BU97931FV Datasheet, PDF (18/32 Pages) Rohm – Multifunction LCD Segment Driver

BU97931FV MAX 112 segments (SEG28×COM4)
○GPO output set command (GPOSET)
MSB
LSB
D/C D6 D5 D4 D3 D2 D1 D0 Hex
1st byte Command
1
0
0
1
1
0
1
0 9Ah
2nd byte Command
0
0
0 P4 P3 P2 P1 P0
-
Reset
-
00h
Set GPO output data. The relation between SEG port (GPO port) and data is shown below.
GPOSET data
P0
P1
P2
P3
P4
GPO port
GPO0
GPO1
GPO2
GPO3
GPO4
SEG port
SEG27
SEG26
SEG25
SEG24
SEG23
GPO data output is asynchronous from frame cycle.
GPO output is not affectedby Display ON/OFF state.
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