CMOS 0 to 44 MHz Single Chip 8-bit Microntroller
• 8051 Central Processing Unit
– 128 × 8 RAM (80C31)
– 256 × 8 RAM (80C32)
– Three 16-bit counter/timers
– Boolean processor
– Full static operation
– Low voltage (2.7 V to 5.5 V@ 16 MHz) operation
• Memory addressing capability
– 64k ROM and 64k RAM
• Power control modes:
– Clock can be stopped and resumed
– Idle mode
– Power-down mode
• CMOS and TTL compatible
• TWO speed ranges at VCC = 5 V
– 0 to 16 MHz
– 0 to 33 MHz
• Three package styles
• Extended temperature ranges
• Dual Data Pointers
• 4 level priority interrupt
• 6 interrupt sources
• Four 8-bit I/O ports
• Full–duplex enhanced UART
– Framing error detection
– Automatic address recognition
• Programmable clock out
• Asynchronous port reset
• Low EMI (inhibit ALE)
• Wake-up from Power Down by an external interrupt
Datenblatt:
P80C32.pdf