LC75857E Datasheet, PDF (4/39 Pages) Sanyo Semicon Device – CMOS IC 1/3, 1/4 Duty LCD Display Drivers with Key Input Function

LC75857E, LC75857W
VLCD
VLCD1
VLCD2
To the common segment driver
Excluding these registors.
Figure 1
1. Serial data I/O timing when CL is stopped at the low level
CE
VIH1
CL ^50%
VIL1
tr
VIH1
DI
VIL1
tds
DO
tø H
tdh
tø L
tf
VIH1
tcp tcs
tdc
D0
Figure 2
2. Serial data I/O timing when CL is stopped at the high level
VIH1
CE
tø L tø H
VIH1
CL
50%
VIL1
tf
DI
tr
tcp tcs
VIH1
VIL1
tds
tdh
DO
D0
D1
tdc
3. OSC pin clock timing in external clock mode
Figure 3
VIL1
tch
tdr
D1
VIL1
tch
tdr
tCKH
tCKL
OSC
VIH3
50%
VIL3
fCK
=
1
tCKH +
tCKL
[kHz]
DCK
=
tCKH
tCKH + tCKL
×100[%]
Figure 4
No. 7980-4/39