87C552 Description
The 87C552 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The 87C552 has the same instruction set as the 80C51. Three versions of the derivative exist:.
87C552 Key Features
- 80C51 central processing unit
- 8k × 8 EPROM expandable externally to 64k bytes
- An additional 16-bit timer/counter coupled to four capture registers
- Two standard 16-bit timer/counters
- 256 × 8 RAM, expandable externally to 64k bytes
- Capable of producing eight synchronized, timed outputs
- A 10-bit ADC with eight multiplexed analog inputs
- Two 8-bit resolution, pulse width modulation outputs
- Five 8-bit I/O ports plus one 8-bit input port shared with analog
- I2C-bus serial I/O port with byte oriented master and slave