89C51

本人上传的是 单片机 直控按键演示(汇编).asm 源代码 -I uploaded is the demonstration of single-chip direct control keys (compilation). Asm source code

红外线遥控程序，可以读出遥控器代码值并显示在数码管上。-Infrared remote control procedures, you can read out the remote control code value and display in the digital pipe.

8位串行LED测试程序，带有字库文件，C51语言，KEIL uvision2下编译通过，并硬件调试通过-eight serial LED testing procedures, with character, C51, uvision2 under KEIL compiler, and hardware debugging through

由VHDL 语言实现的AD0809用的是KEIL环境已经得到验证-By the VHDL language used in the AD0809 is KEIL environment has been tested

传一个我们项目中用到得Modbus程序，这是已经调试好的用的芯片是MSP430FE425。希望能对大家有用。-Biography of a project, we used a Modbus process, which is already used for debugging the chip is good MSP430FE425. Useful for all of us hope.

用C编程实现的一个单片机报警系统！已经调试可以使用！是单片机大作业的一个！--A SCM alarm system. It is written in C language. It is a part of a big assignment on SCM.

51单片机Ｃ语言学习杂记 51单片机Ｃ语言学习杂记-51 Single-chip C Language Learning 51 Miscellanies Miscellanies Singlechip C Language Learning

AT29C040在单片机中的应用不仅能使用户快速地实现所需功能，而且电擦除的方式为程序和数据的存储和更新提供了方便，随着闪速存储器器件朝着容量越来越大、工作电压越来越低、支持共同的接口标准的方向发展，闪速存储器硬件接口和软件设计将越来越容易。 -AT29C040 in MCU that the application enables users to quickly achieve the required functions, but also-- in the form of erasure and data storage and update provides a convenient, as Flash memory devices towards increasing capacity, low voltage increasingly support a common interface standard direction, Flash memory interface hardware and software design will become increasingly vulnerable.

MCS-51单片机有5个中断源，其中两个是由-INT0、-INT1引脚输入的外部中断源；另外三个是内部中断源即由T0、T1的溢出引起中断和串行口发送完一个字节或接收到一个字节数据引起中断。触发外部中断有两种方式，即下降沿引起中断或低电平引起中断。当编程TCON中的ITi（i=0、1）为1时，则引起触发的方式为边沿触发方式，反之(ITi=0)为低电平触发方式。每个中断源的中断请求能否得到响应要受两级“开关”的控制，即一个总“开关”-MCS-51 single-chip has five interrupt sources, two of which are by-INT0,-INT1 pin input external interrupt source the other three internal interrupt sources from the T0, T1 overflow caused by the disruption and serial port sending or receiving end of a byte to a byte of data caused by interruption. Triggered external interrupt has two modes, namely, falling edge or low-level disruption caused disruption caused. When programming TCON in ITi (i = 0,1) for the 1:00 has been the subject of a way to trigger the way to the edge of the trigger, on the contrary (ITi = 0) for low-level trigger mode. Each interrupt source interrupt request can be subject to levels in response to

用数码管显示测得的心率值。并控制发光二极管的亮灭。-Digital display of heart rate measured value. And control of light to eliminate light-emitting diodes.