PM50 voice chip

单片机IAP编程源程序,可直接使用,适用于嵌入式系统的智能学习功能-Singlechip IAP programming source code can be used directly applicable to embedded systems intelligent learning function

用KEIL开发的操作C51单片机的IO口，使得完成对IO口的读写等操作-KEIL development operation with C51 MCU IO mouth, making completion of the IO port to read and write operations, etc.

89s51单片机控制的键盘和led系统，键盘送数led从低到高位的显示-89s51 MCU control of the keyboard and led system, the keyboard to send a few led from low to high Show

80152单片机实现HDLC协议的应用，对实现文档做了详细的说明，对开发学习机制有很大的帮助。

单片机C51实战应用集锦，是很好的单片机初学者学习和参考的资料。-C51 single-chip Collection of combat application, is a very good learning and reference for beginners Singlechip information.

2.4G 的通用无线控制，成本低于蓝牙.-Generic 2.4G wireless control, cost less than Bluetooth.

IAR for AVR是ATMEL公司推荐的AVR开发环境，其代码编译效率比GCC和ICC高25 到50 ，因此深受欢迎，但其相关的资料却很少，我上传一些能快速上手的资料（包括IAR的扩展关键字，GCC AVR的代码如何移植到IAR等等）-IAR for AVR is ATMEL" s AVR recommended development environment, its code is more efficient than GCC and ICC to compile a 25 to 50 , so very popular, but very little relevant information, I would upload the information that can quickly get started (including the expansion of IAR keyword, GCC AVR code for how to migrate to IAR, etc.)

C51与HT9170和HT9200接口程序(双音多频)-C51 with HT9170 and HT9200 interface program (DTMF)

avr单片机pwm功能的使用，本程序实现了PWM中CTC模式的要求。开发环境为icc avr。单片机atmega48-avr Singlechip use pwm function, the program achieved in PWM mode CTC requirements. Development environment for the icc avr. Singlechip atmega48

ISP的下载使用，对硬件的开发很有用的东西，-ISP download use, the development of hardware useful things