AT89C2051时钟程序

51单片机各类源程序集锦，含有好多常见的单片机程序，学习的好资料。-51 Single-chip Collection of all types of source, contains a lot of common single-chip process, learning good information.

提取、刷写飞利浦713X系列电视卡EEPROM（识别码）-Extraction, Writing Brush Philips 713X series tv card EEPROM (ID)

基于8051单片机的GSM报警系统源代码，经测试可用，用KEIL c51 编译-8051 based on the GSM alarm system source code can be used have been tested, using KEIL c51 compiler

仅供参考 仅供参考-only reference is for reference only reference is for reference only

winavr，atmega8，44780，1602液晶屏程序-winavr, atmega8, 44780,1602 LCD screen procedures

基于AVR单片机的DS18B20测温程序.-Based on the AVR MCU DS18B20 measurement procedures.

基于89C51的计算机可锁定加密键盘设计带源码-89C51-based computer keyboard lock design with encryption source code

自定义的USB设备单片机固件程序，基于PDIUSBD12 usb接口芯片-Custom single-chip USB device firmware, based on PDIUSBD12 usb interface chip

瑞萨7709系列高档单片机串口通信的工程文件，实现简单的单片机与PC之间的串口通信-Renesas 7709 series high-end single-chip serial communication engineering documents, to achieve a simple and single-chip serial communication between PC

=== =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