W78E858
Description
The W78E858 is an 8-bit microcontroller which has an in-system programmable Flash EPROM for firmware updating.
Key Features
- Fully static design 8-bit CMOS micro-controller up to 40 MHz
- 32K bytes of in-system programmable FLASH EPROM for Application Program (APROM)
- 4K bytes of auxiliary FLASH EPROM for Loader Program (LDROM)
- Low standby current at full supply voltage
- 256 + 512 bytes of on-chip RAM
- 128 bytes on-chip EEPROM memory
- 64K bytes program memory address space and 64K bytes data memory address space
- Four 8-bit bi-directional ports
- One 4-bit bi-directional port
- Extra interrupts INT2 to INT9 at PORT1
