Description
The 7540 Group is the 8-bit microcomputer based on the 740 family
core technology.The 7540 Group has a serial I/O, 8-bit timers, a 16-bit timer, and an
A-D converter, and is useful for control of home electric appliances
and office automation equipment..
Features
- Basic machine-language instructions 71.
- The minimum instruction execution time 0.50 µs
(at 8 MHz oscillation frequency for the shortest instruction).
- Memory size ROM 16K to 32K bytes
RAM 512 to 768 bytes.
- Programmable I/O ports 29
(25 in 32-pin version).
- Interrupts 15 so.