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HzPrn
- 点阵式打印机驱动程序,CPU:89C51RD2,含3562个汉字,可打印图形,有1024字节缓冲区
Printer
- Epson 150II点阵式打印机电路原理图,PCB图,有四个版本,CPU有LPC764,89C51RD2等,有驱动宽度保护功能.
2ms_sq_wave_generator
- Philips 89C51RD2 500Hz 方波發生器-Philips 89C51RD2 500Hz square wave generator
TestCPU
- this source support for 89c51RD2 ( PLCC 44 pin)
blink_LED
- led blink program which is based on 89c51rd2.
alphanumericdip
- Alpha numeric keypad using ic74c923 interfaced with 89c51rd2 (8051 microcontroller)