Keil

DS1302+DS18B20+无线遥控应用程序-DS1302+ DS18B20+ wireless remote control applications

ch451的使用，遇到问题可以参考 做spi驱动-ch451 use problems can refer to make spi driver

为ascii码转换程序，自己编写的，可以使用masm工具编译。-Ascii code for the conversion process, I have written, you can use the MASM compiler tools.

8051系列变速器简介

本代码基于凌阳SPCE061A芯片，实现波形发生器功能，能实现波形包括正弦波、方波、三角波、锯齿波，外括数码管显示，语音报数据的功能。-Based on this code SPCE061A Sunplus chips, realize waveform generator function, can realize waveforms including sine wave, square wave, triangle wave, sawtooth, outside, including a digital display, voice, data reported.

主要是LED屏的驱动,户外屏显示,程序中显示四个不停变化的图案.-LED screens are the main driver, outdoor screen display, the program shows the changing pattern of four non-stop.

freecale单片机基于bdm接口的一些源代码-Bdm interface based on a number of source code

51单片机控制TC35I无线通信模块的完整Keil C程序，还包含GB2312与Unicode转换，国标汉字、ASC字符显示，串口通信，液晶模块控制等程序。-51 single-chip wireless communication module TC35i control the integrity of Keil C procedures, also includes GB2312 and Unicode conversion, GB characters, ASC characters display, serial communications, LCD module control procedures.

单片机与pc机通讯例程的mcu部分，package发送模式，具有数据验证功能,keil c编译-SCM and pc machines mcu part of routine communications, package delivery mode, with data validation features, keil c compiler

SPI是一个环形总线结构，由ss（cs）、sck、sdi、sdo构成，其时序其实很简单，主要是在sck的控制下，两个双向移位寄存器进行数据交换。 假设下面的8位寄存器装的是待发送的数据10101010，上升沿发送、下降沿接收、高位先发送。 那么第一个上升沿来的时候 数据将会是sdo=1；寄存器=0101010x。下降沿到来的时候，sdi上的电平将所存到寄存器中去，那么这时寄存器=0101010sdi，这样在8个时钟脉冲以后，两个寄存器的内容互相交换一次。这样就完成里一个spi时序。 -SPI bus is a ring structure, by ss (cs), sck, sdi, sdo composition, its timing is actually very simple, mainly under the control of the sck and two bi-directional shift register for data exchange. Assuming the following 8-bit register is loaded to send the data to be 10,101,010, rising to send, receive falling edge, high first sent. Well, the first rising edge to the time data will be sdo = 1 register = 0101010x. Falling edge comes, sdi on the level will be stored to the register, then register at this time = 0101010sdi, so 8 clock pulse later, the contents of two registers to exchange time. This will be completed in a spi timing.