W78LE58 Description
The W78LE58 is an 8-bit microcontroller which has an in-system programmable FLASH-ROM for firmware updating. The instruction set of the W78LE58 is fully patible with the standard 8052. The W78LE58 contains a 32K bytes of main FLASH-ROM and a 4K bytes of auxiliary FLASH-ROM which allows the contents of the 32KB main FLASH-ROM to be updated by the loader program located at the 4KB auxiliary FLASH-ROM;.
W78LE58 Key Features
- Fully static design 8-bit CMOS microcontroller
- 32K bytes of in-system programmable FLASH-ROM for Application Program (APROM)
- 4K bytes of auxiliary FLASH-ROM for Loader Program (LDROM)
- 512 bytes of on-chip RAM. (including 256 bytes of AUX-RAM, software selectable)
- 64K bytes program memory address space and 64K bytes data memory address space
- Four 8-bit bi-directional ports
- One 4-bit multipurpose programmable port
- Three 16-bit timer/counters
- One full duplex serial port
- Eight-sources, two-level interrupt capability