MHz时钟； MMC0支持SD4.1/SDIO4.0/eMMC5.1规范，支持1、4、8位MMC模式； MMC1支持SD4.1/SDIO4.0规范，支持1、4位MMC模式； 备注：核心板板载eMMC设备已使用MMC0，未引出至B2B连接器 |
|
FSI |
8 |
6个快速串行接口接收器(FSI_RX)； 2个快速串行接口发送器(FSI_TX)； 支持可编程的数据长度、硬件CRC校验、ECC等功能； 支持最高50MHz时钟； |
|
OSPI/QSPI |
1 |
包含1个可配置为8通道OSPI闪存接口以及一个4通道QSPI的闪存子系统(FSS)； 包含4个片选信号； 支持4线、6线、11线SPI接口； 最高支持166MHz工作频率； |
|
PCIe |
1 |
支持单通道Gen2标准端口； 支持RC或EP模式； 最高通信速率可达5Gbps； |
|
USB 3.1 |
1 |
支持DRD（即Host或Device）模式； 支持Super-Speed/High-Speed/Full-Speed/Low-Speed模式； 备注：USB 3.1和PCIe共用一个SerDes，若已使用PCIe功能，则USB仅可支持USB 2.0 |
|
Ethernet |
2 |
采用RGMII接口，支持EtherCAT、TSN工业协议； 支持10/100/1000M网口配置； 支持网络自适应； |
|
Timer |
16 |
最高支持12路通用定时器； 每路定时器具有专用32bit定时计数器，支持自动重载模式； 支持1ms的滴答时钟生成； 备注：其中4路Timer为MCU专用资源 |
|
ePWM |
9 |
最高支持9路PWM输出，每路PWM具有专用16位时基计数器（用于周期和频率控制）； 支持最高13.5MHz工作频率； |
|
UART |
9 |
在48MHz工作频率下，最高波特率可达3.6Mbps； 支持硬件或软件流控； 备注：其中2路UART为MCU专用资源 |
|
eCAP |
3 |
最高支持3路eCAP输入或PWM输出（不使用eCAP捕获模式时，可配置为PWM输出模式）； 每路eCAP具有专用32位时基计数器； |
|
eQEP |
3 |
最高支持3路eQEP输入； 支持正交时钟模式和方向计数模式； |
|
CPTS |
3 |
支持8个硬件时间戳推送输入； 支持时间戳计数器比较输出(CPTS_COMP)； 支持时间戳计数器位输出(CPTS_SYNC)； 支持6个时间戳生成器功能输出(CPTS_GENF0到CPTS_GENF5)； 支持32位和64位时间戳模式； 备注：其中1路CPTS为MCU专用资源，1路CPTS为PCIe接口专用资源 |
|
Watchdog |
4 |
32bit定时器计数器； |
|
JTAG |
1 |
支持边界扫描； 支持IEEE 1149.1和IEEE 1149.6。 |
部分外设资源存在引脚复用情况，在实际开发过程中可使用产品资料“4-软件资料\Tools\Windows\sysconfig-1.13.0_2553-setup工具”，参考我司提供的“5-硬件资料\核心板资料\PINMUX\SOM-TL64x.syscfg”PINMUX文件对外设资源进行合理分配。
图 7
2 引脚说明
2.1 引脚排列
核心板B2B连接器分别为CON0A（公座，对应评估底板CON0A）、CON0B（公座，对应评估底板CON0B）、CON0C（母座，对应评估底板CON0C）、CON0D（母座，对应评估底板CON0D），引脚排列如下图所示。
图 8
2.2 引脚定义
核心板引脚定义如下表。
其中“B2B引脚号”为核心板B2B引脚序列号，“芯片引脚号”为CPU引脚序列号，“引脚信号名称”为CPU引脚信号名称，“引脚功能”为核心板引脚推荐功能描述。
引脚信号名称中，如包含"PU"、"PD"，则分别指该引脚在核心板内部已进行上拉(PU)或已进行下拉(PD)配置。请勿改变"PU"、"PD"引脚的上下拉状态，否则将可能导致核心板部分功能异常。
2.2.1 CON0A
表 3
|
B2B引脚号 |
芯片引脚号 |
引脚信号名称 |
引脚功能 |
参考电平 |
|
A1 |
T14 |
T14/<USB0_VBUS> |
USB |
- |
|
A3 |
- |
GND |
GND |
GND |
|
A5 |
Y16 |
Y16/<SERDES0_RX0_P> |
PCIe |
- |
|
A7 |
Y15 |
Y15/<SERDES0_RX0_N> |
PCIe |
- |
|
A9 |
- |
GND |
GND |
GND |
|
A11 |
AA17 |
AA17/<SERDES0_TX0_P> |
PCIe |
- |
|
A13 |
AA16 |
AA16/<SERDES0_TX0_N> |
PCIe |
- |
|
A15 |
- |
GND |
GND |
GND |
|
A17 |
Y6 |
Y6/<PRG1_MDIO0_MDC/MDIO0_MDC/GPIO0_86>/3V3 |
PRG1 MDIO0 |
3.3V |
|
A19 |
Y7 |
Y7/<PRG1_PRU0_GPO0/PRG1_PRU0_GPI0/PRG1_RGMII1_RD0/PRG1_PWM3_A0/GPIO0_45/GPMC0_AD16>/3V3 |
PRG1_RGMII1 |
3.3V |
|
A21 |
W8 |
W8/<PRG1_PRU0_GPO2/PRG1_PRU0_GPI2/PRG1_RGMII1_RD2/PRG1_PWM2_A0/GPIO0_47/GPMC0_AD18>/3V3 |
PRG1_RGMII1 |
3.3V |
|
A23 |
Y8 |
Y8/<PRG1_PRU0_GPO4/PRG1_PRU0_GPI4/PRG1_RGMII1_RX_CTL/PRG1_PWM2_B0/GPIO0_49/GPMC0_AD20>/3V3 |
PRG1_RGMII1 |
3.3V |
|
A25 |
AA7 |
AA7/<PRG1_PRU0_GPO6/PRG1_PRU0_GPI6/PRG1_RGMII1_RXC/PRG1_PWM3_A1/GPIO0_51/GPMC0_AD22>/3V3 |
PRG1_RGMII1 |
3.3V |
|
A27 |
W13 |
W13/<PRG1_PRU0_GPO8/PRG1_PRU0_GPI8/PRG1_PWM2_A1/RGMII1_RXC/GPIO0_53/GPMC0_AD24>/3V3 |
GPIO |
3.3V |
|
A29 |
U14 |
U14/<PRG1_PRU0_GPO10/PRG1_PRU0_GPI10/PRG1_UART0_RTSn/PRG1_PWM2_B1/RGMII1_TXC/RMII_REF_CLK/PRG1_IEP0_EDIO_DATA_IN_OUT29/GPIO0_55/GPMC0_AD26>/3V3 |
RGMII1 |
3.3V |
|
A31 |
U9 |
U9/<PRG1_PRU0_GPO12/PRG1_PRU0_GPI12/PRG1_RGMII1_TD1/PRG1_PWM0_A0/GPIO0_57/GPMC0_AD28>/3V3 |
PRG1_RGMII1 |
3.3V |
|
A33 |
AA9 |
AA9/<PRG1_PRU0_GPO14/PRG1_PRU0_GPI14/PRG1_RGMII1_TD3/PRG1_PWM0_A1/GPIO0_59/GPMC0_AD30>/3V3 |
PRG1_RGMII1 |
3.3V |
|
A35 |
V9 |
V9/<PRG1_PRU0_GPO16/PRG1_PRU0_GPI16/PRG1_RGMII1_TXC/PRG1_PWM0_A2/GPIO0_61/GPMC0_BE2n>/3V3 |
PRG1_RGMII1 |
3.3V |
|
A37 |
V7 |
V7/<PRG1_PRU0_GPO18/PRG1_PRU0_GPI18/PRG1_IEP0_EDC_LATCH_IN0/PRG1_PWM0_TZ_IN/CPTS0_HW1TSPUSH/TIMER_IO8/GPIO0_63/GPMC0_A1>/3V3 |
GPIO |
3.3V |
|
A39 |
- |
GND |
GND |
GND |
|
A41 |
W11 |
W11/<PRG1_PRU1_GPO0/PRG1_PRU1_GPI0/PRG1_RGMII2_RD0/RGMII2_RD0/RMII2_RXD0/GPIO0_65/GPMC0_A3>/3V3 |
RGMII2 |
3.3V |
|
A43 |
AA12 |
AA12/<PRG1_PRU1_GPO2/PRG1_PRU1_GPI2/PRG1_RGMII2_RD2/PRG1_PWM2_A2/RGMII2_RD2/GPIO0_67/GPMC0_A5>/3V3 |
RGMII2 |
3.3V |
|
A45 |
W12 |
W12/<PRG1_PRU1_GPO4/PRG1_PRU1_GPI4/PRG1_RGMII2_RX_CTL/PRG1_PWM2_B2/RGMII2_RX_CTL/RMII2_RX_ER/GPIO0_69/GPMC0_A7>/3V3 |
RGMII2 |
3.3V |
|
A47 |
U11 |
U11/<PRG1_PRU1_GPO6/PRG1_PRU1_GPI6/PRG1_RGMII2_RXC/RGMII2_RXC/GPIO0_71/GPMC0_A9>/3V3 |
RGMII2 |
3.3V |
|
A49 |
U12 |
U12/<PRG1_PRU1_GPO8/PRG1_PRU1_GPI8/PRG1_PWM2_TZ_OUT/RGMII1_RD1/GPIO0_73/GPMC0_A11>/3V3 |
GPIO |
3.3V |
|
A51 |
W14 |
W14/<PRG1_PRU1_GPO10/PRG1_PRU1_GPI10/PRG1_UART0_TXD/PRG1_PWM2_TZ_IN/RGMII1_TD2/RMII1_TXD0/PRG1_IEP0_EDIO_DATA_IN_OUT31/GPIO0_75/GPMC0_A13>/3V3 |
RGMII1 |
3.3V |
|
A53 |
V10 |
V10/<PRG1_PRU1_GPO12/PRG1_PRU1_GPI12/PRG1_RGMII2_TD1/PRG1_PWM1_A0/RGMII2_TD1/RMII2_TXD1/GPIO0_77/GPMC0_A15>/3V3 |
RGMII2 |
3.3V |
|
A55 |
AA11 |
AA11/<PRG1_PRU1_GPO14/PRG1_PRU1_GPI14/PRG1_RGMII2_TD3/PRG1_PWM1_A1/RGMII2_TD3/GPIO0_79/GPMC0_A17>/3V3 |
RGMII2 |
3.3V |
|
A57 |
Y10 |
Y10/<PRG1_PRU1_GPO16/PRG1_PRU1_GPI16/PRG1_RGMII2_TXC/PRG1_PWM1_A2/RGMII2_TXC/GPIO0_81/GPMC0_A19>/3V3 |
RGMII2 |
3.3V |
|
A59 |
Y13 |
Y13/<PRG1_PRU1_GPO18/PRG1_PRU1_GPI18/PRG1_IEP1_EDC_LATCH_IN0/PRG1_PWM1_TZ_IN/RGMII1_RD2/RMII1_TX_EN/GPIO0_20/UART5_CTSn/PRG1_ECAP0_SYNC_IN>/3V3 |
GPIO |
3.3V |
|
A2 |
- |
GND |
GND |
GND |
|
A4 |
W17 |
W17/<SERDES0_REFCLK0P> |
PCIe |
- |
|
A6 |
W16 |
W16/<SERDES0_REFCLK0N> |
PCIe |
- |
|
A8 |
AA19 |
AA19/<USB0_DP> |
USB |
- |
|
A10 |
AA20 |
AA20/<USB0_DM> |
USB |
- |
|
A12 |
U16 |
U16/<USB0_ID>/3V3 |
USB |
3.3V |
|
A14 |
E19 |
E19/<USB0_DRVVBUS/GPIO1_79>/3V3 |
GPIO |
3.3V |
|
A16 |
- |
GND |
GND |
GND |
|
A18 |
AA6 |
AA6/<PRG1_MDIO0_MDIO/MDIO0_MDIO/GPIO0_85>/3V3 |
PRG1 MDIO0 |
3.3V |
|
A20 |
U8 |
U8/<PRG1_PRU0_GPO1/PRG1_PRU0_GPI1/PRG1_RGMII1_RD1/PRG1_PWM3_B0/GPIO0_46/GPMC0_AD17>/3V3 |
PRG1_RGMII1 |
3.3V |
|
A22 |
V8 |
V8/<PRG1_PRU0_GPO3/PRG1_PRU0_GPI3/PRG1_RGMII1_RD3/PRG1_PWM3_A2/GPIO0_48/GPMC0_AD19>/3V3 |
PRG1_RGMII1 |
3.3V |
|
A24 |
V13 |
V13/<PRG1_PRU0_GPO5/PRG1_PRU0_GPI5/PRG1_PWM3_B2/RGMII1_RX_CTL/GPIO0_50/GPMC0_AD21>/3V3 |
GPIO |
3.3V |
|
A26 |
U13 |
U13/<PRG1_PRU0_GPO7/PRG1_PRU0_GPI7/PRG1_IEP0_EDC_LATCH_IN1/PRG1_PWM3_B1/CPTS0_HW2TSPUSH/CLKOUT0/TIMER_IO10/GPIO0_52/GPMC0_AD23>/3V3 |
GPIO |
3.3V |
|
A28 |
U15 |
U15/<PRG1_PRU0_GPO9/PRG1_PRU0_GPI9/PRG1_UART0_CTSn/PRG1_PWM3_TZ_IN/RGMII1_TX_CTL/RMII1_RX_ER/PRG1_IEP0_EDIO_DATA_IN_OUT28/GPIO0_54/GPMC0_AD25>/3V3 |
RGMII1 |
3.3V |
|
A30 |
AA8 |
AA8/<PRG1_PRU0_GPO11/PRG1_PRU0_GPI11/PRG1_RGMII1_TD0/PRG1_PWM3_TZ_OUT/GPIO0_56/GPMC0_AD27>/3V3 |
PRG1_RGMII1 |
3.3V |
|
A32 |
W9 |
W9/<PRG1_PRU0_GPO13/PRG1_PRU0_GPI13/PRG1_RGMII1_TD2/PRG1_PWM0_B0/GPIO0_58/GPMC0_AD29>/3V3 |
PRG1_RGMII1 |
3.3V |
|
A34 |
Y9 |
Y9/<PRG1_PRU0_GPO15/PRG1_PRU0_GPI15/PRG1_RGMII1_TX_CTL/PRG1_PWM0_B1/GPIO0_60/GPMC0_AD31>/3V3 |
PRG1_RGMII1 |
3.3V |
|
A36 |
U7 |
U7/<PRG1_PRU0_GPO17/PRG1_PRU0_GPI17/PRG1_IEP0_EDC_SYNC_OUT1/PRG1_PWM0_B2/CPTS0_TS_SYNC/TIMER_IO7/GPIO0_62/GPMC0_A0>/3V3 |
GPIO |
3.3V |
|
A38 |
W7 |
W7/<PRG1_PRU0_GPO19/PRG1_PRU0_GPI19/PRG1_IEP0_EDC_SYNC_OUT0/PRG1_PWM0_TZ_OUT/CPTS0_TS_COMP/TIMER_IO9/GPIO0_64/GPMC0_A2>/3V3 |
GPIO |
3.3V |
|
A40 |
- |
GND |
GND |
GND |
|
A42 |
V11 |
V11/<PRG1_PRU1_GPO1/PRG1_PRU1_GPI1/PRG1_RGMII2_RD1/RGMII2_RD1/RMII2_RXD1/GPIO0_66/GPMC0_A4>/3V3 |
RGMII2 |
3.3V |
|
A44 |
Y12 |
Y12/<PRG1_PRU1_GPO3/PRG1_PRU1_GPI3/PRG1_RGMII2_RD3/RGMII2_RD3/GPIO0_68/GPMC0_A6>/3V3 |
RGMII2 |
3.3V |
|
A46 |
AA13 |
AA13/<PRG1_PRU1_GPO5/PRG1_PRU1_GPI5/RGMII1_RD0/GPIO0_70/GPMC0_A8>/3V3 |
GPIO |
3.3V |
|
A48 |
V15 |
V15/<PRG1_PRU1_GPO7/PRG1_PRU1_GPI7/PRG1_IEP1_EDC_LATCH_IN1/RGMII1_TD0/RMII1_RXD0/SPI3_CS3/GPIO0_72/GPMC0_A10>/3V3 |
RGMII1 |
3.3V |
|
A50 |
V14 |
V14/<PRG1_PRU1_GPO9/PRG1_PRU1_GPI9/PRG1_UART0_RXD/RGMII1_TD1/RMII1_RXD1/PRG1_IEP0_EDIO_DATA_IN_OUT30/GPIO0_74/GPMC0_A12>/3V3 |
RGMII1 |
3.3V |
|
A52 |
AA10 |
AA10/<PRG1_PRU1_GPO11/PRG1_PRU1_GPI11/PRG1_RGMII2_TD0/RGMII2_TD0/RMII2_TXD0/GPIO0_76/GPMC0_A14>/3V3 |
RGMII2 |
3.3V |
|
A54 |
U10 |
U10/<PRG1_PRU1_GPO13/PRG1_PRU1_GPI13/PRG1_RGMII2_TD2/PRG1_PWM1_B0/RGMII2_TD2/RMII2_CRS_DV/GPIO0_78/GPMC0_A16>/3V3 |
RGMII2 |
3.3V |
|
A56 |
Y11 |
Y11/<PRG1_PRU1_GPO15/PRG1_PRU1_GPI15/PRG1_RGMII2_TX_CTL/PRG1_PWM1_B1/RGMII2_TX_CTL/RMII2_TX_EN/GPIO0_80/GPMC0_A18>/3V3 |
RGMII2 |
3.3V |
|
A58 |
AA14 |
AA14/<PRG1_PRU1_GPO17/PRG1_PRU1_GPI17/PRG1_IEP1_EDC_SYNC_OUT1/PRG1_PWM1_B2/RGMII1_TD3/RMII1_TXD1/GPIO0_19/GPMC0_BE3n/PRG1_ECAP0_SYNC_OUT>/3V3 |
RGMII1 |
3.3V |
|
A60 |
V12 |
V12/<PRG1_PRU1_GPO19/PRG1_PRU1_GPI19/PRG1_IEP1_EDC_SYNC_OUT0/PRG1_PWM1_TZ_OUT/RGMII1_RD3/RMII1_CRS_DV/SPI3_CS2/GPIO0_84/UART5_RTSn/PRG1_ECAP0_IN_APWM_OUT>/3V3 |
GPIO |
3.3V |
2.2.2 CON0B
表 4
|
B2B引脚号 |
芯片引脚号 |
引脚信号名称 |
引脚功能 |
参考电平 |
|
B1 |
C9 |
C9/<MCU_UART1_RXD/MCU_GPIO0_14>/3V3 |
MCU UART1 |
3.3V |
|
B3 |
D9 |
D9/<MCU_UART1_TXD/MCU_GPIO0_15>/3V3 |
MCU UART1 |
3.3V |
|
B5 |
D7 |
D7/<MCU_SPI1_CLK/MCU_GPIO0_7>/3V3 |
MCU GPIO |
3.3V |
|
B7 |
C7 |
C7/<MCU_SPI1_D0/MCU_GPIO0_8>/3V3 |
MCU GPIO |
3.3V |
|
B9 |
C8 |
C8/<MCU_SPI1_D1/MCU_GPIO0_9>/3V3 |
MCU GPIO |
3.3V |
|
B11 |
A7 |
A7/<MCU_SPI1_CS0/MCU_GPIO0_5>/3V3 |
MCU GPIO |
3.3V |
|
B13 |
B7 |
B7/<MCU_SPI1_CS1/MCU_EXT_REFCLK0/MCU_GPIO0_6>/3V3 |
MCU GPIO |
3.3V |
|
B15 |
- |
GND |
GND |
GND |
|
B17 |
P2 |
P2/<PRG0_MDIO0_MDIO/GPIO1_40/GPMC0_A12>/3V3 |
PRG0 MDIO0 |
3.3V |
|
B19 |
Y1 |
Y1/<PRG0_PRU0_GPO0/PRG0_PRU0_GPI0/PRG0_RGMII1_RD0/PRG0_PWM3_A0/GPIO1_0/UART2_CTSn>/3V3 |
PRG0 RGMII1 |
3.3V |
|
B21 |
U2 |
U2/<PRG0_PRU0_GPO2/PRG0_PRU0_GPI2/PRG0_RGMII1_RD2/PRG0_PWM2_A0/GPIO1_2/GPMC0_A0/UART2_RTSn>/3V3 |
PRG0 RGMII1 |
3.3V |
|
B23 |
AA2 |
AA2/<PRG0_PRU0_GPO4/PRG0_PRU0_GPI4/PRG0_RGMII1_RX_CTL/PRG0_PWM2_B0/GPIO1_4/GPMC0_A1/UART3_TXD>/3V3 |
PRG0 RGMII1 |
3.3V |
|
B25 |
T3 |
T3/<PRG0_PRU0_GPO6/PRG0_PRU0_GPI6/PRG0_RGMII1_RXC/PRG0_PWM3_A1/GPIO1_6/UART4_CTSn>/3V3 |
PRG0 RGMII1 |
3.3V |
|
B27 |
T2 |
T2/<PRG0_PRU0_GPO8/PRG0_PRU0_GPI8/PRG0_PWM2_A1/GPIO1_8/GPMC0_A2/UART4_RTSn>/3V3 |
GPIO |
3.3V |
|
B29 |
AA5 |
AA5/<PRG0_PRU0_GPO10/PRG0_PRU0_GPI10/PRG0_UART0_RTSn/PRG0_PWM2_B1/RGMII1_RXC/RMII_REF_CLK/PRG0_IEP0_EDIO_DATA_IN_OUT29/GPIO1_10/UART3_RXD>/3V3 |
RGMII1 |
3.3V |
|
B31 |
AA3 |
AA3/<PRG0_PRU0_GPO12/PRG0_PRU0_GPI12/PRG0_RGMII1_TD1/PRG0_PWM0_A0/GPIO1_12/GPMC0_A14>/3V3 |
PRG0 RGMII1 |
3.3V |
|
B33 |
V4 |
V4/<PRG0_PRU0_GPO14/PRG0_PRU0_GPI14/PRG0_RGMII1_TD3/PRG0_PWM0_A1/SPI3_D1/GPIO1_14/GPMC0_A3>/3V3 |
PRG0 RGMII1 |
3.3V |
|
B35 |
U4 |
U4/<PRG0_PRU0_GPO16/PRG0_PRU0_GPI16/PRG0_RGMII1_TXC/PRG0_PWM0_A2/SPI3_CLK/GPIO1_16/GPMC0_A4>/3V3 |
PRG0 RGMII1 |
3.3V |
|
B37 |
V1 |
V1/<PRG0_PRU0_GPO18/PRG0_PRU0_GPI18/PRG0_IEP0_EDC_LATCH_IN0/PRG0_PWM0_TZ_IN/CPTS0_HW1TSPUSH/CP_GEMAC_CPTS0_HW1TSPUSH/EHRPWM8_A/GPIO1_18/UART4_CTSn/GPMC0_A5/UART2_RXD>/3V3 |
CPSW CPTS |
3.3V |
|
B39 |
- |
GND |
GND |
GND |
|
B41 |
Y2 |
Y2/<PRG0_PRU1_GPO0/PRG0_PRU1_GPI0/PRG0_RGMII2_RD0/GPIO1_20/EQEP0_A/UART5_CTSn>/3V3 |
PRG0 RGMII2 |
3.3V |
|
B43 |
V3 |
V3/<PRG0_PRU1_GPO2/PRG0_PRU1_GPI2/PRG0_RGMII2_RD2/PRG0_PWM2_A2/GPIO1_22/EQEP0_S/UART5_RTSn>/3V3 |
PRG0 RGMII2 |
3.3V |
|
B45 |
W3 |
W3/<PRG0_PRU1_GPO4/PRG0_PRU1_GPI4/PRG0_RGMII2_RX_CTL/PRG0_PWM2_B2/GPIO1_24/EQEP1_B/UART6_TXD>/3V3 |
PRG0 RGMII2 |
3.3V |
|
B47 |
R5 |
R5/<PRG0_PRU1_GPO6/PRG0_PRU1_GPI6/PRG0_RGMII2_RXC/GPIO1_26/EQEP2_A/GPMC0_A19/UART4_CTSn>/3V3 |
PRG0 RGMII2 |
3.3V |
|
B49 |
R1 |
R1/<PRG0_PRU1_GPO8/PRG0_PRU1_GPI8/PRG0_PWM2_TZ_OUT/GPIO1_28/EQEP2_S/UART4_RTSn>/3V3 |
GPIO |
3.3V |
|
B51 |
V6 |
V6/<PRG0_PRU1_GPO10/PRG0_PRU1_GPI10/PRG0_UART0_TXD/PRG0_PWM2_TZ_IN/RGMII1_RD2/RMII1_TXD0/PRG0_IEP0_EDIO_DATA_IN_OUT31/GPIO1_30/EQEP1_I/UART6_RXD>/3V3 |
RGMII1 |
3.3V |
|
B53 |
Y4 |
Y4/<PRG0_PRU1_GPO12/PRG0_PRU1_GPI12/PRG0_RGMII2_TD1/PRG0_PWM1_A0/GPIO1_32/EQEP2_B/GPMC0_A7/UART4_TXD>/3V3 |
PRG0 RGMII2 |
3.3V |
|
B55 |
U6 |
U6/<PRG0_PRU1_GPO14/PRG0_PRU1_GPI14/PRG0_RGMII2_TD3/PRG0_PWM1_A1/GPIO1_34/EQEP1_I/GPMC0_A9/UART6_RXD>/3V3 |
PRG0 RGMII2 |
3.3V |
|
B57 |
AA4 |
AA4/<PRG0_PRU1_GPO16/PRG0_PRU1_GPI16/PRG0_RGMII2_TXC/PRG0_PWM1_A2/GPIO1_36/GPMC0_A11/PRG0_ECAP0_SYNC_OUT>/3V3 |
PRG0 RGMII2 |
3.3V |
|
B59 |
P5 |
P5/<PRG0_PRU1_GPO18/PRG0_PRU1_GPI18/PRG0_IEP1_EDC_LATCH_IN0/PRG0_PWM1_TZ_IN/MDIO0_MDIO/RMII1_TX_EN/EHRPWM7_A/GPIO1_38/PRG0_ECAP0_SYNC_IN>/3V3 |
MDIO0 |
3.3V |
|
B2 |
A9 |
A9/<MCU_UART0_RXD/MCU_GPIO0_3>/3V3 |
MCU UART0 |
3.3V |
|
B4 |
A8 |
A8/<MCU_UART0_TXD/MCU_GPIO0_2>/3V3 |
MCU UART0 |
3.3V |
|
B6 |
E6 |
E6/<MCU_SPI0_CLK/MCU_GPIO0_11>/3V3 |
MCU GPIO |
3.3V |
|
B8 |
E7 |
E7/<MCU_SPI0_D0/MCU_GPIO0_10>/3V3 |
MCU GPIO |
3.3V |
|
B10 |
B6 |
B6/<MCU_SPI0_D1/MCU_GPIO0_4>/3V3 |
MCU GPIO |
3.3V |
|
B12 |
D6 |
D6/<MCU_SPI0_CS0/MCU_GPIO0_13>/3V3 |
MCU GPIO |
3.3V |
|
B14 |
C6 |
C6/<MCU_SPI0_CS1/MCU_OBSCLK0/MCU_SYSCLKOUT0/MCU_GPIO0_12>/3V3 |
MCU GPIO |
3.3V |
|
B16 |
- |
GND |
GND |
GND |
|
B18 |
P3 |
P3/<PRG0_MDIO0_MDC/GPIO1_41/GPMC0_A13>/3V3 |
PRG0 MDIO0 |
3.3V |
|
B20 |
R4 |
R4/<PRG0_PRU0_GPO1/PRG0_PRU0_GPI1/PRG0_RGMII1_RD1/PRG0_PWM3_B0/GPIO1_1/UART2_TXD>/3V3 |
PRG0 RGMII1 |
3.3V |
|
B22 |
V2 |
V2/<PRG0_PRU0_GPO3/PRG0_PRU0_GPI3/PRG0_RGMII1_RD3/PRG0_PWM3_A2/GPIO1_3/UART3_CTSn>/3V3 |
PRG0 RGMII1 |
3.3V |
|
B24 |
R3 |
R3/<PRG0_PRU0_GPO5/PRG0_PRU0_GPI5/PRG0_PWM3_B2/GPIO1_5/UART3_RTSn>/3V3 |
GPIO |
3.3V |
|
B26 |
T1 |
T1/<PRG0_PRU0_GPO7/PRG0_PRU0_GPI7/PRG0_IEP0_EDC_LATCH_IN1/PRG0_PWM3_B1/CPTS0_HW2TSPUSH/CP_GEMAC_CPTS0_HW2TSPUSH/TIMER_IO6/GPIO1_7/UART4_TXD>/3V3 |
CPSW CPTS |
3.3V |
|
B28 |
W6 |
W6/<PRG0_PRU0_GPO9/PRG0_PRU0_GPI9/PRG0_UART0_CTSn/PRG0_PWM3_TZ_IN/RGMII1_RX_CTL/RMII1_RX_ER/PRG0_IEP0_EDIO_DATA_IN_OUT28/GPIO1_9/UART2_RXD>/3V3 |
RGMII1 |
3.3V |
|
B30 |
Y3 |
Y3/<PRG0_PRU0_GPO11/PRG0_PRU0_GPI11/PRG0_RGMII1_TD0/PRG0_PWM3_TZ_OUT/GPIO1_11/UART4_RXD>/3V3 |
PRG0 RGMII1 |
3.3V |
|
B32 |
R6 |
R6/<PRG0_PRU0_GPO13/PRG0_PRU0_GPI13/PRG0_RGMII1_TD2/PRG0_PWM0_B0/SPI3_D0/GPIO1_13/GPMC0_A15>/3V3 |
PRG0 RGMII1 |
3.3V |
|
B34 |
T5 |
T5/<PRG0_PRU0_GPO15/PRG0_PRU0_GPI15/PRG0_RGMII1_TX_CTL/PRG0_PWM0_B1/SPI3_CS1/GPIO1_15/GPMC0_A16>/3V3 |
PRG0 RGMII1 |
3.3V |
|
B36 |
U1 |
U1/<PRG0_PRU0_GPO17/PRG0_PRU0_GPI17/PRG0_IEP0_EDC_SYNC_OUT1/PRG0_PWM0_B2/CPTS0_TS_SYNC/CP_GEMAC_CPTS0_TS_SYNC/SPI3_CS0/GPIO1_17/TIMER_IO11/GPMC0_A17>/3V3 |
CPSW CPTS |
3.3V |
|
B38 |
W1 |
W1/<PRG0_PRU0_GPO19/PRG0_PRU0_GPI19/PRG0_IEP0_EDC_SYNC_OUT0/PRG0_PWM0_TZ_OUT/CPTS0_TS_COMP/CP_GEMAC_CPTS0_TS_COMP/EHRPWM8_B/GPIO1_19/UART4_RTSn/GPMC0_A6/UART3_RXD>/3V3 |
CPSW CPTS |
3.3V |
|
B40 |
- |
GND |
GND |
GND |
|
B42 |
W2 |
W2/<PRG0_PRU1_GPO1/PRG0_PRU1_GPI1/PRG0_RGMII2_RD1/GPIO1_21/EQEP0_B/UART5_TXD>/3V3 |
PRG0 RGMII2 |
3.3V |
|
B44 |
T4 |
T4/<PRG0_PRU1_GPO3/PRG0_PRU1_GPI3/PRG0_RGMII2_RD3/GPIO1_23/EQEP1_A/GPMC0_A18/UART6_CTSn>/3V3 |
PRG0 RGMII2 |
3.3V |
|
B46 |
P4 |
P4/<PRG0_PRU1_GPO5/PRG0_PRU1_GPI5/GPIO1_25/EQEP1_S/UART6_RTSn>/3V3 |
GPIO |
3.3V |
|
B48 |
W5 |
W5/<PRG0_PRU1_GPO7/PRG0_PRU1_GPI7/PRG0_IEP1_EDC_LATCH_IN1/RGMII1_RD0/RMII1_RXD0/GPIO1_27/EQEP2_B/UART4_TXD>/3V3 |
RGMII1 |
3.3V |
|
B50 |
Y5 |
Y5/<PRG0_PRU1_GPO9/PRG0_PRU1_GPI9/PRG0_UART0_RXD/RGMII1_RD1/RMII1_RXD1/PRG0_IEP0_EDIO_DATA_IN_OUT30/GPIO1_29/EQEP0_I/UART5_RXD>/3V3 |
RGMII1 |
3.3V |
|
B52 |
W4 |
W4/<PRG0_PRU1_GPO11/PRG0_PRU1_GPI11/PRG0_RGMII2_TD0/GPIO1_31/EQEP2_I/UART4_RXD>/3V3 |
PRG0 RGMII2 |
3.3V |
|
B54 |
T6 |
T6/<PRG0_PRU1_GPO13/PRG0_PRU1_GPI13/PRG0_RGMII2_TD2/PRG0_PWM1_B0/GPIO1_33/EQEP0_I/GPMC0_A8/UART5_RXD>/3V3 |
PRG0 RGMII2 |
3.3V |
|
B56 |
U5 |
U5/<PRG0_PRU1_GPO15/PRG0_PRU1_GPI15/PRG0_RGMII2_TX_CTL/PRG0_PWM1_B1/GPIO1_35/GPMC0_A10/PRG0_ECAP0_IN_APWM_OUT>/3V3 |
PRG0 RGMII2 |
3.3V |
|
B58 |
V5 |
V5/<PRG0_PRU1_GPO17/PRG0_PRU1_GPI17/PRG0_IEP1_EDC_SYNC_OUT1/PRG0_PWM1_B2/RGMII1_RD3/RMII1_TXD1/GPIO1_37/PRG0_ECAP0_SYNC_OUT/PRG0_ECAP0_SYNC_IN>/3V3 |
RGMII1 |
3.3V |
|
B60 |
R2 |
R2/<PRG0_PRU1_GPO19/PRG0_PRU1_GPI19/PRG0_IEP1_EDC_SYNC_OUT0/PRG0_PWM1_TZ_OUT/MDIO0_MDC/RMII1_CRS_DV/EHRPWM7_B/GPIO1_39/PRG0_ECAP0_IN_APWM_OUT>/3V3 |
MDIO0 |
3.3V |
2.2.3 CON0C
|
B2B引脚号 |
芯片引脚号 |
引脚信号名称 |
引脚功能 |
参考电平 |
|
C1 |
D20 |
D20/<ADC0_AIN3>/1V8 |
ADC0 |
1.8V |
|
C3 |
E21 |
E21/<ADC0_AIN2>/1V8 |
ADC0 |
1.8V |
|
C5 |
F20 |
F20/<ADC0_AIN1>/1V8 |
ADC0 |
1.8V |
|
C7 |
G20 |
G20/<ADC0_AIN0>/1V8 |
ADC0 |
1.8V |
|
C9 |
- |
GND |
GND |
GND |
|
C11 |
E17 |
E17/<PORz_OUT>/PD/3V3 |
Reset Output |
3.3V |
|
C13 |
A20 |
A20/<MCU_SAFETY_ERRORn>/1V8 |
MCU Safety Error Output |
1.8V |
|
C15 |
C19 |
C19/<EXTINTn/GPIO1_70>/3V3 |
GPIO |
3.3V |
|
C17 |
- |
<POR_IN>/PU/3V3 |
Reset Input |
3.3V |
|
C19 |
D18 |
D18/<ECAP0_IN_APWM_OUT/SYNC0_OUT/CPTS0_RFT_CLK/CP_GEMAC_CPTS0_RFT_CLK/SPI4_CS3/GPIO1_68>/3V3 |
CPSW CPTS |
3.3V |
|
C21 |
B18 |
B18/<I2C0_SDA/UART6_RTSn/GPIO1_65>/3V3 |
I2C0 |
3.3V |
|
C23 |
A18 |
A18/<I2C0_SCL/UART6_CTSn/GPIO1_64>/3V3 |
I2C0 |
3.3V |
|
C25 |
A17 |
A17/<MCAN0_TX/UART4_RXD/TIMER_IO2/SYNC2_OUT/SPI4_CS1/GPIO1_60/EQEP2_I/UART0_DTRn>/3V3 |
MCAN0/UART4 |
3.3V |
|
C27 |
B17 |
B17/<MCAN0_RX/UART4_TXD/TIMER_IO3/SYNC3_OUT/SPI4_CS2/GPIO1_61/EQEP2_S/UART0_RIn>/3V3 |
MCAN0/UART4 |
3.3V |
|
C29 |
E14 |
E14/<UART1_TXD/SPI2_CLK/CP_GEMAC_CPTS0_HW1TSPUSH/GPIO1_57/EQEP1_B>/3V3 |
UART1 |
3.3V |
|
C31 |
E15 |
E15/<UART1_RXD/SPI2_CS0/CP_GEMAC_CPTS0_TS_COMP/GPIO1_56/EQEP1_A>/3V3 |
UART1 |
3.3V |
|
C33 |
C16 |
C16/<UART0_TXD/SPI2_D1/GPIO1_53/EQEP0_B>/3V3 |
UART0 |
3.3V |
|
C35 |
D15 |
D15/<UART0_RXD/SPI2_D0/GPIO1_52/EQEP0_A>/3V3 |
UART0 |
3.3V |
|
C37 |
D14 |
D14/<SPI1_CS1/CPTS0_TS_SYNC/I2C2_SDA/PRG1_IEP0_EDIO_OUTVALID/UART6_TXD/ADC_EXT_TRIGGER1/GPIO1_48/TIMER_IO11>/3V3 |
UART6 |
3.3V |
|
C39 |
B14 |
B14/<SPI1_CS0/EHRPWM6_A/GPIO1_47>/3V3 |
GPIO |
3.3V |
|
C41 |
A14 |
A14/<SPI0_D1/GPIO1_46>/3V3 |
GPIO |
3.3V |
|
C43 |
A13 |
A13/<SPI0_D0/GPIO1_45>/3V3 |
GPIO |
3.3V |
|
C45 |
D13 |
D13/<SPI0_CLK/GPIO1_44>/3V3 |
GPIO |
3.3V |
|
C47 |
A12 |
A12/<TDO>/3V3 |
JTAG |
3.3V |
|
C49 |
C11 |
C11/<TDI>/3V3 |
JTAG |
3.3V |
|
C51 |
B11 |
B11/<TCK>/3V3 |
JTAG |
3.3V |
|
C53 |
A10 |
A10/<MCU_I2C0_SDA/MCU_GPIO0_19>/3V3 |
MCU GPIO |
3.3V |
|
C55 |
E9 |
E9/<MCU_I2C0_SCL/MCU_GPIO0_18>/3V3 |
MCU GPIO |
3.3V |
|
C57 |
E8 |
E8/<MCU_UART0_RTSn/MCU_TIMER_IO1/MCU_SPI1_CS2/MCU_GPIO0_0>/3V3 |
MCU GPIO |
3.3V |
|
C59 |
D8 |
D8/<MCU_UART0_CTSn/MCU_TIMER_IO0/MCU_SPI0_CS2/MCU_GPIO0_1>/3V3 |
MCU GPIO |
3.3V |
|
C2 |
E20 |
E20/<ADC0_AIN7>/1V8 |
ADC0 |
1.8V |
|
C4 |
F19 |
F19/<ADC0_AIN6>/1V8 |
ADC0 |
1.8V |
|
C6 |
F21 |
F21/<ADC0_AIN5>/1V8 |
ADC0 |
1.8V |
|
C8 |
G21 |
G21/<ADC0_AIN4>/1V8 |
ADC0 |
1.8V |
|
C10 |
F16 |
F16/<RESETSTATz>/PD/3V3 |
Reset Status Output |
3.3V |
|
C12 |
E18 |
E18/<RESET_REQz>/PU/3V3 |
SoC Warm Reset |
3.3V |
|
C14 |
B13 |
B13/<MCU_RESETSTATz/MCU_GPIO0_22>/3V3 |
MCU_GPIO |
3.3V |
|
C16 |
B12 |
B12/<MCU_RESETz>/PU/3V3 |
MCU Warm Reset |
3.3V |
|
C18 |
A19 |
A19/<EXT_REFCLK1/SYNC1_OUT/SPI2_CS3/CLKOUT0/GPIO1_69>/3V3 |
GPIO |
3.3V |
|
C20 |
B19 |
B19/<I2C1_SDA/CPTS0_HW2TSPUSH/TIMER_IO1/SPI2_CS2/GPIO1_67>/3V3 |
GPIO |
3.3V |
|
C22 |
C18 |
C18/<I2C1_SCL/CPTS0_HW1TSPUSH/TIMER_IO0/SPI2_CS1/GPIO1_66>/3V3 |
GPIO |
3.3V |
|
C24 |
C17 |
C17/<MCAN1_TX/I2C3_SCL/ECAP1_IN_APWM_OUT/SYSCLKOUT0/TIMER_IO4/UART5_RXD/EHRPWM_SOCA/GPIO1_62/EQEP2_A/UART0_DCDn>/3V3 |
MCAN1/UART5 |
3.3V |
|
C26 |
D17 |
D17/<MCAN1_RX/I2C3_SDA/ECAP2_IN_APWM_OUT/OBSCLK0/TIMER_IO5/UART5_TXD/EHRPWM_SOCB/GPIO1_63/EQEP2_B/UART0_DSRn/OBSCLK0>/3V3 |
MCAN1/UART5 |
3.3V |
|
C28 |
E16 |
E16/<UART1_RTSn/SPI1_CS3/UART3_TXD/CP_GEMAC_CPTS0_HW2TSPUSH/SPI4_CS0/GPIO1_59/EQEP1_I>/3V3 |
UART3 |
3.3V |
|
C30 |
D16 |
D16/<UART1_CTSn/SPI1_CS2/ADC_EXT_TRIGGER1/PCIE0_CLKREQn/UART3_RXD/CP_GEMAC_CPTS0_TS_SYNC/SPI4_D1/GPIO1_58/EQEP1_S>/3V3 |
UART3 |
3.3V |
|
C32 |
A16 |
A16/<UART0_RTSn/SPI0_CS3/UART2_TXD/TIMER_IO7/SPI4_D0/GPIO1_55/EQEP0_I>/3V3 |
UART2 |
3.3V |
|
C34 |
B16 |
B16/<UART0_CTSn/SPI0_CS2/ADC_EXT_TRIGGER0/UART2_RXD/TIMER_IO6/SPI4_CLK/GPIO1_54/EQEP0_S/CP_GEMAC_CPTS0_TS_SYNC>/3V3 |
UART2 |
3.3V |
|
C36 |
C13 |
C13/<SPI0_CS1/CPTS0_TS_COMP/I2C2_SCL/TIMER_IO10/PRG0_IEP0_EDIO_OUTVALID/UART6_RXD/ADC_EXT_TRIGGER0/GPIO1_43>/3V3 |
UART6 |
3.3V |
|
C38 |
D12 |
D12/<SPI0_CS0/GPIO1_42>/3V3 |
GPIO |
3.3V |
|
C40 |
A15 |
A15/<SPI1_D1/EHRPWM6_B/GPIO1_51>/3V3 |
GPIO |
3.3V |
|
C42 |
B15 |
B15/<SPI1_D0/EHRPWM6_SYNCO/GPIO1_50>/3V3 |
GPIO |
3.3V |
|
C44 |
C14 |
C14/<SPI1_CLK/EHRPWM6_SYNCI/GPIO1_49>/3V3 |
GPIO |
3.3V |
|
C46 |
D11 |
D11/<TRSTn>/3V3 |
JTAG |
3.3V |
|
C48 |
C12 |
C12/<TMS>/3V3 |
JTAG |
3.3V |
|
C50 |
E10 |
E10/<EMU1/MCU_OBSCLK0>/3V3 |
JTAG |
3.3V |
|
C52 |
D10 |
D10/<EMU0>/3V3 |
JTAG |
3.3V |
|
C54 |
B10 |
B10/<MCU_I2C1_SDA/MCU_GPIO0_21>/3V3 |
MCU GPIO |
3.3V |
|
C56 |
A11 |
A11/<MCU_I2C1_SCL/MCU_GPIO0_20>/3V3 |
MCU GPIO |
3.3V |
|
C58 |
B9 |
B9/<MCU_UART1_RTSn/MCU_TIMER_IO3/MCU_SPI1_CS3/MCU_GPIO0_17>/3V3 |
MCU GPIO |
3.3V |
|
C60 |
B8 |
B8/<MCU_UART1_CTSn/MCU_TIMER_IO2/MCU_SPI0_CS3/MCU_GPIO0_16>/3V3 |
MCU GPIO |
3.3V |
2.2.4 CON0D
表 6
|
B2B引脚号 |
芯片引脚号 |
引脚信号名称 |
引脚功能 |
参考电平 |
|
D1 |
- |
VDD_3V3_SOM_OUT |
3.3V Power Output |
3.3V |
|
D3 |
- |
PWR_DOWN/PU/5V |
SOM Power Good Output |
5V |
|
D5 |
- |
VDD_1V8_SOM_OUT |
1.8V Power Output |
1.8V |
|
D7 |
- |
VDDSHV_SD_IO |
Micro SD Power Output |
1.8V/3.3V |
|
D9 |
V19 |
V19/<GPMC0_AD8/FSI_RX0_CLK/UART2_CTSn/EHRPWM2_A/TRC_DATA6/GPIO0_23/PRG0_PWM2_A2/BOOTMODE08>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D11 |
U18 |
U18/<GPMC0_AD4/FSI_RX3_D0/UART3_TXD/EHRPWM0_B/TRC_DATA2/GPIO0_82/PRG0_PWM2_B0/BOOTMODE04>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D13 |
W20 |
W20/<GPMC0_AD11/FSI_RX1_CLK/UART5_CTSn/EQEP1_A/TRC_DATA9/GPIO0_26/EHRPWM7_A/BOOTMODE11>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D15 |
Y21 |
Y21/<GPMC0_AD14/FSI_TX0_D0/UART6_RXD/EHRPWM3_B/TRC_DATA12/GPIO0_29/PRG0_PWM3_B0/BOOTMODE14>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D17 |
U20 |
U20/<GPMC0_AD3/FSI_RX3_CLK/UART3_RXD/EHRPWM0_A/TRC_DATA1/GPIO0_18/PRG0_PWM2_A0/BOOTMODE03>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D19 |
V21 |
V21/<GPMC0_AD7/FSI_RX4_D1/UART4_TXD/EHRPWM_TZn_IN1/EHRPWM8_A/TRC_DATA5/GPIO0_22/PRG1_PWM2_A2/BOOTMODE07>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D21 |
N16 |
N16/<GPMC0_WPn/FSI_TX1_CLK/EQEP0_A/GPMC0_A22/TRC_DATA22/GPIO0_39/EHRPWM6_A/PRG1_PWM2_A0>/3V3 |
GPMC |
3.3V |
|
D23 |
T18 |
T18/<GPMC0_AD2/FSI_RX2_D1/UART2_RTSn/EHRPWM_TZn_IN0/TRC_DATA0/GPIO0_17/PRG0_PWM2_TZ_IN/BOOTMODE02>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D25 |
R16 |
R16/<GPMC0_AD10/FSI_RX0_D1/UART4_CTSn/EHRPWM_TZn_IN2/EHRPWM8_B/TRC_DATA8/GPIO0_25/PRG1_PWM2_B2/BOOTMODE10>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D27 |
P16 |
P16/<GPMC0_ADVn_ALE/FSI_RX5_CLK/UART5_RXD/EHRPWM_TZn_IN3/TRC_DATA15/GPIO0_32/PRG0_PWM3_TZ_IN>/3V3 |
GPMC |
3.3V |
|
D29 |
Y18 |
Y18/<GPMC0_WAIT1/FSI_TX1_D1/EHRPWM_TZn_IN5/GPMC0_A21/EHRPWM7_B/TRC_DATA21/GPIO0_38/PRG1_PWM2_B1>/3V3 |
GPMC |
3.3V |
|
D31 |
V18 |
V18/<GPMC0_AD13/FSI_RX1_D1/EHRPWM3_A/TRC_DATA11/GPIO0_28/PRG0_PWM3_A0/BOOTMODE13>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D33 |
W19 |
W19/<GPMC0_WAIT0/EHRPWM5_B/TRC_DATA20/GPIO0_37/PRG0_PWM3_B2>/3V3 |
GPMC |
3.3V |
|
D35 |
Y20 |
Y20/<GPMC0_AD15/FSI_TX0_D1/UART6_TXD/EHRPWM3_SYNCI/TRC_DATA13/GPIO0_30/BOOTMODE15>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D37 |
T20 |
T20/<GPMC0_AD0/FSI_RX2_CLK/UART2_RXD/EHRPWM0_SYNCI/TRC_CLK/GPIO0_15/BOOTMODE00>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D39 |
- |
GND |
GND |
GND |
|
D41 |
N19 |
N19/<OSPI0_DQS/GPIO0_2>/1V8 |
GPIO |
1.8V |
|
D43 |
P20 |
P20/<OSPI0_D5/GPIO0_8>/1V8 |
GPIO |
1.8V |
|
D45 |
P21 |
P21/<OSPI0_D4/GPIO0_7>/1V8 |
GPIO |
1.8V |
|
D47 |
M19 |
M19/<OSPI0_D0/GPIO0_3>/1V8 |
OSPI0 |
1.8V |
|
D49 |
M20 |
M20/<OSPI0_D2/GPIO0_5>/1V8 |
OSPI0 |
1.8V |
|
D51 |
N20 |
N20/<OSPI0_CLK/GPIO0_0>/1V8 |
OSPI0 |
1.8V |
|
D53 |
K18 |
K18/<MMC1_DAT3/CP_GEMAC_CPTS0_TS_COMP/TIMER_IO0/UART2_RXD/GPIO1_71>/ADJ |
MMC1 |
1.8V/3.3V |
|
D55 |
K19 |
K19/<MMC1_DAT2/CP_GEMAC_CPTS0_TS_SYNC/TIMER_IO1/UART2_TXD/GPIO1_72>/ADJ |
MMC1 |
1.8V/3.3V |
|
D57 |
L21 |
L21/<MMC1_DAT1/CP_GEMAC_CPTS0_HW1TSPUSH/TIMER_IO2/UART3_RXD/GPIO1_73>/ADJ |
MMC1 |
1.8V/3.3V |
|
D59 |
K21 |
K21/<MMC1_DAT0/CP_GEMAC_CPTS0_HW2TSPUSH/TIMER_IO3/UART3_TXD/GPIO1_74>/ADJ |
MMC1 |
1.8V/3.3V |
|
D2 |
- |
VDD_5V_SOM |
5V Power Input |
5V |
|
D4 |
- |
VDD_5V_SOM |
5V Power Input |
5V |
|
D6 |
- |
GND |
GND |
GND |
|
D8 |
- |
GND |
GND |
GND |
|
D10 |
W21 |
W21/<GPMC0_AD12/FSI_RX1_D0/UART6_CTSn/EQEP1_B/TRC_DATA10/GPIO0_27/EHRPWM7_B/BOOTMODE12>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D12 |
V20 |
V20/<GPMC0_AD6/FSI_RX4_D0/UART4_RXD/EHRPWM1_B/TRC_DATA4/GPIO0_21/PRG0_PWM2_B1/BOOTMODE06>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D14 |
T19 |
T19/<GPMC0_BE1n/FSI_TX0_CLK/EHRPWM5_A/TRC_DATA19/GPIO0_36/PRG0_PWM3_A2>/3V3 |
GPMC |
3.3V |
|
D16 |
U19 |
U19/<GPMC0_AD5/FSI_RX3_D1/UART3_RTSn/EHRPWM1_A/TRC_DATA3/GPIO0_83/PRG0_PWM2_A1/BOOTMODE05>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D18 |
U21 |
U21/<GPMC0_AD1/FSI_RX2_D0/UART2_TXD/EHRPWM0_SYNCO/TRC_CTL/GPIO0_16/PRG0_PWM2_TZ_OUT/BOOTMODE01>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D20 |
T21 |
T21/<GPMC0_WEn/FSI_RX5_D1/UART5_RTSn/EHRPWM4_B/TRC_DATA17/GPIO0_34/PRG0_PWM3_B1>/3V3 |
GPMC |
3.3V |
|
D22 |
R21 |
R21/<GPMC0_CSn3/I2C2_SDA/TIMER_IO9/EQEP1_I/GPMC0_A20/EHRPWM_TZn_IN5/GPIO0_44>/3V3 |
GPMC |
3.3V |
|
D24 |
T17 |
T17/<GPMC0_AD9/FSI_RX0_D0/UART3_CTSn/EHRPWM2_B/TRC_DATA7/GPIO0_24/PRG0_PWM2_B2/BOOTMODE09>/3V3 |
GPMC/BOOTMODE |
3.3V |
|
D26 |
R19 |
R19/<GPMC0_CSn0/EQEP0_S/TRC_DATA23/GPIO0_41/EHRPWM6_SYNCI>/3V3 |
GPMC |
3.3V |
|
D28 |
R20 |
R20/<GPMC0_CSn1/EQEP0_I/EHRPWM_TZn_IN2/GPIO0_42/EHRPWM6_SYNCO/PRG1_PWM2_TZ_OUT>/3V3 |
GPMC |
3.3V |
|
D30 |
R18 |
R18/<GPMC0_OEn_REn/FSI_RX5_D0/UART5_TXD/EHRPWM4_A/TRC_DATA16/GPIO0_33/PRG0_PWM3_A1>/3V3 |
GPMC |
3.3V |
|
D32 |
P19 |
P19/<GPMC0_CSn2/I2C2_SCL/TIMER_IO8/EQEP1_S/EHRPWM_TZn_IN4/GPIO0_43/PRG1_PWM2_TZ_IN>/3V3 |
GPMC |
3.3V |
|
D34 |
P17 |
P17/<GPMC0_BE0n_CLE/FSI_TX1_D0/UART6_RTSn/EHRPWM_TZn_IN4/EHRPWM7_A/TRC_DATA18/GPIO0_35/PRG1_PWM2_A1>/3V3 |
GPMC |
3.3V |
|
D36 |
R17 |
R17/<GPMC0_CLK/FSI_RX4_CLK/UART4_RTSn/EHRPWM3_SYNCO/GPMC0_FCLK_MUX/TRC_DATA14/GPIO0_31/PRG0_PWM3_TZ_OUT>/3V3 |
GPMC |
3.3V |
|
D38 |
N17 |
N17/<GPMC0_DIR/EQEP0_B/GPIO0_40/EHRPWM6_B/PRG1_PWM2_B0>/3V3 |
GPMC |
3.3V |
|
D40 |
N21 |
N21/<OSPI0_LBCLKO/GPIO0_1>/1V8 |
GPIO |
1.8V |
|
D42 |
M17 |
M17/<OSPI0_D7/GPIO0_10>/1V8 |
GPIO |
1.8V |
|
D44 |
M18 |
M18/<OSPI0_D1/GPIO0_4>/1V8 |
OSPI0 |
1.8V |
|
D46 |
M21 |
M21/<OSPI0_D3/GPIO0_6>/1V8 |
OSPI0 |
1.8V |
|
D48 |
N18 |
N18/<OSPI0_D6/GPIO0_9>/1V8 |
GPIO |
1.8V |
|
D50 |
L19 |
L19/<OSPI0_CSn0/GPIO0_11>/1V8 |
OSPI0 |
1.8V |
|
D52 |
L18 |
L18/<OSPI0_CSn1/GPIO0_12>/1V8 |
GPIO |
1.8V |
|
D54 |
C20 |
C20/<MMC1_SDWP/UART3_RTSn/TIMER_IO7/UART5_TXD/GPIO1_78>/3V3 |
GPIO |
3.3V |
|
D56 |
D19 |
D19/<MMC1_SDCD/UART3_CTSn/TIMER_IO6/UART5_RXD/GPIO1_77>/3V3 |
MMC1 |
3.3V |
|
D58 |
J19 |
J19/<MMC1_CMD/UART2_RTSn/TIMER_IO5/UART4_TXD/GPIO1_76>/ADJ |
MMC1 |
1.8V/3.3V |
|
D60 |
L20 |
L20/<MMC1_CLK/UART2_CTSn/TIMER_IO4/UART4_RXD/GPIO1_75>/ADJ |
MMC1 |
1.8V/3.3V |
2.3 内部引脚使用说明
“B2B引脚号”为"-"表示核心板该内部引脚未引出至B2B连接器，否则代表核心板内部已使用且同时引出至B2B连接器。
表 7
|
B2B引脚号 |
芯片引脚号 |
引脚信号名称 |
引脚功能 |
参考电平 |
|
- |
C21 |
C21/MCU_OSC0_XI/1V8 |
OSC(Y1) |
1.8V |
|
C17 |
- |
<POR_IN>/PU/3V3 |
Reset Input |
3.3V |
|
D3 |
- |
PWR_DOWN/PU/5V |
SOM Power Good Output |
5V |
|
C10 |
F16 |
F16/<RESETSTATz>/PD/3V3 |
Reset Status Output |
3.3V |
|
- |
K17 |
GPIO0_13 |
SOM-TL64x LED1 |
3.3V |
|
- |
L17 |
GPIO0_14 |
SOM-TL64x LED2 |
3.3V |
|
- |
G18 |
G18/MMC0_CLK/1V8 |
eMMC |
1.8V |
|
- |
J21 |
J21/MMC0_CMD/1V8 |
eMMC |
1.8V |
|
- |
K20 |
K20/MMC0_DAT0/1V8 |
eMMC |
1.8V |
|
- |
J20 |
J20/MMC0_DAT1/1V8 |
eMMC |
1.8V |
|
- |
J18 |
J18/MMC0_DAT2/1V8 |
eMMC |
1.8V |
|
- |
J17 |
J17/MMC0_DAT3/1V8 |
eMMC |
1.8V |
|
- |
H17 |
H17/MMC0_DAT4/1V8 |
eMMC |
1.8V |
|
- |
H19 |
H19/MMC0_DAT5/1V8 |
eMMC |
1.8V |
|
- |
H18 |
H18/MMC0_DAT6/1V8 |
eMMC |
1.8V |
|
- |
G17 |
G17/MMC0_DAT7/1V8 |
eMMC |
1.8V |
2.4 内部引脚配置说明
下表为核心板内部已作上下拉配置引脚的说明。表中未说明的引脚，核心板内部默认未作上下拉配置，直接引出至B2B连接器。
表 8
|
B2B引脚号 |
芯片引脚号 |
引脚信号名称 |
上下拉配置 |
上下拉电阻值 |
|
C17 |
- |
<POR_IN>/PU/3V3 |
上拉3.3V |
10K |
|
C12 |
E18 |
E18/<RESET_REQz>/PU/3V3 |
上拉3.3V |
100K |
|
C16 |
B12 |
B12/<MCU_RESETz>/PU/3V3 |
上拉3.3V |
100K |
|
C11 |
E17 |
E17/<PORz_OUT>/PD/3V3 |
下拉GND |
10K |
|
C10 |
F16 |
F16/<RESETSTATz>/PD/3V3 |
下拉GND |
10K |
|
D3 |
- |
PWR_DOWN/PU/5V |
上拉5V |
100K |
2.5 功能引脚信号走线长度与阻抗说明
下表为核心板RGMII、PCIe、USB、GPMC、MMC1、OSPI0等功能引脚信号PCB走线长度与阻抗说明。
表 9
|
芯片引脚号 |
引脚信号名称 |
引脚功能 |
走线长度/mil |
阻抗说明 |
|
Y7 |
Y7/<PRG1_PRU0_GPO0/PRG1_PRU0_GPI0/PRG1_RGMII1_RD0/PRG1_PWM3_A0/GPIO0_45/GPMC0_AD16>/3V3 |
PRG1_RGMII1 |
1313.57 |
单端50ohm |
|
W8 |
W8/<PRG1_PRU0_GPO2/PRG1_PRU0_GPI2/PRG1_RGMII1_RD2/PRG1_PWM2_A0/GPIO0_47/GPMC0_AD18>/3V3 |
PRG1_RGMII1 |
1392.88 |
单端50ohm |
|
Y8 |
Y8/<PRG1_PRU0_GPO4/PRG1_PRU0_GPI4/PRG1_RGMII1_RX_CTL/PRG1_PWM2_B0/GPIO0_49/GPMC0_AD20>/3V3 |
PRG1_RGMII1 |
1320.48 |
单端50ohm |
|
AA7 |
AA7/<PRG1_PRU0_GPO6/PRG1_PRU0_GPI6/PRG1_RGMII1_RXC/PRG1_PWM3_A1/GPIO0_51/GPMC0_AD22>/3V3 |
PRG1_RGMII1 |
1313.47 |
单端50ohm |
|
U14 |
U14/<PRG1_PRU0_GPO10/PRG1_PRU0_GPI10/PRG1_UART0_RTSn/PRG1_PWM2_B1/RGMII1_TXC/RMII_REF_CLK/PRG1_IEP0_EDIO_DATA_IN_OUT29/GPIO0_55/GPMC0_AD26>/3V3 |
RGMII1 |
1399.96 |
单端50ohm |
|
U9 |
U9/<PRG1_PRU0_GPO12/PRG1_PRU0_GPI12/PRG1_RGMII1_TD1/PRG1_PWM0_A0/GPIO0_57/GPMC0_AD28>/3V3 |
PRG1_RGMII1 |
1388.96 |
单端50ohm |
|
AA9 |
AA9/<PRG1_PRU0_GPO14/PRG1_PRU0_GPI14/PRG1_RGMII1_TD3/PRG1_PWM0_A1/GPIO0_59/GPMC0_AD30>/3V3 |
PRG1_RGMII1 |
1303.88 |
单端50ohm |
|
V9 |
V9/<PRG1_PRU0_GPO16/PRG1_PRU0_GPI16/PRG1_RGMII1_TXC/PRG1_PWM0_A2/GPIO0_61/GPMC0_BE2n>/3V3 |
PRG1_RGMII1 |
1304.61 |
单端50ohm |
|
W11 |
W11/<PRG1_PRU1_GPO0/PRG1_PRU1_GPI0/PRG1_RGMII2_RD0/RGMII2_RD0/RMII2_RXD0/GPIO0_65/GPMC0_A3>/3V3 |
RGMII2 |
1360.53 |
单端50ohm |
|
AA12 |
AA12/<PRG1_PRU1_GPO2/PRG1_PRU1_GPI2/PRG1_RGMII2_RD2/PRG1_PWM2_A2/RGMII2_RD2/GPIO0_67/GPMC0_A5>/3V3 |
RGMII2 |
1356.41 |
单端50ohm |
|
W12 |
W12/<PRG1_PRU1_GPO4/PRG1_PRU1_GPI4/PRG1_RGMII2_RX_CTL/PRG1_PWM2_B2/RGMII2_RX_CTL/RMII2_RX_ER/GPIO0_69/GPMC0_A7>/3V3 |
RGMII2 |
1359.39 |
单端50ohm |
|
U11 |
U11/<PRG1_PRU1_GPO6/PRG1_PRU1_GPI6/PRG1_RGMII2_RXC/RGMII2_RXC/GPIO0_71/GPMC0_A9>/3V3 |
RGMII2 |
1380.2 |
单端50ohm |
|
W14 |
W14/<PRG1_PRU1_GPO10/PRG1_PRU1_GPI10/PRG1_UART0_TXD/PRG1_PWM2_TZ_IN/RGMII1_TD2/RMII1_TXD0/PRG1_IEP0_EDIO_DATA_IN_OUT31/GPIO0_75/GPMC0_A13>/3V3 |
RGMII1 |
1402.92 |
单端50ohm |
|
V10 |
V10/<PRG1_PRU1_GPO12/PRG1_PRU1_GPI12/PRG1_RGMII2_TD1/PRG1_PWM1_A0/RGMII2_TD1/RMII2_TXD1/GPIO0_77/GPMC0_A15>/3V3 |
RGMII2 |
1354.78 |
单端50ohm |
|
AA11 |
AA11/<PRG1_PRU1_GPO14/PRG1_PRU1_GPI14/PRG1_RGMII2_TD3/PRG1_PWM1_A1/RGMII2_TD3/GPIO0_79/GPMC0_A17>/3V3 |
RGMII2 |
1376.83 |
单端50ohm |
|
Y10 |
Y10/<PRG1_PRU1_GPO16/PRG1_PRU1_GPI16/PRG1_RGMII2_TXC/PRG1_PWM1_A2/RGMII2_TXC/GPIO0_81/GPMC0_A19>/3V3 |
RGMII2 |
1354.14 |
单端50ohm |
|
U8 |
U8/<PRG1_PRU0_GPO1/PRG1_PRU0_GPI1/PRG1_RGMII1_RD1/PRG1_PWM3_B0/GPIO0_46/GPMC0_AD17>/3V3 |
PRG1_RGMII1 |
1322.48 |
单端50ohm |
|
V8 |
V8/<PRG1_PRU0_GPO3/PRG1_PRU0_GPI3/PRG1_RGMII1_RD3/PRG1_PWM3_A2/GPIO0_48/GPMC0_AD19>/3V3 |
PRG1_RGMII1 |
1323.48 |
单端50ohm |
|
U15 |
U15/<PRG1_PRU0_GPO9/PRG1_PRU0_GPI9/PRG1_UART0_CTSn/PRG1_PWM3_TZ_IN/RGMII1_TX_CTL/RMII1_RX_ER/PRG1_IEP0_EDIO_DATA_IN_OUT28/GPIO0_54/GPMC0_AD25>/3V3 |
RGMII1 |
1330.78 |
单端50ohm |
|
AA8 |
AA8/<PRG1_PRU0_GPO11/PRG1_PRU0_GPI11/PRG1_RGMII1_TD0/PRG1_PWM3_TZ_OUT/GPIO0_56/GPMC0_AD27>/3V3 |
PRG1_RGMII1 |
1310.31 |
单端50ohm |
|
W9 |
W9/<PRG1_PRU0_GPO13/PRG1_PRU0_GPI13/PRG1_RGMII1_TD2/PRG1_PWM0_B0/GPIO0_58/GPMC0_AD29>/3V3 |
PRG1_RGMII1 |
1306.7 |
单端50ohm |
|
Y9 |
Y9/<PRG1_PRU0_GPO15/PRG1_PRU0_GPI15/PRG1_RGMII1_TX_CTL/PRG1_PWM0_B1/GPIO0_60/GPMC0_AD31>/3V3 |
PRG1_RGMII1 |
1304.61 |
单端50ohm |
|
V11 |
V11/<PRG1_PRU1_GPO1/PRG1_PRU1_GPI1/PRG1_RGMII2_RD1/RGMII2_RD1/RMII2_RXD1/GPIO0_66/GPMC0_A4>/3V3 |
RGMII2 |
1374.77 |
单端50ohm |
|
Y12 |
Y12/<PRG1_PRU1_GPO3/PRG1_PRU1_GPI3/PRG1_RGMII2_RD3/RGMII2_RD3/GPIO0_68/GPMC0_A6>/3V3 |
RGMII2 |
1356.89 |
单端50ohm |
|
V15 |
V15/<PRG1_PRU1_GPO7/PRG1_PRU1_GPI7/PRG1_IEP1_EDC_LATCH_IN1/RGMII1_TD0/RMII1_RXD0/SPI3_CS3/GPIO0_72/GPMC0_A10>/3V3 |
RGMII1 |
1417.86 |
单端50ohm |
|
V14 |
V14/<PRG1_PRU1_GPO9/PRG1_PRU1_GPI9/PRG1_UART0_RXD/RGMII1_TD1/RMII1_RXD1/PRG1_IEP0_EDIO_DATA_IN_OUT30/GPIO0_74/GPMC0_A12>/3V3 |
RGMII1 |
1375.94 |
单端50ohm |
|
AA10 |
AA10/<PRG1_PRU1_GPO11/PRG1_PRU1_GPI11/PRG1_RGMII2_TD0/RGMII2_TD0/RMII2_TXD0/GPIO0_76/GPMC0_A14>/3V3 |
RGMII2 |
1355.78 |
单端50ohm |
|
U10 |
U10/<PRG1_PRU1_GPO13/PRG1_PRU1_GPI13/PRG1_RGMII2_TD2/PRG1_PWM1_B0/RGMII2_TD2/RMII2_CRS_DV/GPIO0_78/GPMC0_A16>/3V3 |
RGMII2 |
1358.96 |
单端50ohm |
|
Y11 |
Y11/<PRG1_PRU1_GPO15/PRG1_PRU1_GPI15/PRG1_RGMII2_TX_CTL/PRG1_PWM1_B1/RGMII2_TX_CTL/RMII2_TX_EN/GPIO0_80/GPMC0_A18>/3V3 |
RGMII2 |
1356.71 |
单端50ohm |
|
AA14 |
AA14/<PRG1_PRU1_GPO17/PRG1_PRU1_GPI17/PRG1_IEP1_EDC_SYNC_OUT1/PRG1_PWM1_B2/RGMII1_TD3/RMII1_TXD1/GPIO0_19/GPMC0_BE3n/PRG1_ECAP0_SYNC_OUT>/3V3 |
RGMII1 |
1438.39 |
单端50ohm |
|
Y1 |
Y1/<PRG0_PRU0_GPO0/PRG0_PRU0_GPI0/PRG0_RGMII1_RD0/PRG0_PWM3_A0/GPIO1_0/UART2_CTSn>/3V3 |
PRG0 RGMII1 |
1149.3 |
单端50ohm |
|
U2 |
U2/<PRG0_PRU0_GPO2/PRG0_PRU0_GPI2/PRG0_RGMII1_RD2/PRG0_PWM2_A0/GPIO1_2/GPMC0_A0/UART2_RTSn>/3V3 |
PRG0 RGMII1 |
1115.39 |
单端50ohm |
|
AA2 |
AA2/<PRG0_PRU0_GPO4/PRG0_PRU0_GPI4/PRG0_RGMII1_RX_CTL/PRG0_PWM2_B0/GPIO1_4/GPMC0_A1/UART3_TXD>/3V3 |
PRG0 RGMII1 |
1163.79 |
单端50ohm |
|
T3 |
T3/<PRG0_PRU0_GPO6/PRG0_PRU0_GPI6/PRG0_RGMII1_RXC/PRG0_PWM3_A1/GPIO1_6/UART4_CTSn>/3V3 |
PRG0 RGMII1 |
1129.11 |
单端50ohm |
|
AA5 |
AA5/<PRG0_PRU0_GPO10/PRG0_PRU0_GPI10/PRG0_UART0_RTSn/PRG0_PWM2_B1/RGMII1_RXC/RMII_REF_CLK/PRG0_IEP0_EDIO_DATA_IN_OUT29/GPIO1_10/UART3_RXD>/3V3 |
RGMII1 |
1203.03 |
单端50ohm |
|
AA3 |
AA3/<PRG0_PRU0_GPO12/PRG0_PRU0_GPI12/PRG0_RGMII1_TD1/PRG0_PWM0_A0/GPIO1_12/GPMC0_A14>/3V3 |
PRG0 RGMII1 |
1132.31 |
单端50ohm |
|
V4 |
V4/<PRG0_PRU0_GPO14/PRG0_PRU0_GPI14/PRG0_RGMII1_TD3/PRG0_PWM0_A1/SPI3_D1/GPIO1_14/GPMC0_A3>/3V3 |
PRG0 RGMII1 |
1186.69 |
单端50ohm |
|
U4 |
U4/<PRG0_PRU0_GPO16/PRG0_PRU0_GPI16/PRG0_RGMII1_TXC/PRG0_PWM0_A2/SPI3_CLK/GPIO1_16/GPMC0_A4>/3V3 |
PRG0 RGMII1 |
1116.46 |
单端50ohm |
|
Y2 |
Y2/<PRG0_PRU1_GPO0/PRG0_PRU1_GPI0/PRG0_RGMII2_RD0/GPIO1_20/EQEP0_A/UART5_CTSn>/3V3 |
PRG0 RGMII2 |
1590.36 |
单端50ohm |
|
V3 |
V3/<PRG0_PRU1_GPO2/PRG0_PRU1_GPI2/PRG0_RGMII2_RD2/PRG0_PWM2_A2/GPIO1_22/EQEP0_S/UART5_RTSn>/3V3 |
PRG0 RGMII2 |
1550.18 |
单端50ohm |
|
W3 |
W3/<PRG0_PRU1_GPO4/PRG0_PRU1_GPI4/PRG0_RGMII2_RX_CTL/PRG0_PWM2_B2/GPIO1_24/EQEP1_B/UART6_TXD>/3V3 |
PRG0 RGMII2 |
1619.78 |
单端50ohm |
|
R5 |
R5/<PRG0_PRU1_GPO6/PRG0_PRU1_GPI6/PRG0_RGMII2_RXC/GPIO1_26/EQEP2_A/GPMC0_A19/UART4_CTSn>/3V3 |
PRG0 RGMII2 |
1555.11 |
单端50ohm |
|
V6 |
V6/<PRG0_PRU1_GPO10/PRG0_PRU1_GPI10/PRG0_UART0_TXD/PRG0_PWM2_TZ_IN/RGMII1_RD2/RMII1_TXD0/PRG0_IEP0_EDIO_DATA_IN_OUT31/GPIO1_30/EQEP1_I/UART6_RXD>/3V3 |
RGMII1 |
1598.55 |
单端50ohm |
|
Y4 |
Y4/<PRG0_PRU1_GPO12/PRG0_PRU1_GPI12/PRG0_RGMII2_TD1/PRG0_PWM1_A0/GPIO1_32/EQEP2_B/GPMC0_A7/UART4_TXD>/3V3 |
PRG0 RGMII2 |
1553.15 |
单端50ohm |
|
U6 |
U6/<PRG0_PRU1_GPO14/PRG0_PRU1_GPI14/PRG0_RGMII2_TD3/PRG0_PWM1_A1/GPIO1_34/EQEP1_I/GPMC0_A9/UART6_RXD>/3V3 |
PRG0 RGMII2 |
1647.67 |
单端50ohm |
|
AA4 |
AA4/<PRG0_PRU1_GPO16/PRG0_PRU1_GPI16/PRG0_RGMII2_TXC/PRG0_PWM1_A2/GPIO1_36/GPMC0_A11/PRG0_ECAP0_SYNC_OUT>/3V3 |
PRG0 RGMII2 |
1572.26 |
单端50ohm |
|
R4 |
R4/<PRG0_PRU0_GPO1/PRG0_PRU0_GPI1/PRG0_RGMII1_RD1/PRG0_PWM3_B0/GPIO1_1/UART2_TXD>/3V3 |
PRG0 RGMII1 |
1107.36 |
单端50ohm |
|
V2 |
V2/<PRG0_PRU0_GPO3/PRG0_PRU0_GPI3/PRG0_RGMII1_RD3/PRG0_PWM3_A2/GPIO1_3/UART3_CTSn>/3V3 |
PRG0 RGMII1 |
1127.69 |
单端50ohm |
|
W6 |
W6/<PRG0_PRU0_GPO9/PRG0_PRU0_GPI9/PRG0_UART0_CTSn/PRG0_PWM3_TZ_IN/RGMII1_RX_CTL/RMII1_RX_ER/PRG0_IEP0_EDIO_DATA_IN_OUT28/GPIO1_9/UART2_RXD>/3V3 |
RGMII1 |
1150.05 |
单端50ohm |
|
Y3 |
Y3/<PRG0_PRU0_GPO11/PRG0_PRU0_GPI11/PRG0_RGMII1_TD0/PRG0_PWM3_TZ_OUT/GPIO1_11/UART4_RXD>/3V3 |
PRG0 RGMII1 |
1131.14 |
单端50ohm |
|
R6 |
R6/<PRG0_PRU0_GPO13/PRG0_PRU0_GPI13/PRG0_RGMII1_TD2/PRG0_PWM0_B0/SPI3_D0/GPIO1_13/GPMC0_A15>/3V3 |
PRG0 RGMII1 |
1126.75 |
单端50ohm |
|
T5 |
T5/<PRG0_PRU0_GPO15/PRG0_PRU0_GPI15/PRG0_RGMII1_TX_CTL/PRG0_PWM0_B1/SPI3_CS1/GPIO1_15/GPMC0_A16>/3V3 |
PRG0 RGMII1 |
1173.27 |
单端50ohm |
|
W2 |
W2/<PRG0_PRU1_GPO1/PRG0_PRU1_GPI1/PRG0_RGMII2_RD1/GPIO1_21/EQEP0_B/UART5_TXD>/3V3 |
PRG0 RGMII2 |
1554.55 |
单端50ohm |
|
T4 |
T4/<PRG0_PRU1_GPO3/PRG0_PRU1_GPI3/PRG0_RGMII2_RD3/GPIO1_23/EQEP1_A/GPMC0_A18/UART6_CTSn>/3V3 |
PRG0 RGMII2 |
1640.39 |
单端50ohm |
|
W5 |
W5/<PRG0_PRU1_GPO7/PRG0_PRU1_GPI7/PRG0_IEP1_EDC_LATCH_IN1/RGMII1_RD0/RMII1_RXD0/GPIO1_27/EQEP2_B/UART4_TXD>/3V3 |
RGMII1 |
1553.87 |
单端50ohm |
|
Y5 |
Y5/<PRG0_PRU1_GPO9/PRG0_PRU1_GPI9/PRG0_UART0_RXD/RGMII1_RD1/RMII1_RXD1/PRG0_IEP0_EDIO_DATA_IN_OUT30/GPIO1_29/EQEP0_I/UART5_RXD>/3V3 |
RGMII1 |
1575.83 |
单端50ohm |
|
W4 |
W4/<PRG0_PRU1_GPO11/PRG0_PRU1_GPI11/PRG0_RGMII2_TD0/GPIO1_31/EQEP2_I/UART4_RXD>/3V3 |
PRG0 RGMII2 |
1631.64 |
单端50ohm |
|
T6 |
T6/<PRG0_PRU1_GPO13/PRG0_PRU1_GPI13/PRG0_RGMII2_TD2/PRG0_PWM1_B0/GPIO1_33/EQEP0_I/GPMC0_A8/UART5_RXD>/3V3 |
PRG0 RGMII2 |
1553.46 |
单端50ohm |
|
U5 |
U5/<PRG0_PRU1_GPO15/PRG0_PRU1_GPI15/PRG0_RGMII2_TX_CTL/PRG0_PWM1_B1/GPIO1_35/GPMC0_A10/PRG0_ECAP0_IN_APWM_OUT>/3V3 |
PRG0 RGMII2 |
1555.05 |
单端50ohm |
|
V5 |
V5/<PRG0_PRU1_GPO17/PRG0_PRU1_GPI17/PRG0_IEP1_EDC_SYNC_OUT1/PRG0_PWM1_B2/RGMII1_RD3/RMII1_TXD1/GPIO1_37/PRG0_ECAP0_SYNC_OUT/PRG0_ECAP0_SYNC_IN>/3V3 |
RGMII1 |
1580.73 |
单端50ohm |
|
Y16 |
Y16/<SERDES0_RX0_P> |
PCIe |
1013.29 |
差分100ohm |
|
Y15 |
Y15/<SERDES0_RX0_N> |
PCIe |
1012.66 |
差分100ohm |
|
AA17 |
AA17/<SERDES0_TX0_P> |
PCIe |
1037.28 |
差分100ohm |
|
AA16 |
AA16/<SERDES0_TX0_N> |
PCIe |
1036.74 |
差分100ohm |
|
W17 |
W17/<SERDES0_REFCLK0P> |
PCIe |
1134.77 |
差分100ohm |
|
W16 |
W16/<SERDES0_REFCLK0N> |
PCIe |
1133 |
差分100ohm |
|
AA19 |
AA19/<USB0_DP> |
USB |
1135.97 |
差分90ohm |
|
AA20 |
AA20/<USB0_DM> |
USB |
1135.94 |
差分90ohm |
|
V19 |
V19/<GPMC0_AD8/FSI_RX0_CLK/UART2_CTSn/EHRPWM2_A/TRC_DATA6/GPIO0_23/PRG0_PWM2_A2/BOOTMODE08>/3V3 |
GPMC/BOOTMODE |
909.44 |
单端50ohm |
|
U18 |
U18/<GPMC0_AD4/FSI_RX3_D0/UART3_TXD/EHRPWM0_B/TRC_DATA2/GPIO0_82/PRG0_PWM2_B0/BOOTMODE04>/3V3 |
GPMC/BOOTMODE |
892.44 |
单端50ohm |
|
W20 |
W20/<GPMC0_AD11/FSI_RX1_CLK/UART5_CTSn/EQEP1_A/TRC_DATA9/GPIO0_26/EHRPWM7_A/BOOTMODE11>/3V3 |
GPMC/BOOTMODE |
898.29 |
单端50ohm |
|
Y21 |
Y21/<GPMC0_AD14/FSI_TX0_D0/UART6_RXD/EHRPWM3_B/TRC_DATA12/GPIO0_29/PRG0_PWM3_B0/BOOTMODE14>/3V3 |
GPMC/BOOTMODE |
896.62 |
单端50ohm |
|
U20 |
U20/<GPMC0_AD3/FSI_RX3_CLK/UART3_RXD/EHRPWM0_A/TRC_DATA1/GPIO0_18/PRG0_PWM2_A0/BOOTMODE03>/3V3 |
GPMC/BOOTMODE |
893.48 |
单端50ohm |
|
V21 |
V21/<GPMC0_AD7/FSI_RX4_D1/UART4_TXD/EHRPWM_TZn_IN1/EHRPWM8_A/TRC_DATA5/GPIO0_22/PRG1_PWM2_A2/BOOTMODE07>/3V3 |
GPMC/BOOTMODE |
894.32 |
单端50ohm |
|
N16 |
N16/<GPMC0_WPn/FSI_TX1_CLK/EQEP0_A/GPMC0_A22/TRC_DATA22/GPIO0_39/EHRPWM6_A/PRG1_PWM2_A0>/3V3 |
GPMC |
987.64 |
单端50ohm |
|
T18 |
T18/<GPMC0_AD2/FSI_RX2_D1/UART2_RTSn/EHRPWM_TZn_IN0/TRC_DATA0/GPIO0_17/PRG0_PWM2_TZ_IN/BOOTMODE02>/3V3 |
GPMC/BOOTMODE |
914.28 |
单端50ohm |
|
R16 |
R16/<GPMC0_AD10/FSI_RX0_D1/UART4_CTSn/EHRPWM_TZn_IN2/EHRPWM8_B/TRC_DATA8/GPIO0_25/PRG1_PWM2_B2/BOOTMODE10>/3V3 |
GPMC/BOOTMODE |
923.3 |
单端50ohm |
|
P16 |
P16/<GPMC0_ADVn_ALE/FSI_RX5_CLK/UART5_RXD/EHRPWM_TZn_IN3/TRC_DATA15/GPIO0_32/PRG0_PWM3_TZ_IN>/3V3 |
GPMC |
895.92 |
单端50ohm |
|
Y18 |
Y18/<GPMC0_WAIT1/FSI_TX1_D1/EHRPWM_TZn_IN5/GPMC0_A21/EHRPWM7_B/TRC_DATA21/GPIO0_38/PRG1_PWM2_B1>/3V3 |
GPMC |
898.23 |
单端50ohm |
|
V18 |
V18/<GPMC0_AD13/FSI_RX1_D1/EHRPWM3_A/TRC_DATA11/GPIO0_28/PRG0_PWM3_A0/BOOTMODE13>/3V3 |
GPMC/BOOTMODE |
890.4 |
单端50ohm |
|
W19 |
W19/<GPMC0_WAIT0/EHRPWM5_B/TRC_DATA20/GPIO0_37/PRG0_PWM3_B2>/3V3 |
GPMC |
890.89 |
单端50ohm |
|
Y20 |
Y20/<GPMC0_AD15/FSI_TX0_D1/UART6_TXD/EHRPWM3_SYNCI/TRC_DATA13/GPIO0_30/BOOTMODE15>/3V3 |
GPMC/BOOTMODE |
889.3 |
单端50ohm |
|
T20 |
T20/<GPMC0_AD0/FSI_RX2_CLK/UART2_RXD/EHRPWM0_SYNCI/TRC_CLK/GPIO0_15/BOOTMODE00>/3V3 |
GPMC/BOOTMODE |
902.35 |
单端50ohm |
|
W21 |
W21/<GPMC0_AD12/FSI_RX1_D0/UART6_CTSn/EQEP1_B/TRC_DATA10/GPIO0_27/EHRPWM7_B/BOOTMODE12>/3V3 |
GPMC/BOOTMODE |
894.93 |
单端50ohm |
|
V20 |
V20/<GPMC0_AD6/FSI_RX4_D0/UART4_RXD/EHRPWM1_B/TRC_DATA4/GPIO0_21/PRG0_PWM2_B1/BOOTMODE06>/3V3 |
GPMC/BOOTMODE |
943.28 |
单端50ohm |
|
T19 |
T19/<GPMC0_BE1n/FSI_TX0_CLK/EHRPWM5_A/TRC_DATA19/GPIO0_36/PRG0_PWM3_A2>/3V3 |
GPMC |
912.16 |
单端50ohm |
|
U19 |
U19/<GPMC0_AD5/FSI_RX3_D1/UART3_RTSn/EHRPWM1_A/TRC_DATA3/GPIO0_83/PRG0_PWM2_A1/BOOTMODE05>/3V3 |
GPMC/BOOTMODE |
899.54 |
单端50ohm |
|
U21 |
U21/<GPMC0_AD1/FSI_RX2_D0/UART2_TXD/EHRPWM0_SYNCO/TRC_CTL/GPIO0_16/PRG0_PWM2_TZ_OUT/BOOTMODE01>/3V3 |
GPMC/BOOTMODE |
953.68 |
单端50ohm |
|
T21 |
T21/<GPMC0_WEn/FSI_RX5_D1/UART5_RTSn/EHRPWM4_B/TRC_DATA17/GPIO0_34/PRG0_PWM3_B1>/3V3 |
GPMC |
890.78 |
单端50ohm |
|
R21 |
R21/<GPMC0_CSn3/I2C2_SDA/TIMER_IO9/EQEP1_I/GPMC0_A20/EHRPWM_TZn_IN5/GPIO0_44>/3V3 |
GPMC |
898 |
单端50ohm |
|
T17 |
T17/<GPMC0_AD9/FSI_RX0_D0/UART3_CTSn/EHRPWM2_B/TRC_DATA7/GPIO0_24/PRG0_PWM2_B2/BOOTMODE09>/3V3 |
GPMC/BOOTMODE |
901.27 |
单端50ohm |
|
R19 |
R19/<GPMC0_CSn0/EQEP0_S/TRC_DATA23/GPIO0_41/EHRPWM6_SYNCI>/3V3 |
GPMC |
893.22 |
单端50ohm |
|
R20 |
R20/<GPMC0_CSn1/EQEP0_I/EHRPWM_TZn_IN2/GPIO0_42/EHRPWM6_SYNCO/PRG1_PWM2_TZ_OUT>/3V3 |
GPMC |
895.31 |
单端50ohm |
|
R18 |
R18/<GPMC0_OEn_REn/FSI_RX5_D0/UART5_TXD/EHRPWM4_A/TRC_DATA16/GPIO0_33/PRG0_PWM3_A1>/3V3 |
GPMC |
982.44 |
单端50ohm |
|
P19 |
P19/<GPMC0_CSn2/I2C2_SCL/TIMER_IO8/EQEP1_S/EHRPWM_TZn_IN4/GPIO0_43/PRG1_PWM2_TZ_IN>/3V3 |
GPMC |
893.6 |
单端50ohm |
|
P17 |
P17/<GPMC0_BE0n_CLE/FSI_TX1_D0/UART6_RTSn/EHRPWM_TZn_IN4/EHRPWM7_A/TRC_DATA18/GPIO0_35/PRG1_PWM2_A1>/3V3 |
GPMC |
985.21 |
单端50ohm |
|
R17 |
R17/<GPMC0_CLK/FSI_RX4_CLK/UART4_RTSn/EHRPWM3_SYNCO/GPMC0_FCLK_MUX/TRC_DATA14/GPIO0_31/PRG0_PWM3_TZ_OUT>/3V3 |
GPMC |
938.18 |
单端50ohm |
|
N17 |
N17/<GPMC0_DIR/EQEP0_B/GPIO0_40/EHRPWM6_B/PRG1_PWM2_B0>/3V3 |
GPMC |
968.36 |
单端50ohm |
|
J19 |
J19/<MMC1_CMD/UART2_RTSn/TIMER_IO5/UART4_TXD/GPIO1_76>/ADJ |
MMC1 |
697.8 |
单端50ohm |
|
L20 |
L20/<MMC1_CLK/UART2_CTSn/TIMER_IO4/UART4_RXD/GPIO1_75>/ADJ |
MMC1 |
655.47 |
单端50ohm |
|
K18 |
K18/<MMC1_DAT3/CP_GEMAC_CPTS0_TS_COMP/TIMER_IO0/UART2_RXD/GPIO1_71>/ADJ |
MMC1 |
723.55 |
单端50ohm |
|
K19 |
K19/<MMC1_DAT2/CP_GEMAC_CPTS0_TS_SYNC/TIMER_IO1/UART2_TXD/GPIO1_72>/ADJ |
MMC1 |
695.17 |
单端50ohm |
|
L21 |
L21/<MMC1_DAT1/CP_GEMAC_CPTS0_HW1TSPUSH/TIMER_IO2/UART3_RXD/GPIO1_73>/ADJ |
MMC1 |
701.97 |
单端50ohm |
|
K21 |
K21/<MMC1_DAT0/CP_GEMAC_CPTS0_HW2TSPUSH/TIMER_IO3/UART3_TXD/GPIO1_74>/ADJ |
MMC1 |
700.35 |
单端50ohm |
|
M19 |
M19/<OSPI0_D0/GPIO0_3>/1V8 |
OSPI0 |
567.09 |
单端50ohm |
|
M20 |
M20/<OSPI0_D2/GPIO0_5>/1V8 |
OSPI0 |
446.37 |
单端50ohm |
|
N20 |
N20/<OSPI0_CLK/GPIO0_0>/1V8 |
OSPI0 |
554.93 |
单端50ohm |
|
M18 |
M18/<OSPI0_D1/GPIO0_4>/1V8 |
OSPI0 |
586.92 |
单端50ohm |
|
M21 |
M21/<OSPI0_D3/GPIO0_6>/1V8 |
OSPI0 |
548.22 |
单端50ohm |
|
L19 |
L19/<OSPI0_CSn0/GPIO0_11>/1V8 |
OSPI0 |
648.49 |
单端50ohm |
|
N19 |
N19/<OSPI0_DQS/GPIO0_2>/1V8 |
GPIO |
519.43 |
单端50ohm |
|
P20 |
P20/<OSPI0_D5/GPIO0_8>/1V8 |
GPIO |
382.97 |
单端50ohm |
|
P21 |
P21/<OSPI0_D4/GPIO0_7>/1V8 |
GPIO |
331.6 |
单端50ohm |
|
N21 |
N21/<OSPI0_LBCLKO/GPIO0_1>/1V8 |
GPIO |
565.61 |
单端50ohm |
|
M17 |
M17/<OSPI0_D7/GPIO0_10>/1V8 |
GPIO |
764.56 |
单端50ohm |
|
N18 |
N18/<OSPI0_D6/GPIO0_9>/1V8 |
GPIO |
691.19 |
单端50ohm |
|
L18 |
L18/<OSPI0_CSn1/GPIO0_12>/1V8 |
GPIO |
616.44 |
单端50ohm |
3 电气特性
3.1 工作环境
表 10
|
环境参数 |
最小值 |
典型值 |
最大值 |
|
工作温度 |
-40°C |
/ |
85°C |
|
存储温度 |
-50°C |
/ |
90°C |
|
工作湿度 |
35%（无凝露） |
/ |
75%（无凝露） |
|
存储湿度 |
35%（无凝露） |
/ |
75%（无凝露） |
|
工作电压 |
/ |
5.0V |
/ |
3.2 功耗测试
表 11
|
工作状态 |
电压典型值 |
电流典型值 |
功耗典型值 |
|
空闲状态 |
5.0V |
0.37A |
1.85W |
|
满负荷状态 |
5.0V |
0.46A |
2.30W |
备注：功耗基于TL64x-EVM评估板测得。测试数据与具体应用场景有关，仅供参考。
空闲状态：系统启动，评估板不接入其他外接模块，不执行程序。
满负荷状态：系统启动，评估板不接入其他外接模块，运行DDR压力读写测试程序，2个ARM Cortex-A53核心的资源使用率约为100%。
3.3 热成像图
核心板安装好散热器，在常温环境、满负荷转态下稳定工作10min后，分别在不开启风扇、开启风扇的情况下，测得热成像图如下所示。
备注：不同测试条件下结果会有所差异，数据仅供参考。
请参考如上测试结果，并根据实际情况合理选择散热方式。
4 机械尺寸
核心板主要硬件相关参数如下所示，仅供参考。
表 12
|
重量 |
13.5g |
|
PCB尺寸 |
35mm*58mm |
|
PCB层数 |
10层 |
|
PCB板厚 |
1.6mm |
|
安装孔数量 |
4个 |
|
元器件最高高度 |
2.5mm |
图 11
元器件最高高度：指核心板最高元器件水平面与PCB正面水平面的高度差。核心板最高元器件为CPU(U1)。
图 12
5 底板设计注意事项
5.1 最小系统设计
基于SOM-TL64x核心板进行底板设计时，请务必满足最小系统设计要求，具体如下。
5.1.1 电源设计说明
（1） VDD_5V_MAIN
VDD_5V_MAIN为核心板的主供电输入，以及为底板其它外设供电，电源功率建议按最大10W进行设计。
图 13
VDD_5V_MAIN在核心板内部未预留总电源输入的储能大电容，底板设计时请参照评估底板原理图，在靠近B2B连接器焊盘位置放置储能大电容。
图 14
（2） VDD_3V3_SOM_OUT
VDD_3V3_SOM_OUT为BOOTMODE[0:15]信号的上拉配置电源，以及底板电源使能端的上拉配置电源，最大电流约为50mA，请勿用于其他负载供电。
（3） VDD_3V3_MAIN
VDD_3V3_MAIN为评估底板外设接口电源。为使VDD_3V3_MAIN满足处理器的上电、掉电时序要求，推荐参考如下电路进行电源使能设计。
5.1.2 系统启动配置
由于BOOTMODE[0:15]引脚与GPMC存在复用关系，因此若使用GPMC外接设备，请保证CPU在上电初始化过程中BOOTMODE[0:15]引脚电平不受外接设备的影响，以免导致CPU无法正常启动。
核心板内部未对BOOTMODE[0:15]引脚进行上下拉配置，底板设计时，请参考评估底板BOOT SET部分电路进行启动配置电路设计。
图 18
5.1.3 系统复位信号
（1） <POR_IN>/PU/3V3
<POR_IN>/PU/3V3为核心板的上电复位输入引脚，核心板已上拉10K电阻，默认情况请悬空处理。
（2） E17/<PORz_OUT>/PD/3V3
E17/<PORz_OUT>/PD/3V3为核心板的复位输出引脚，核心板内部已设计10K下拉电阻，默认情况请悬空处理。对于有严格要求上电复位顺序的外设，需结合外设的上电时序和复位时序来使用E17/<PORz_OUT>/PD/3V3。
（3） E18/<RESET_REQz>/PU/3V3
E18/<RESET_REQz>/PU/3V3为CPU的Warm_Reset输入引脚，核心板已上拉10K电阻，默认情况请悬空处理。
（4） B12/<MCU_RESETz>/PU/3V3
B12/<MCU_RESETz>/PU/3V3为MCU域的Warm_Reset输入引脚，核心板已上拉100K电阻，默认情况请悬空处理。
5.2 其他设计注意事项
5.2.1 保留Micro SD接口
评估底板通过MMC1总线引出Micro SD接口，主要用于调试过程中使用Linux系统启动卡来启动系统，或批量生产时可基于Micro SD卡快速固化系统至eMMC，底板设计时建议保留此外设接口。
5.2.2 保留UART0接口
评估底板将UART0_RXD和UART0_TXD引脚通过CH340T芯片引至Micro USB接口，作为系统调试串口使用，底板设计时建议保留UART0作为系统调试串口。
如需获取更完整的关于TI AM64x工业核心板硬件的开发资料或有相关疑问，欢迎在评论区留言，感谢您的关注！
TI AM64x工业核心板硬件说明书（双核ARM Cortex-A53 + 单/四核Cortex-R5F + 单核Cortex-M4F，主频1GHz）的更多相关文章
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