BU97550KV-M Datasheet, PDF (23/72 Pages) Rohm – AEC-Q100 Qualified

BU97550KV-M
Datasheet
11. PF0, PF1, PF2, and PF3: PWM output waveform frame frequency setting control data
These control data bits set the frame frequency for pwm output waveforms.
PF0
PF1
PF2
PF3
PWM output Frame Frequency fp(Hz)
0
0
0
0
fosc / 4096
0
0
0
1
fosc / 3840
0
0
1
0
fosc / 3584
0
0
1
1
fosc / 3328
0
1
0
0
fosc / 3072
0
1
0
1
fosc / 2816
0
1
1
0
fosc / 2560
0
1
1
1
fosc / 2304
1
0
0
0
fosc / 2048
1
0
0
1
fosc / 1792
1
0
1
0
fosc / 1536
1
0
1
1
fosc / 1280
1
1
0
0
fosc / 1024
1
1
0
1
fosc / 768
1
1
1
0
fosc / 512
1
1
1
1
fosc / 256
12. CT0, CT1, CT2 and CT3: Display Contrast setting control data
These control data bits set display contrast
CT0
CT1
CT2
CT3
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
LCD Drive bias voltage for VLCD Level
1.000*VDD
0.975*VDD
0.950*VDD
0.925*VDD
0.900*VDD
0.875*VDD
0.850*VDD
0.825*VDD
0.800*VDD
0.775*VDD
0.750*VDD
0.725*VDD
0.700*VDD
0.675*VDD
0.650*VDD
0.625*VDD
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TSZ22111・15・001
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TSZ02201-0P4P0D300980-1-2
30.Mar.2015 Rev.001