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)      : 5.0 V ± 10%
• LCD drive power supply voltage (VLCD) : 3.7 V to 5.5 V
• Serial transfer clock frequency       : 2 MHz max.
• LCD output resistance
   Common driver  : 20 kW
   Segment driver : 60 kW
• Display duty : 1/3, 1/4 selectable
• LCD segment output : 49
• Maximum number of display segments
   For 1/3 duty : 147 segments max.
   For 1/4 duty : 196 segments max.
• Display blanking terminal attached
• Operating temperature range : –40 to +85˚C
• Interface with microcontroller
   MSM9004-01 : LOAD, DATA, CLOCK1, CLOCK2
   MSM9004-02 : LOAD, DATA, CLOCK2
• System clock
   MSM9004-01 : external input
   MSM9004-02 : internal oscillation circuit (external resistor and capacitor required)
• Package:
   64-pin plastic QFP (QFP64-P-1414-0.80-BK) (Product name : MSM9004-01GS-BK)
                                                            (Product name : MSM9004-02GS-BK)
• Comparison of device codes and functions