FEATURES
⢠80C51 central processing unit
⢠8k à 8 ROM expandable externally to 64k bytes
⢠256 à 8 RAM, expandable externally to 64k bytes
⢠Two standard 16-bit timer/counters
⢠Four 8-bit I/O ports
⢠I2C-bus serial I/O port with byte oriented master and slave functions
⢠Full-duplex UART facilities
⢠Power control modes
â Idle mode
â Power-down mode
⢠ROM code protection
⢠Extended frequency range: 3.5 to 24 MHz
⢠Three operating ambient temperature ranges:
0 to +70°C
â40 to +85°C
â40 to +125°C
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