M37549 Key Features
- Basic machine-language instructions
- The minimum instruction execution time
- 0.25 µs (at 8 MHz oscillation frequency, double-speed mode)
- Memory size ROM
- 2 K, 4K, 6 K bytes RAM
- 192/256 bytes
- Programmable I/O ports I/O port
- 19 Output port
- Key-on wakeup
- LED direct drive port