Description
The UM8051/8031 is a stand-alone, high-performance single-chip computer fabricated with UMC's highly-reliable +5 Volt, NMOS technology and packaged in a 40-pin DIP.
Features
- 4K x BROM.
- 128 x 8 RAM.
- Four 8-bit ports, 32 I/O lines.
- Two 16-bit timer/event counters.
- High-performance full-duplex serial channel.
- External memory expandable to 128K.
- Boolean processor.
- UM8048 architecture enhanced with:.
- Non-paged jumps.
- Direct addressing.
- Four 8-register banks.
- Stack depth up to 128 -bytes.
- Multiply, divide, subtract, compare.
- Most instructions exe.
UM8051 Datasheet
