avr 单片机 定时器初始化、应用原代码

实时时钟RTC4553的测试程序，编译环境为伟福6000，汇编程序-real-time clock RTC4553 testing procedures, compile environment for the 6,000-fu, assembler

C51实现的FAT32文件系统-C51 of the FAT32 file system

用51单片机控制硬盘读写，并用通过液晶界面显示。-SCM control with 51 hard drives to read and write, and use the LCD interface display.

Device pins that are not connected to a specific peripheral function are controlled by the GPIO registers. Pins may be dynamically configured as inputs or outputs. Separate registers allow setting or clearing any number of outputs simu 中文-Device pins that are not connected to a specific peripheral function are controlled by theGPIO registers. Pins may be dynamically configured as inputs or outputs. Separateregisters allow setting or clearing any number of outputs simu Chinese

一维多项式多组求值，利用系数预处理法对多项式p(x)=an-1x^n-1+an-2x^n-2+...+a1x+a0,进行多组求值。其中n=2^k-Many one-dimensional polynomial evaluation group, using coefficient polynomial preconditioning method p (x) = an-1x ^ n-1+ an-2x ^ n-2+...+ a1x+ a0, for many Group evaluated. One of n = 2 ^ k

lcd液晶显示的功能操作和汉字显示 分别为第一行，和第二行-LCD operation and the function of Chinese characters were shown the first line, second line and

单片机对SJA1000的驱动，包括初始化，收发数据，中断- MCU drive for SJA1000(include initial,transmit and receive data,interruption and so on)

读写am29F040的C语言程序，适用多种型号的FLASH-Am29F040 the C language to read and write procedures for a variety of models of FLASH

使用PIC芯片控制U2270读取125KHz ID卡卡号，因为所使用的PIC资源很少，此程序极为精简，包含中断曼切斯特解码和校验全过程，非常实用。-The use of PIC chip control U2270 Read 125KHz ID card number, because the use of PIC scarce resources, this program is extremely streamlined, with interruption of Manchester decoding and checking the whole process is very useful.

在keil-ARM环境下对ARM7处理器编译成功的I2C总线程序，程序通过I2C总线向UART串口发送数据，验证了I2C总线程序的正确性。-Keil-ARM in the circumstances of the ARM7 processor to compile the success of I2C bus procedures, procedures for the adoption of I2C serial bus to send data to the UART, I2C bus to verify the correctness of the procedure.