BU97941FV Datasheet, PDF (16/25 Pages) Rohm – Multifunction LCD Segment Driver

BU97941FV MAX 104 segments (SEG26×COM4)
Datasheet
●Initialization Sequence
Execute the following sequence after power supply and start display after the IC has initialized.
Power supply
↓
CSB ‘H’ …Initialize I/F
↓
CSB ‘L’ …Start I/F Data Transfer
↓
Execute Software Reset from SWRST command
↓
MODESET (Display off)
↓
Various command setting
↓
RAM WRITE
↓
MODESET (Display on)
↓
Start display
＊After inserting power supply, each register value, DDRAM address and DDRAM data until Initialization sequence are
random.
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