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DTMF编码芯片HT9200的51接口程序。输入参数R2表示发送数据个数，输入数据与发送数据与DTMF码的关系:00H-0 01H-1 02H-2 03H-3 04H-4 05H-5 06H-6 07H-7 08H-8 09H-9 0AH-A 0BH-B 0CH-C 0DH-D 0EH-* 0FH-#。详细说明参考文件内-DTMF encoder chip HT9200 51 interface program. R2 said input parameters to send data distribution, data entry and send data with the DTMF code : 00H-0 01H- 02H-2 Mr- 3 in the 04H-4 05H-5 06H-6 07H-7 08H-8 7-9 0AH-A 0BH- 0CH B-C 0DH-D 0EH-* 0FH-#. Detailed information paper

DS18B20原理图及资料 -DS18B20 schematics and information

C8051F020对74LS595的控制-C8051F020 control of the 74LS595

这是从网上找来的一个比较典型的PID处理程序，在使用单片机作为控制cpu时，请稍作简化。-It is found from the Internet a more typical PID treatment procedures, the use of single-chip microcomputer as the control cpu, please make some simplification.

飞思卡尔单片机.推荐给大家看利用CodeWarrior的PE功能生成SPI模块的参考代码一下.-Freescale Singlechip. Recommended for everyone to see use of CodeWarrior to generate the PE functional SPI module reference code look.

基于Philips LPC2104芯片，针对Pixel＋ 30万象素摄像头的控制程序-chips based on Philips LPC2104 against Pixel+ 300,000 pixel camera control procedures

本人上传的是 单片机 1602LCD液晶秒表.asm 源代码 -I uploaded is the single-chip LCD 1602LCD stopwatch. Asm source code

usb开发 HID_KEYS 用单片机模拟usb开发-usb analog usb development HID_KEYS with MCU Development

CM320X240LCD的驱动程序，C语言，wave仿真器调试通过-CM320X240LCD driver, C language, wave simulator debugging through

picc_18v 8.35pl35 PIC18系列单片机开发C编译器，去除限制。-picc_18v 8.35pl35 PIC18 MCU Development Series C compiler to remove restrictions.