M37549
Description
The 7549 Group is the 8-bit microputer based on the 740 family core technology.
Key Features
- 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
- Interrupts ............................................. 13 sources, 13 vectors
- Serial interface............................................................ 8-bit × 1 (UART or clock synchronous)
- A/D converter ............................ 10-bit resolution × 8-channel
- High-speed on-chip oscillator ............................ Typ. : 4 MHz
- Low-speed on-chip oscillator .......................... Typ. : 250 kHz
- Watchdog timer ...................................................... 16-bit × 1
- Power-on reset circuit.......................................... Built-in type
- Low voltage detection circuit .............................. Built-in type
