pwm-at91sam7a

电动汽车快换电池箱电子控制单元通信协议（CAN）(BMS ECU communicating protocol)

近30个LPC23XX系列，各模块源代码！(Nearly 30 LPC23XX series, each module source code!)

ATT7053B单相计量芯片程序 ATT7053BU 是一颗带SPI 通讯接口的单相多功能计量芯片（EMU）。 芯片的工作电压范围是4.5 ～ 5.5V。 工作晶振为6MHz。(ATT7053B single-phase metering chip program ATT7053BU of a single-phase multi-function measurement chip with SPI communication interface (EMU). Chip operating voltage range is 4.5 to 5.5V. The work of the crystal is 6MHz.)

S3C2440 TEST PROGRAMM

stm32中准确延时用的文件,因为时钟速度过快且应用广，要实现ms的延迟是很困难的，所以用嘀嗒时钟。(make sure the delay time is just the time we wanted.)

stm32 双串口通信 串口1对串口2的异步通信(stm32 Dual serial communication)

ARM嵌入式WINCE教程 platform builder安装 EVC使用实例(ARM for wince)

说明：  FM1702射频芯片读写操作,主要用于IC卡读写操作(FM1702 RF chip to read and write operations)

采用stm32内部TIM编程 实现对输入信号的计数测频 可测0HZ—65536HZ的频率(TIM programming using the internal stm32 Count the input signal to achieve frequency measurement Can be measured 0HZ-65536HZ frequency)

DS1302电子钟,配有18b20温度传感器(DS1302 clock, temperature sensor with a 18b20)