MSM64152A

E2E0028-38-95 ¡ Semiconductor MSM64152A/64152AL ¡ Semiconductor This version: Sep. 1998 MSM64152A/64152AL Previous version: Mar. 1996 4-Bit Microcontroller with Built-in LCD Driver and Melody Circuit GENERAL DESCRIPTION The MSM64152A (1.5 V)/64152AL (3.0 V) is a high-performance 4-bit microcontroller that incorporates Oki-original CPU core nX-4/20. The MSM64152A/64152AL has an LCD driver for up to 104 segments, an event counter, and a melody circuit. It is best suited for applications such as clocks and LCD games. FEATURES Operating range Operating voltage Operating temperature Operating frequency : 1.5 V/3.0 V : –40 to +70 °C : 32.768 kHz crystal oscillation Approx. 32 kHz RC oscillation Supply current (Typ.) : 0.9 mA (3.0 V at HALT mode) Minimum instruction execution time : 91 ms General memory space : 1504 bytes Local memory space : 128 nibbles LCD driver : 30 Common driver ¥ 4 Segment driver ¥ 26 1/4 duty, 1/3 bias; 104 segments (26 ¥ 4) 1/3 duty, 1/3 bias; 78 segments (26 ¥ 3) I/O port Input-output port : 1 port ¥ 4 bits (open-drain output/CMOS output selectable; pull-down resistor input/high-impedance input selectable) Input port : 1 port ¥ 4 bits (pull-down resistor input/high-impedance input selectable) Output port : 1 port ¥ 4 bits (CMOS output) Event counter : 1 channel Melody output :1 Interrupts : 7 sources External 2, time base 4, melody 1 Package: 60-pin plastic QFP (QFP60-P-1519-1.00-K) : (Product name : MSM64152A-¥¥¥GS-K, MSM64152AL-¥...