
LC74763, 74763M
Second byte
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
0
Second byte identification code
6
INT/NON
0
Interlaced
Switches between interlaced and
1
Non-interlaced
non-interlaced display.
5
BLK1
0
1
Changes the blanking size.
4
BLK0
0
1
3
BK1
0
Flashing period about 0.5 s
Sets the flashing period.
1
Flashing period about 1 s
2
ATS
0
Highlight function
Selects at2.
1
Flashing function
1
—
0
DSPON
0
Character display off
Turns character output on and off.
1
Character display on
Note: When the chip is reset by the RST pin, the register states (bits) are all cleared to 0.
COMMAND5: Display Control Setting Command 2
First byte
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
1
6
—
1
The command 5 identification code:
5
—
0
sets display control parameters.
4
—
1
3
PH2
0
1
2
PH1
0
Sets the phase of the background color
1
for color burst.sz
1
PH0
0
1
0
INT/EXT
0
External synchronization mode
Switches between internal and external
1
Internal synchronization mode
synchronization.
No. 5039-10/19
BLK0
BLK1
0
1
0
Blanking off
Character size blanking
1
Frame size blanking
Total area blanking
Background color
(phase)
PHASE 2
PHASE 1
PHASE 0
NTSC
PAL
0
π/2
±
π/2
0
1
In phase
0
1
0
3
π/2
0
1
π
±
π
1
0
3
π/4
±3
π/4
1
0
1
π/4
±
π/4
1
0
7
π/4
1
5
π/4
3
π/4
±