87C451
Description
The Philips 8XC451 is an I/O expanded single-chip microcontroller fabricated with Philips high-density CMOS technology.
Key Features
- 80C51 based architecture
- Seven 8-bit I/O ports
- Port 6 features
- Eight data pins - Four control pins - Direct MPU bus interface - Parallel printer interface SU00084A
- On the microcontroller
- External memory addressing capability
- 64k ROM and 64k RAM
- Low power consumption
