8051

ads1.2开发环境下《ARM与嵌入式系统基础实验教程(1)》Idle_time的源码实验。-ads1.2 development environment "ARM based embedded systems with experimental Guide (1)" Idle_ FOSS-time experiment.

《单片机应用系统开发实例详解》 光盘 程序-err

16X16的LED点阵控制（附原理图），asm和c的源程序，对了解开发原理有帮助！-audio LED dot matrix control (diagram), asm and c source, the development of principles for understanding help!

ADC0809是带有8位A/D转换器、8路多路开关以及微处理机兼容的控制逻辑的CMOS组件。它是逐次逼近式A/D转换器，可以和单片机直接接口。 -ADC0809 is an 8-bit A/D converter, 8-way multi-switch and microprocessor compatible control logic of the CMOS components. It is a successive approximation type A/D converter, single chip can interface directly.

银行磁卡系统的ABA2通信协议的C51实现代码-Bank card system ABA2 communication protocol to achieve the code C51

用凌阳SPCE061A在LCD上显示文字、图形 A0-A7连接LCD的DB0-DB7，B3、B4、B5连接LCD的A0、R/W、EP，LCD的CS可连接到DGND-Sunplus SPCE061A used in the LCD display text, graphics LCD connect A0-A7 of DB0-DB7, B3, B4, B5 connected LCD of A0, R/W, EP, LCD of CS can be connected to DGND

采用直流电机测速单元模拟出租车速度，通过A/D转换进行速度采样，利用单片机的定时器/计数器定时和计数，用LED数码管或LCD显示总价和时间，并通过键盘进行单价设定及时间显示，键盘功能自行定义。-DC Motor Speed modules using simulation taxi speed, through the A/D conversion speed of sampling, the use of single-chip timer/counter timing and counting, with LED digital tube or LCD display the total price and time, and through keyboard Price settings and time display, keyboard function on its own definition.

=== =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

C8051F系列单片机的常用函数1，包括定时器的寄存器配置方式和AD的初始化。-C8051F series microcontrollers commonly used function of a, including the timer and the AD configuration register initialization.

STC89C52脉宽调制