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Microcontroller AT89C5131 Board

 

Reference

http://www.futurlec.com/USBDevBoard.shtml
 

Microcontroller AT89C2051 Board

The Atmel AT89C2051 is an 8051-based Fully Static 24MHz CMOS controller with 15 I/O Lines, 2 Timers/Counters, 6 Interrupts/2 Priority Levels, Analog Comparator, LED Drive Outputs, UART, Two-level Program Memory Lock, 2K Bytes Flash Memory, 128 Bytes On-chip RAM.

Reference

http://chaokhun.kmitl.ac.th/~kswichit/easy1/easy.htm
http://www.airborn.com.au/pcb01/hseti1.html
http://www.keil.com/dd/chip/2984.htm