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技术资料 LQFP,TQFP,QFP,CQFP封装尺寸表
Low Profile Quad Flat Pack (LQFP) packages provide the same benefit of the metric QFP packages, but are thinner (body thickness of 1.4mm) and have a standard lead-frame footprint (2.0mm lead footprint). LQFPs help to solve issues such as increasing board density, die shrink programs, thin end-produc ...
技术资料 fatFS 0.08
FATFS 0.08纯净版
ffconf.h Configuration file for FatFs module.
ff.h Common include file for FatFs and application module.
ff.c FatFs module.
diskio.h Common include file for FatFs and disk I/O module.
integer.h Alternative type definitions for integer variables.
option ...
技术资料 基于单片机的盲人智能手杖设计
传统的导盲杖已经不能保障盲人的安全出行,本系统以单片机STC89C52作为核心处理器,采用超声波测距技术,ISD1420语音芯片,利用proteus软件搭建了系统各模块的硬件仿真电路,结合Keil C平台进行了软件编程实现。通过调试和测试,本系统设计的盲人的智能手杖,可以对道路上的障碍物进行距离探测,并提供语音提示、时间播报、灯光示警 ...
无线通信 无线技术指南
Radio frequency (RF) can be a complex subject to navigate, but it does not have to be. If you are just getting started with radios or maybe you cannot find that old reference book about antenna aperture, this guide can help. It is intended to provide a basic understanding of RF technology, as well a ...
汇编语言 ARM下 Implement matrix multiplication of 2 square matrices, with data read from an input file and pri
ARM下 Implement matrix multiplication of 2 square matrices, with data read from an input file and printed both to the console and to an output file.
&#8226 Assume a file with correct data (no garbage, characters, etc.).
&#8226 you must check and provide appropriate execution for 2 extra cases, namel ...
驱动编程 YSS915 (KP2V2) is an LSI for processing Karaoke voice signals. This LSI has an A/D converter (1 cha
YSS915 (KP2V2) is an LSI for processing Karaoke voice signals.
This LSI has an A/D converter (1 channel) for the microphone echo, and a memory for the microphone echo and
key control. These features allow achieving the functions needed for the Karaoke system by using only one LSI
chip. As for the mi ...
Linux/Unix编程 In recent years, the UNIX operating system has seen a huge boost in its popularity, especially with
In recent years, the UNIX operating system has seen a huge boost in its popularity, especially with the
emergence of Linux. For programmers and users of UNIX, this comes as no surprise: UNIX was designed to
provide an environment that s powerful yet easy to use.
One of the main strengths of UNIX is ...
其他 As science advances, novel experiments are becoming more and more complex, requiring a zoo of contro
As science advances, novel experiments are becoming more and more complex, requiring a zoo of control devices and electronics executing complicated sequences of steps. Device availability and monetary constrains usually lead to a highly heterogeneous setup with components from several different manu ...
嵌入式/单片机编程 This document provides guidelines and describes how to easily port S60 2nd Edition C++ application
This document provides guidelines and describes how to easily port S60 2nd Edition
C++ applications to S60 3rd Edition. The document has been written based on
experiences of porting regular S60 2nd Edition applications, such as the S60 Platform:
POP/IMAP Example [4] that can be downloaded from Fo ...
其他书籍 This paper shows the development of a 1024-point radix-4 FFT VHDL core for applications in hardware
This paper shows the development of a 1024-point
radix-4 FFT VHDL core for applications in hardware signal processing, targeting low-cost FPGA technologies. The developed core is targeted into a Xilinx庐 Spartan鈩?3 XC3S200 FPGA with the inclusion of a VGA display interface and an external 16-bit da ...