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AN #01 - Evaluation board for the AT89C2051 and AT89C4051
This board is intended for the AT89C2051 but also supports the AT89C4051.
It supports the following hardware :
- RS-232 interface, DB-9
- Header for LCD display
- I2C, PCF8574 I/O extender
- AT24C04, I2C EEPROM