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BU97931FV-LB Datasheet, PDF (22/32 Pages) Rohm – Multifunction LCD Segment Driver
BU97931FV-LB MAX 112 segments (SEG28×COM4)
Initialize Sequence
Recommended input sequence is listed below, before starting LCD driving.
(Refer to Power ON/OFF sequence)
Input voltage supply
↓
CSB ’H’
…interface initializing
↓
CSB ’L’
…interface command sending
↓
SWRST …software reset
↓
MODESET
…Display off
↓
Various commands setting
↓
RAM WRITE
↓
Blink RAM WRITE
↓
MODESET
…Display on
↓
Start LCD driving
Datasheet
Before initializing sequence, DDRAM address, DDRAM data, Blink address and Blink data are random.
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