80CL51 Overview
Philips Semiconductors Low-voltage single-chip 8-bit microcontrollers Product specification 80CL31/80CL51.
80CL51 Key Features
- Full static 80C51 CPU
- 8-bit CPU, ROM, RAM, 1/0 in a single 40-lead DIL / mini-pack
- 4K x 8 ROM, expandable externally to 64K bytes
- 128 bytes RAM, expandable externally to 64K bytes
- Four 8-bit ports, 321/0 lines
- Two 16-bit timer / event counters
- On-chip oscillator suitable for RC, LC, quartz crystal or ceramic
- Thirteen source, thirteen vector interrupt structure with two priority
- Full duplex serial port (UART)
- non-page oriented instructions