MSM9004-02

E2B0014-27-Y2 ¡ Semiconductor MSM9004-01/02 ¡ Semiconductor This version: Nov. 1997 MSM9004-01/02 Previous version: Mar. 1996 1/3, 1/4 DUTY LCD DRIVER WITH 4-DOT COMMON DRIVER AND 49-DOT SEGMENT DRIVER GENERAL DESCRIPTION The MSM 9004-01/02 is an LCD driver for dynamic display with a 1/3 or 1/4 duty select function. When the 1/3 duty is selected, it can display up to 147 segments, and when the 1/4 duty is selected, up to 196 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 For 1/3 duty For 1/4 duty Display blanking terminal attached Operating temperature range Interface with microcontroller MSM9004-01 MSM9004-02 System clock MSM9004-01 MSM9004-02 Package: 64-pin plastic QFP (QFP64-P-1414-0.80-BK) Comparison of device codes and functions Function LCD segment output Device code MSM9004-01 MSM9004-02 MSM9004-03 MSM9004-04 50 — — — — — — — — — 49 1/3 : 5.0 V ± 10% : 3.7 V to 5.5 V : 2 MHz max. : 20 kW : 60 kW : 1/3, 1/4 selectable : 49 : 147 segments max. : 196 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 : MSM9004-01GS-BK) (Product name : MSM9004-02GS-BK) Duty 1/4 System clock External input Internal oscillation circuit —...