BU97950FUV Datasheet, PDF (11/25 Pages) Rohm – Standard LCD Segment Drivers

BU97950FUV MAX 280 segments (SEG35×COM8)
○Display control (DISCTL)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
C
１
１
０
P3 P2 P1 P0
Set Power save mode FR.
Power save mode FR
Normal mode (80Hz)
Power save mode1 (71Hz)
Power save mode2 (64Hz)
Power save mode3 (50Hz)
P３ P２
0
0
0
1
1
0
1
1
Reset initialize condition
○
＊Operation current decrease in
Normal mode > Power save mode1 > Power save mode2 > Power save mode 3 order.
Set Power save mode SR.
Setup
Power save mode 1
Power save mode 2
Normal mode
High power mode
P1 P0
0
0
0
1
1
0
1
1
Reset initialize condition
○
＊Operation current increase in order of
Power save mode 1 < Power save mode 2 < Normal mode < High power mode order.
Note:
Power save mode FR / LCD drive waveform / Power save mode SR will affect the display image.
Select the best value depending on the current consumption and display image using LCD panel
(under real application).
Mode
Power save mode FR
LCD drive waveform (ICSET)
Power save mode SR
Flicker
○
○
-
Display grade/Contrast
-
○
○
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08.Sep.2015 Rev.004