BU97930MUV_15 Datasheet, PDF (22/32 Pages) Rohm – Multifunction LCD Segment Driver

BU97930MUV MAX 108 segments (SEG27×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
↓
SWRESET …software reset
↓
MODESET …Display off
↓
Various commands setting
↓
RAM WRITE
↓
Blink RAM WRITE
↓
MODESET …Display on
↓
Start LCD driving
*Before initializing sequence, DDRAM address, DDRAM data, Blink address and Blink data are random.
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