BU91510KV-M Datasheet, PDF (13/32 Pages) Rohm – Multi- function LCD Segment Drivers

BU91510KV-M
Datasheet
9. PF0, PF1, PF2, PF3: PWM output waveform frame frequency switching 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/2048
0
0
0
1
fosc/1920
0
0
1
0
fosc/1792
0
0
1
1
fosc/1664
0
1
0
0
fosc/1536
0
1
0
1
fosc/1408
0
1
1
0
fosc/1280
0
1
1
1
fosc/1152
1
0
0
0
fosc/1024
1
0
0
1
fosc/896
1
0
1
0
fosc/768
1
0
1
1
fosc/640
1
1
0
0
fosc/512
1
1
0
1
fosc/384
1
1
1
0
fosc/256
1
1
1
1
fosc/128
10.W10～W15, W20～W25, W30～W35, W40～W45, W50～W55, W60～W65: PWM output waveform duty switching control
data
These control data bits set the high level pulse width(duty) for PWM output waveforms.
Wn0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Wn1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Wn2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Wn3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Wn4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Wn5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
PWM duty
(1/64) x Tp
(2/64) x Tp
(3/64) x Tp
(4/64) x Tp
(5/64) x Tp
(6/64) x Tp
(7/64) x Tp
(8/64) x Tp
(9/64) x Tp
(10/64) x Tp
(11/64) x Tp
(12/64) x Tp
(13/64) x Tp
(14/64) x Tp
(15/64) x Tp
(16/64) x Tp
(17/64) x Tp
(18/64) x Tp
(19/64) x Tp
(20/64) x Tp
(21/64) x Tp
(22/64) x Tp
(23/64) x Tp
(24/64) x Tp
(25/64) x Tp
(26/64) x Tp
(27/64) x Tp
(28/64) x Tp
(29/64) x Tp
(30/64) x Tp
(31/64) x Tp
(32/64) x Tp
Wn0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Wn1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Wn2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Wn3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Wn4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Wn5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
PWM duty
(33/64) x Tp
(34/64) x Tp
(35/64) x Tp
(36/64) x Tp
(37/64) x Tp
(38/64) x Tp
(39/64) x Tp
(40/64) x Tp
(41/64) x Tp
(42/64) x Tp
(43/64) x Tp
(44/64) x Tp
(45/64) x Tp
(46/64) x Tp
(47/64) x Tp
(48/64) x Tp
(49/64) x Tp
(50/64) x Tp
(51/64) x Tp
(52/64) x Tp
(53/64) x Tp
(54/64) x Tp
(55/64) x Tp
(56/64) x Tp
(57/64) x Tp
(58/64) x Tp
(59/64) x Tp
(60/64) x Tp
(61/64) x Tp
(62/64) x Tp
(63/64) x Tp
(64/64) x Tp
Note:W10～W15:S1/P1/G1 PWM duty data
W20～W25:S2/P2/G2 PWM duty data
W30～W35:S3/P3/G3 PWM duty data
W40～W45:S4/P4/G4 PWM duty data
W50～W55:S5/P5/G5 PWM duty data
W60～W65:S6/P6/G6 PWM duty data
n = 1～6
Tp = 1/fp
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8.July.2015 Rev.001