W79E648
Description
The W79E648 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
- Seven 8-bit I/O Ports
- One extra 4-bit I/O ports, chip select, reboot fuction
- Three 16-bit Timers
- 7 interrupt sources with two levels of priority
- On-chip oscillator and clock circuitry
- One enhanced full duplex serial port
- Dual 64KB In-System Programmable Flash EPROM banks (AP Flash EPROM 0 and AP Flash EPROM
- 4KB Auxiliary Flash EPROM for loader program (LD Flash EPROM)
