LC75897PW Datasheet, PDF (26/34 Pages) Sanyo Semicon Device – 1/3, 1/4-Duty General-Purpose LCD Display Driver

PWM output port waveforms
LC75897PW
P1
(1)
P2
P3
P1
(2)
P2
P3
P1
(3)
P2
P3
(56/64)×Tp
(48/64)×Tp
(40/64)×Tp
(8/64)×Tp
(16/64)×Tp
(24/64)×Tp
(32/64)×Tp
(32/64)×Tp
(32/64)×Tp
Tp
(56/64)×Tp
(48/64)×Tp
(40/64)×Tp
(8/64)×Tp
(16/64)×Tp
(24/64)×Tp
(32/64)×Tp
(32/64)×Tp
(32/64)×Tp
Tp
VLCD
VSS
VLCD
VSS
VLCD
VSS
VLCD
VSS
VLCD
VSS
VLCD
VSS
VLCD
VSS
VLCD
VSS
VLCD
VSS
1
Tp= _fp
Control data
PWM output
W10 W11 W12 W13 W14 W15 W20 W21 W22 W23 W24 W25 W30 W31 W32 W33 W34 W35 ^{port waveforms}
1
1
1
0
1
1
1
1
1
1
0
1
1
1
1
0
0
1
(1)
1
1
1
0
0
0
1
1
1
1
0
0
1
1
1
0
1
0
(2)
1
1
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
0
(3)
Control data
PF0
PF1
PF2
0
0
0
1
0
0
0
1
0
1
1
0
0
0
1
1
0
1
0
1
1
1
1
1
Control data
PS40
PF41
0
1
1
1
PWM output waveform
frame frequency fp [Hz]
fosc/1536, fCK/1536
fosc/1408, fCK/1408
fosc/1280, fCK/1280
fosc/1152, fCK/1152
fosc/1024, fCK/1024
fosc/896, fCK/896
fosc/768, fCK/768
fosc/640, fCK/640
Clock output port P4
clock signal frequency
fc (=1/Tc) [Hz]
Clock output port (fosc/2, fCK/2)
Clock output port (fosc/8, fCK/8)
Clock output port waveform
P4
Tc/2
Tc
1
Tc= _fc
No.A0549-26/34