MBL8051AH

Advanced Products MBL8051AH, MBL8031AH NMOS Single-Chip a-Bit Microcomputer FUJITSU October 1986 Edition 3.0 Description The Fujitsu MBL8051 AH/8031 AH are single-chip 8-bit microcomputers developed as members of the MBL8051 Series. These microcomputers have powerful architecture and instruction set designed for controller applications. The MBL8051AH contains a 4K x 8-bit program memory (mask ROM), a 128 x 8-bit data memory (static RAM), 32 I/O lines configured as four 8-bit parallel ports, two programmable 16-bit timer/counters, a programmable serial I/O port, a five-source two-priority-Ievel multi-interrupt function, and on-chip oscillator with clock circuitry. The MBL8031AH has all of these features except the on-chip memory. The MBL8051 AH/MBL8031 AH can have up to 64K x 8-bit program memory and up to (64K + 128) x 8-bit data memory in expanded system configuration. Both microcomputers can use standard TTL compatible memories and most byte-oriented Intel MCS-80' and MCS-85'...