MB90F244
Key Features
- Minimum execution time (target): 40.0 ns at 50 MHz oscillation (3.3 V ±0.3 V)
- Instruction set optimized for controller applications Variety of data types: bit, byte, word, long-word Expanded addressing modes: 25 types High coding efficiency Improvement of high-precision arithmetic operations through use of 32-bit accumulator Enhanced multiplication and division instructions (signed arithmetic operations)
- Improved execution speed: 8-byte queue
- Powerful interrupt functions Interrupt processing time: 0.64 µs at 50 MHz oscillation Priority levels: 8 levels (programmable) External interrupt inputs: 4 channels
- Automatic transfer function independent of CPU Extended intelligent I/O service: Max.15 channels
- 128-Kbyte flash memory Access time (min.) : 80 ns Sector structure of 16K + 512 × 2 + 7K + 8K + 32K + 64K Program/erase operations from both EPROM programmer and CPU through built-in flash memory interface circuit Built-in programming booster circuit for flash memory
- Internal RAM: 1.152 kbyte According to mode settings, data stored on RAM can be executed as CPU instructions.
- General-purpose ports: Max. 63 channels (single-chip mode) Max. 38 channels (external bus mode)
- 18-bit timebase timer
- Watchdog timer
