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微处理器开发 MSP-FET430P140 Demo - USART0, SPI Interface to HC165/164 Shift Registers Description: Demonstrate
MSP-FET430P140 Demo - USART0, SPI Interface to HC165/164 Shift Registers
Description: Demonstrate USART0 in two-way SPI mode. Data are read from
an HC165, and same data written back to the HC164.
ACLK = n/a MCLK = SMCLK = default DCO = UCLK0 = DCO/2
* USART0 control bits are in different SFR s from ...
系统设计方案 ST7787 芯片的SPEC
ST7787 芯片的SPEC，比亚迪2.4inchLCM的SPEC。The ST7787 is a single-chip controller/driver for 262K-color, graphic type TFT-LCD. It consists of 720 source line and
320 gate line driving circuits. This chip is capable of connecting directly to an external microprocessor, and accepts Serial
Peripheral I ...
加密解密 RSA算法是第一个能同时用于加密和数字签名的算法
RSA算法是第一个能同时用于加密和数字签名的算法，也易于理解和操作。RSA是被研究得最广泛的公钥算法，从提出到现在已近二十年，经历了各种攻击的考验，逐渐为人们接受，普遍认为是目前最优秀的公钥方案之一。RSA的安全性依赖于大数的因子分解，但并没有从理论上证明破译RSA的难度与大数分解难度等价。即RSA的重大缺陷是无 ...
加密解密 CRC码产生器与校验器程序 Features ： Executes in one clock cycle per data word Any polynomial from 4 to 32 b
CRC码产生器与校验器程序
Features ：
Executes in one clock cycle per data word
Any polynomial from 4 to 32 bits
Any data width from 1 to 256 bits
Any initialization value
Synchronous or asynchronous reset
其他 simulating a convolutional encoder allows the user to input a source code to be encoded and also in
simulating a convolutional encoder
allows the user to input a source code to be encoded and also input the values of the generator polynomials. It outputs the encoded data bits, where 1/n is the code rate
VHDL/FPGA/Verilog 16点FFT VHDL源程序
16点FFT VHDL源程序，The xFFT16 fast Fourier transform (FFT) Core computes a 16-point complex FFT. The input data
is a vector of 16 complex values represented as 16-bit 2’s complement numbers – 16-bits for
each of the real and imaginary component of a datum.
Delphi控件源码 Purpose: --- -- This component is used for capturing staff from AVI to BMP. Installation:
Purpose:
--- --
This component is used for capturing staff from AVI to BMP.
Installation:
-------------
Extract the compiled units into your Lib directory or into
another directory that is listed in the Library path in your Delphi options.
Choose file AVIcap.dcu for register.
description:
-- ...
matlab例程 选取windows系统自带的ding.wav信号作为分析对象
选取windows系统自带的ding.wav信号作为分析对象，在Matlab软件平台下，利用函数wavread对音频信号进行采样，记住采样频率和采样点数，听一下原始声音sound(y, fs, bits)。
（2）音频信号的频谱分析，先画出音频信号的时域波形；然后对音频号进行快速傅里叶变换fft(y,N)，N取32768，画出信号的频谱特性，加深对频谱特性的理 ...
其他书籍 This Telecommunication Standard [TS] describes the detailed mapping from input blocks of 160 speech
This Telecommunication Standard [TS] describes the detailed mapping from input blocks of 160 speech samples in
13-bit uniform PCM format to encoded blocks of 95, 103, 118, 134, 148, 159, 204, and 244 bits and from encoded
blocks of 95, 103, 118, 134, 148, 159, 204, and 244 bits to output blocks of ...
数据结构 The Bit Array structure provides a compacted arrays of Booleans, with one bit for each Boolean value
The Bit Array structure provides a compacted arrays of Booleans, with one bit for each Boolean value. A 0 [1] bit corresponds to the Boolean value false [true], respectively. We can look at a stream of bytes as a stream of bits each byte contains 8 bits, so any n bytes hold n*8 bits. And the operat ...