89s51 Development board Microcontroller Programm Downloader
controller 89c51 89c52 89s51 89s52
1. All leads P0 P1 P2 P3 interface pin header, P0 pull-up resistor.
2. There is 5V power connector, pin and DC5
3. There are power indicator
4.12MHz crystal oscillator
5. The convenient interface RXD TXD GND STC microcontroller serial download.
6. There ATMEL ISP download port for easy AT89S series microcontroller downloaded.
7. There are self-locking power switch
8. There reset button
9. locking seat for easy replacement chip
10. APCB size 40mm X 88mm
11. There are four positioning mounting screw holes
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