Description
The 7531 Group is the 8-bit microcomputer based on the 740 family
core technology.The 7531 Group has a serial I/O, 8-bit timers, and an A-D converter,
and is useful for control of home electric appliances and office auto-
mation equipment.
Features
- Basic machine-language instructions 69.
- The minimum instruction execution time 0.50 µs
(at 8 MHz oscillation frequency for the shortest instruction, in high-
speed mode).
- Memory size ROM 8K to 16K bytes
RAM 256 to 384 bytes.
- Programmable I/O ports 29
(25 in 32-pin version).
- Interrupts 12 sources, 8 vectors
(11 sources, 8 vectors for 32-pin version).
- Timers.