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AT89S52 Evaluation Board with 128*64 LCD Module

2017-11-30 13:16  
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AT89S52 Evaluation Board with 128*64 LCD Module

Microcontroller is 8051 AT89S52 40-pin compatible mcu
Crystal frequency in 11.0592MHz
ISP in-system programming port compatible with the original ATMEL ISP cable
AMS1117-5V voltage regulator
MAX232 for debug and communication with a PC for data analysis
Sensirion SHT10 digital humidity and temperature sensor
Philips PCF8563 Real-time-clock with 0.047F super cap for power backup
Atmel 24C256 EEPROM (256kbits, 32kbyte)
5-way navigator joystick
Piezo sounder with amplification circuit
40-pin IDE-cable compatible extension port for xdata ROM/RAM extension. Selection jumper for EA pin shorted to ground or +5V available
JHD12864J dot-matrix monochrome LCD with MOSFET control on backlight power. Controller is Samsung KS0108B
1.6mm double-side PCB with silk-screen printing, size 125mmx88mm