MSM9004-04

E2B0015-27-Y2 ¡ Semiconductor MSM9004-03/04 ¡ Semiconductor This version: Nov. 1997 MSM9004-03/04 Previous version: Mar. 1996 1/4 DUTY LCD DRIVER WITH 4-DOT COMMON DRIVER AND 50-DOT SEGMENT DRIVER GENERAL DESCRIPTION The MSM 9004-03/04 is an LCD driver for dynamic display with a 1/4 duty and 50-dot segment driver. It can display up to 200 segments. FEATURES Logic power supply voltage (VDD) LCD drive power supply voltage (VLCD) Serial transfer clock frequency LCD output resistance Common driver Segment driver Display duty LCD segment output Maximum number of display segments Display blanking terminal attached Operating temperature range Interface with microcontroller MSM9004-03 MSM9004-04 System clock MSM9004-03 MSM9004-04 Package: 64-pin plastic QFP (QFP 64-P-1414-0.80-BK) : 5.0 V ± 10% : 3.7 V to 5.5 V : 2 MHz max. : 20 kW : 60 kW : 1/4 : 50 : 200 segments max. : –40 to +85˚C : LOAD, DATA, CLOCK1, CLOCK2 : LOAD, DATA, CLOCK2 : external input : internal oscillation circuit (external resistor and capacitor required) (Product name : MSM9004-03GS-BK) (Product name : MSM9004-04GS-BK) Comparison of device codes with functions Function LCD segment output Device code MSM9004-01 MSM9004-02 MSM9004-03 MSM9004-04 50 — — — — — — — — — 49 1/3 Duty 1/4 System clock External input Internal oscillation circuit — 1/15 ¡ Semiconductor MSM9004-03/04 BLOCK DIAGRAM MSM9004-03 SEG1 VDD BLANK VLC1 VLC2 VLC3 COM1 COM2 COM3 COM4 SEG50 50-DOT SEGMENT DRIVER TIMIN...