W79E633A
Description
The W79E633 is a fast, 8051/52-patible microcontroller with a redesigned processor core that eliminates wasted clock and memory cycles.
Key Features
- Fully-static-design 8-bit Turbo 51 CMOS microcontroller up to 40MHz
- 128-KB of in-system-programmable Flash EPROM (AP Flash EPROM)
- 4-KB of Auxiliary Flash EPROM for the loader program (LD Flash EPROM)
- 1-KB auxiliary RAM, software-selectable, accessed by MOVX instruction
- 256 bytes of scratch-pad RAM
- Four 8-bit bi-directional ports; Port 0 has internal pull-up resisters enabled by software
- All pins with Schmitt trigger inputs
- One 4-bit multipurpose I/O port4 with Chips select(CS) and boot function
- Three 16-bit timers
- 6 channel of 8-bit PWM
