P80C51X2
Description
The Philips microcontrollers described in this data sheet are high-performance static 80C51 designs incorporating Philips’ high-density CMOS technology with operation from 2.7 V to 5.5 V. They support both 6-clock and 12-clock operation.
Key Features
- 80C51 Central Processing Unit - 4 kbytes ROM/EPROM (80/87C51X2) - 8 kbytes ROM/EPROM (80/87C52X2) - 16 kbytes ROM/EPROM (80/87C54X2) - 32 kbytes ROM/EPROM (80/87C58X2) - 128 byte RAM (80/87C51X2 and 80C31X2) - 256 byte RAM (80/87C52/54X2/58X2 and 80C32X2) - Boolean processor - Fully static operation - Low voltage (2.7 V to 5.5 V at 16 MHz) operation
- 12-clock operation with selectable 6-clock operation
- Memory addressing capability - 64 kbytes ROM and 64 kbytes RAM
- Encryption array - 64 bytes
- 4 interrupt priority levels
- 6 interrupt sources
- Four 8-bit I/O ports
- Full-duplex enhanced UART - Framing error detection - Automatic address recognition
- Power control modes: - Clock can be stopped and resumed - Idle mode - Power-down mode
- Three 16-bit timers/counters T0, T1 (standard 80C51) and additional T2 (capture and compare)
