AVR for Watchdog!

usb编程器的全部资料，包括上位机程序及下位机源程序 支持编程器类型 1,多种并口（可以自定义）编程器（并口串行） 2,USBPROG编程器（usb串行） 3,并口并行编程器 4,usbasp 扩展功能 1,串口调试,超级终端 特色： 1,速度较快(16k程序): 并口 读11秒 写11秒；USBPROG读2秒 写2秒。 2,USBPROG根据目标cpu自动调整三种下载速度(8k,187.5k,375k) 3,支持自定义ATMEL全系列cpu(avr+S5x 系列). 4,支持自定义熔丝信息提示功能 -usb programmer all the information, including procedures and PC-under-source programming support for a similar, multiple parallel port (which can be customized) programming (Serial Parallel Port) 2, USBPROG Programming (usb serial) 3, Parallel parallel programming for four, a usbasp expansion, Serial debugging, the Super Terminal characteristics : a high speed (16k procedures) : Parallel Port Reading 11 seconds was 11 seconds; USBPROG Reading 2 seconds was two seconds. 2, according to the target cpu USBPROG automatic adjustment of the three download speeds (8k, 187.5k. 375K) 3, ATMEL support from the definition of a full range of cpu (avr S5x series). 4. Fuse support from the definition of functional i

这里给出74hc595的c51驱动程序。带锁存功能的串入并出芯片。-Here are 74hc595 the C51 driver. With latch function and a string into the chip.

本文件是一个3*4键盘扫描显示程序, 初学者往往对此类问题感到头疼, 本人特上传一个供大家参考.-This document is a 3* 4 keyboard scan showed procedures, beginners often on such issues headache, I would like for you to upload a reference.

采用实时芯片DS1302来计时,并用LCM液晶显示!有较高的精确度!-Real-time chip DS1302 to time, and LCD LCM! Have higher accuracy!

本程序是4位七段显示、3x3键扫实验，正确无误。-4 This procedure is the seventh show, 3x3 keys sweep experiments are correct.

一个LCD菜单绘图程序，通过点阵显示图片，也可显示动态图象！-An LCD menu drawing procedures, through the dot-matrix display images, dynamic images can also be displayed!

利用NRF9e5芯片编写的C51源代码，可实现点到点无线通信接收部分。-NRF9E5 chips prepared using C51 source code, can be achieved to receive part of point-to-point wireless communications.

=== =时钟20:6=== === == 应先初始化状态寄存器 tx1714 EQU 7FFH PA EQU 05H PB EQU 06H PC EQU 07H PD EQU 20H IAR EQU 00H 间接寻址寄存器 TMR0 EQU 01H 定时器 STATUS EQU 03H 状态寄存器 BSR EQU 04H bank选择寄存器 PORTA EQU 05H I/0端口寄存器 PORTB EQU 06H I/0端口寄存器 PORTC EQU 07H I/0端口寄存器 PORTD EQU 20H I/0端口寄存器 PULL EQU 21H PULL-High上拉寄存器 WAKEUP EQU 22H 唤醒控制寄存器－－被用来设定watchdog允许和禁止 IRQM EQU 23H 中断屏蔽寄存器 IRQF EQU 24H 中断标志寄存器 WDTSEL EQU 25H -=== === = clock 20 : 6 === === === == should first register initialization state tx1714 EQU 7FFH EQU PA PB EQU 05H 06H 07H PC EQU PD EQU 20H IAR E QU 00H indirectly addressable registers TMR0 EQU 01H timer STATUS EQU Mr send state BSR EQU-deposit bank in the 04H choice Register PORTA EQU 05H I/O ports Register P ORTB EQU 06H I/O ports Register PORTC EQU 07H I/O ports Register POR TD EQU 20H I/O ports Register PULL EQU 21H PULL-High pull Register WAKEUP EQU 22H awaken control registers-- were used to set watchdog allowed and prohi

c51语言入门教程.适合于初学者使用,通俗易懂-C51 Language Tutorial. suitable for beginners to use, easy to understand

二极管闪动实验，C51制作-diodes flashing experiment, the production C51