LC74780(2001) データシートの表示（PDF） - SANYO -> Panasonic
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LC74780 Datasheet PDF : 14 Pages
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LC74780, 74780M
COMMAND6: second byte
DA0 to
DA7
0
1
2
3
4
5
6
7
Register name
SN0
SN1
SN2
SN3
RN0
RN1
RN2
Status
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Register Contents
Function
SN3 SN2 SN1 SN0
0
0
0
0
0
0
0
1
0
0
1
0
0
1
0
0
1
0
0
0
Detection frequency
No detection
32 times
64 times
128 times
256 times
RN2
0
0
0
1
RN1
0
0
1
0
RN0
0
1
0
0
Second byte identification bit
Detection frequency
0 times
4 times
8 times
16 times
Note
On system reset with RST, the status of all registers is set to 0.
COMMAND7: Display Control Setting Command
COMMAND7: first byte
DA0 to
DA7
Register name
Status
0
0
PD0
1
0
1
EX0
1
0
2
PD1
1
0
3
EX1
1
4
1
5
1
6
1
7
1
Register Contents
Function
LOW-level output
HIGH-level output
MODE0 settings output
PORT DATA0 settings output
LOW-level output
HIGH-level output
MODE1 settings output
PORT DATA1 settings output
COMMAND7 identification code
Note
On system reset with RST, the status of all registers is set to 0.
Remarks
External sync signal detection
control determines when the
signal goes from ON to OFF.
Selects the sampling period, in
units of the horizontal sync signal
cycle (1H), for which the sync
continues and cannot be detected.
External sync signal detection
control determines when the
signal goes from OFF to ON.
Selects the sampling period, in
units of the horizontal sync signal
cycle (1H), for which the sync
continues and can be detected.
Remarks
Switches CSYNOUT
Switches SEPOUT
No.4490–11/14
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