lc74761m Sanyo Semiconductor Corporation, lc74761m Datasheet - Page 13

• Manufacturer Part Number: lc74761m
• Description: On-screen Display Lsi
• Manufacturer: Sanyo Semiconductor Corporation

9 COMMAND71: Display Control Setting Command 5
First byte
Second byte
Note: When the chip is reset by the RST pin, the register states (bits) are all cleared to 0.
10 COMMAND72: Display Control Setting Command 6
First byte
DA0 to DA7
DA0 to DA7
DA0 to DA7
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Register name
Register name
Register name
PORTSET
PORTSET
EGMODE
2SELECT
SELECT2
SELECT1
VSEPsel
VINPsel
VNPsel
LINS
VMN
LINS
SEL
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
State
State
State
1
1
1
1
0
1
0
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
1
1
1
1
0
0
0
1
The command 7 identification code: sets display
control parameters
Expansion command 1 identification code
Selects lower 6 bits (0 to 5).
Selects upper 6 bits (6 to B).
Second byte identification bit
Normal display
Apply frame to inverted characters also.
Set port output data
Set port (output switching)
Set port output data
Set port (output switching)
Normal V signal
VMASK signal
Normal I/O
V is input from P11.
V rise detection
V fall detection
VSEP is about 9.3 µs.
VSEP is about 18.6 µs.
The command 7 identification code: sets display
control parameters
Expansion command 2 identification code
Selects lower 6 bits (0 to 5).
Selects upper 6 bits (6 to B).
LC74761, 74761M
Register content
Register content
Register content
Function
Function
Function
Selects lower or upper 6 bits for half
tone output line setting.
Selects V detection polarity.
Selects V separation time.
Selects lower or upper 6 bits for half
tone output line setting.
Note
Note
Note
No. 4846-13/20