W77E516A
Description
The W77E516 is a fast 8051 patible microcontroller with a redesigned processor core without wasted clock and memory cycles.
Key Features
- 8-bit CMOS microcontroller
- High speed architecture of 4 clocks/machine cycle runs up to 40 MHz
- 64KB on-chip Flash-EPROM
- Four 8-bit I/O Ports; Port 0 has internal pull-up resisters enabled by software
- One extra 4-bit I/O port and Wait State control signal (available on 44-pin PLCC/QFP package)
- Three 16-bit Timers
- 12 interrupt sources with two levels of priority
- On-chip oscillator and clock circuitry
- Two enhanced full duplex serial ports
- 64KB In-system Programmable Flash EPROM (APROM)
