MSM64158A Description
1998 MSM64158A/64158AL Previous version: 1996 4-Bit Microcontroller with Built-in LCD Driver and Melody Circuit The MSM64158A (1.5 V)/64158AL (3.0 V) is a high-performance 4-bit microcontroller that incroporates Oki-original CPU core nX-4/20. The MSM64158A/64158AL has an LCD driver for up to 144 segments, an event counter, and a melody circuit.
MSM64158A Key Features
- Operating range Operating voltage Operating temperature Operating frequency Supply current (Typ.)
- Minimum instruction execution time
- General memory space
- Local memory space
- 4 Segment driver
- 36 1/4 duty, 1/3 bias; 144 segments (36
- 4) 1/3 duty, 1/3 bias; 108 segments (36
- 3) : 1 port
- 4 bits (open drain output/CMOS output selectable; pull-down resistor input/highimpedance input selectable) : 1 port
- 2 bits (pull-down resistor input /highimpedance input selectable) 1 port