lc74761m Sanyo Semiconductor Corporation, lc74761m Datasheet - Page 10

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

Second byte
Note: When the chip is reset by the RST pin, the register states (bits) are all cleared to 0.
6 COMMAND5: Display Control Setting Command 2
First byte
DA0 to DA7
DA0 to DA7
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Register name
Register name
INT/NON
INT/EXT
DSPON
BLK1
BLK0
BK1
ATS
PH2
PH1
PH0
—
—
—
—
—
—
State
State
0
0
1
0
1
0
1
0
1
0
1
0
0
1
1
1
0
1
0
1
0
1
0
1
0
1
BLK1
Second byte identification code
Interlaced
Non-interlaced
Flashing period about 0.5 s
Flashing period about 1 s
Highlight function
Flashing function
Character display off
Character display on
The command 5 identification code:
sets display control parameters.
External synchronization mode
Internal synchronization mode
PHASE 2
0
0
0
0
1
1
1
1
0
1
BLK0
PHASE 1
LC74761, 74761M
Blanking off
Frame size blanking
Register content
Register content
0
0
1
1
0
0
1
1
Function
Function
PHASE 0
0
0
1
0
1
0
1
0
1
Character size blanking
Total area blanking
In phase
NTSC
Background color
(phase)
3 /2
3 /4
7 /4
5 /4
/2
/4
1
In phase
±
±3 /4
±
±
± /2
± /4
PAL
3 /4
±
/2
/4
Switches between interlaced and
non-interlaced display.
Changes the blanking size.
Sets the flashing period.
Selects at2.
Turns character output on and off.
Sets the phase of the background color
for color burst.sz
Switches between internal and external
synchronization.
Note
Note
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