用51单片机做拉幕式时钟显示，有设计方案，原理图以及源代码...

一个4*4键盘程序，当有按键按下时将在数码管上显示出按下的字符-A 4* 4 keyboard procedure, when the button is depressed will have in the digital control on the press shows that the characters

Freelight For BlackBerry Storm. Application that switches on the front led light

飞思卡尔MC9S08AC60数椐手册.此单片机是飞思卡尔新推出的一款,确实不错.推荐给大家看一下.-Freescale MC9S08AC60 show manual number. This is a single-chip Freescale introduced a new, really good. Recommend to everyone to look at.

=== =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

很好的源代码,x250汇编源码,X250读写功能,-good source code, compile source SCH-X250, SCH-X250 features,

LCD的工作原理，包括LCD的液态晶体介绍，扫描技术，显示模块等等！-LCD working principle, including the LCD liquid crystal, the scanning technology, display modules and so on!

ICC mega8例子，包括时钟，音乐，中断，PWM波，四位数码管-ICC mega8 examples, including the clock, music, interrupt, PWM wave, the four digital tube, etc.

MCS-51单片机 实用子程序库 学习单片机的一些实用的好-MCS-51 single-chip single-chip utility subroutine library to learn some practical good

桦宣430研讨会资料盘里的msp430f2013+cc2500的pcb设计资料-Cheng Xuan 430 seminars in the disk information msp430f2013+ Cc2500 of pcb design information

AVR单片机应用于红外遥控的例程，调试通过。-AVR single-chip microcomputer used in infrared remote control routines, debugging through.