
Oki Electric Industry
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) : 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 kΩ
Segment driver : 60 ΩW
• Display duty : 1/4
• LCD segment output : 50
• Maximum number of display segments : 200 segments max.
• Display blanking terminal attached
• Operating temperature range : –40 to +85˚C
• Interface with microcontroller
MSM9004-03 : LOAD, DATA, CLOCK1, CLOCK2
MSM9004-04 : LOAD, DATA, CLOCK2
• System clock
MSM9004-03 : external input
MSM9004-04 : internal oscillation circuit (external resistor and capacitor required)
• Package:
64-pin plastic QFP (QFP 64-P-1414-0.80-BK) (Product name : MSM9004-03GS-BK)
(Product name : MSM9004-04GS-BK)
• Comparison of device codes with functions