Here is my draft evaluation when old MCU replacement for power consumption, the comparsion betwween PIC and MSP430. The current calculation is based on average of one bit-bang communication. One bit-bang communication total time is 48.868 ms, 28.868…

20161008 note : I have a PCB board called 'A' where a piece of STM8L052C6 and a piece of CC1101 are put. And I have another PCB board called 'B' where a piece of STM8L051F3 and a piece of CC1101 are put. The 'MISO' pin of STM8L052C6 in 'A' is designe…

A. Power Consumption Calculation 题目连接: http://www.codeforces.com/contest/10/problem/A Description Tom is interested in power consumption of his favourite laptop. His laptop has three modes. In normal mode laptop consumes P1 watt per minute. T1 minute…

電池標稱電壓 定義如下圖, 以25度為例,20度再往上點, 4V 放一下電就往下掉, 3V 放一下電就往下掉, 假設 3.8V 是擁有最多 capacity 可以 discharge 的電壓,放電放了很久仍維持 3.8V, 因此我們定義 3.8V 為這顆電池的標稱電壓,(不同型號的電池也許不一樣) 通常在電池的外觀可以看到此參數, power consumption 量測 使用假電池測量 power consumption 時, 應該將 電壓 設為 電池的標稱電壓, 因為標稱電壓佔了從滿電到裝置…

Precondition : 配有 power path 功能的 BQ2589 手機. 接上 pc usb port. Origin : 今天有同事問我, 手機是否可以在接上 pc usb port 時,讓手機停充, 有以下幾種停充, 停充_1 : BQ25896 有 power path 的功能, 可以單獨停充電池, 只要 disable CHG_CONFIG bit 即可, 充電器仍可以供給 system. 如圖 停充_2 : 將 charger ic 的 input current 設為…

http://codeforces.com/problemset/problem/10/A 题很简单,就是题意难懂啊... #include <stdio.h> #include <iostream> #include <string.h> using namespace std; ; struct node { int l,r; } g[N]; int main() { int n,p1,p2,p3,t1,t2; while(cin>>n>>p…

BACKGROUND Electronic devices, such as electronic book readers ("eBook reader devices"), cellular telephones, portable media players, desktop computers, laptops, tablet computers, netbooks, personal digital assistants, and the like, rely on elec…

Methods and apparatus to provide for power consumption reduction in memories (such as cache memories) are described. In one embodiment, a virtual tag is used to determine whether to access a cache way. The virtual tag access and comparison may be per…

power domain:一个逻辑的集合体,包含power supply的一些信息.建立在FE. voltage area:chip上的一块物理区域.可以看作power domain的物理实现. Level shift,isolate cell,retention register的插入,越早越好,这样他们对timing和physical design的 影响,能更早的可见,CTS和DFT应该是对power已知的. Power Intent描述设计中的power domain,level shi…

LDO current regulator for power LED Challenge You've got a power LED? Great! Build a flash light! What does the spec say? "Voltage: 3.6 .. 3.8 V, power 3 W." Okay. This means that it draws some 800 mA. Three mignon cells give 4.5 V for at least…

http://source.android.com/devices/tech/power.html Battery usage information is derived from battery usage statistics and power profile values. Battery Usage Statistics Battery usage statistics are tracked by the framework. This involves keeping track…

http://www.planetanalog.com/author.asp?section_id=3041&doc_id=563055 Jonathan Harris, Product Applications Engineer, Analog Devices, 6/2/2014 As I thought about where to go with the next blog, I looked over the comments and questions from my previous…

BACKGROUND INFORMATION Embodiments of the present invention are directed to optical links and, more particularly, to optical links which may save power when the optical link is unplugged and maintain eye safety standards. Most optical links to date a…

BACKGROUND Processor power consumption has become a major issue in recent years. The current trend of processor design to multi-core architecture as eased the pressure on power consumption. However, power consumption still grows linearly with the num…

A. Power Consumption Calculation time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Tom is interested in power consumption of his favourite laptop. His laptop has three modes. In normal mode l…

Minimizing the overall power conservation in a symmetric multiprocessor system disposed in a system-on-chip (SoC) depends on using voltage islands operated at different voltages such that similar circuits will perform at significantly different level…

Within a multi-processing system including a plurality of processor cores 4, 6operating in accordance with coherent multi-processing, each of the cores includes a cache memory 10, 12 storing local copies of data values from a coherent memory region.…

In one embodiment, a network management system (NMS) determines an intent to initialize a request-response exchange with a plurality of clients in a low power and lossy network (LLN). In response, the NMS adaptively schedules corresponding responses…

A method for operating a memory module device. The method can include transferring a chip select, command, and address information from a host memory controller. The host memory controller can be coupled to a memory interface device, which can be cou…

0.ABSTRACT (1)non-volatile memory——low standby power DRAM——high performance and better active power (2)we: present a runtime-adaptive method of DRAM decay——reduce DRAM refresh energy (largestandby power due to refresh) present two methods——DRAM bypas…

http://www.hardwaresecrets.com/article/611 Everything You Need to Know About the CPU C-States Power Saving Modes http://www.hardwaresecrets.com/article/Everything-You-Need-to-Know-About-the-CPU-C-States-Power-Saving-Modes/611/1 Introduction In order…

https://en.wikipedia.org/wiki/Secure_Digital#Technical_details Secure Digital (SD) is a non-volatile memory card format developed by the SD Card Association (SDA) for use in portable devices. The standard was introduced in August 1999 by joint effort…

This article come from HEREARS-L1: Learning Tuesday 10:30–12:30; Oral Session; Room: Leonard de Vinci 10:30  ARS-L1.1—GROUP STRUCTURED DIRTY DICTIONARY LEARNING FOR CLASSIFICATION Yuanming Suo, Minh Dao, Trac Tran, Johns Hopkins University, USA; Hojj…

  SANDY BRIDGE SPANS GENERATIONS Intel Focuses on Graphics, Multimedia in New Processor Design By Linley Gwennap  {9/27/10-01} ................................................................................................................... Intel’s…

转自:http://www.mdpi.com/1424-8220/12/9/11734/htm Sensors 2012, 12(9), 11734-11753; doi:10.3390/s120911734 Article Overview and Evaluation of Bluetooth Low Energy: An Emerging Low-Power Wireless Technology Carles Gomez 1,*, Joaquim Oller 2 and Josep Pa…

RFID读写器的工作原理 RFID的数据采集以读写器为主导,RFID读写器是一种通过无线通信,实现对标签识别和内存数据的读出和写入操作的装置. 读写器又称为阅读器或读头(Reader).查询器(Interrogator).读出装置(Reading Device). 扫描器(Scanner).通信器(Communicator).编程/编码器(Programmer)等等. 读写器工作原理 RFID读写器的基本原理是利用射频信号与空间耦合传输特性,使电子标签与阅读器的耦合元件在射频耦合通道内进行能量传…

Transistor Tutorial Summary Transistor Tutorial Summary Bipolar Junction Transistor Tutorial We can summarise this transistors tutorial section as follows: The Bipolar Junction Transistor (BJT) is a three layer device constructed form two semiconduct…

原地址:http://blog.sina.com.cn/s/blog_72b936d801013ptr.html icense Comparisons http://unity3d.com/unity/licenses#iphone Optimizing Graphics Performance http://unity3d.com/support/documentation/Manual/Optimizing Graphics Performance.html iOS A useful bac…

http://anandtech.com/show/2549 Now that NVIDIA’s has announced its newest GPU architecture (the GeForce GTX 200 series), interesting architectural details are popping up on the web. The best writeup I’ve found is by AnandTech. In the past, such detai…

The Brain vs Deep Learning Part I: Computational Complexity — Or Why the Singularity Is Nowhere Near July 27, 2015July 27, 2015 Tim Dettmers Deep Learning, NeuroscienceDeep Learning, dendritic spikes, high performance computing, neuroscience, singula…