LC75879PT_13 Datasheet, PDF (30/35 Pages) ON Semiconductor – LCD Display Driver

LC75879PT
Control data
PWM output waveform frame frequency fp[Hz]
Internal oscillator operating mode
External clock operating mode
PF0
PF1
PF2
PF3
(The control data OC is 0,
(The control data OC is 1 and
fosc=300[kHz] typ)
EXF is 0, fCK1=300[kHz] typ)
0
0
0
0
fosc/1536
fCK1/1536
1
0
0
0
fosc/1408
fCK1/1408
0
1
0
0
fosc/1280
fCK1/1280
1
1
0
0
fosc/1152
fCK1/1152
0
0
1
0
fosc/1024
fCK1/1024
1
0
1
0
fosc/896
fCK1/896
0
1
1
0
fosc/768
fCK1/768
1
1
1
0
fosc/640
fCK1/640
0
0
0
1
fosc/512
fCK1/512
1
0
0
1
fosc/384
fCK1/384
0
1
0
1
fosc/256
fCK1/256
Note: When is setting (PF0,PF1,PF2,PF3)=(1,1,0,1) and (X,X,1,1), the frame frequency is same as frame frequency at
the time of the (PF0,PF1,PF2,PF3)=(1,0,1,0) setting (fosc/896, fCK1/896).
X: don’t care
Clock output waveforms
P1
1
Tc= _fc
Tc/2
Tc
Control data
PS10
PS11
1
0
0
1
Clock frequency of clock output P1
fc(=1/Tc)[Hz]
Clock output function (fosc/2, fCK/2)
Clock output function (fosc/8, fCK/8)
No.A1687-30/35