AN5394FB
ICs for TV
■ Application Note (continued)
2. I2C bus control contents (continued)
4) Sub-address data (continued)
DAC name
bit Sub
Data address(H)
Operation
Remarks
address(H) ( )Standard status
R-in DC. adj.
7
7
1
16
17
00 to (40) to 7F The input clamp voltage of
WB is likely to vary in switching
the main and RGB screen within
1H period with a high speed.
R-in (pin 9) rises with data
up.
B-in DC. adj.
1H/2H SW
00 to (40) to 7F The input clamp voltage of
It is possible to adjust the posi-
B-in (pin 11) rises with data tion error of WB by controlling
up. an input clamp voltage.
1XXXXXXX Timing pulse width change- 1H (normal): 0
0XXXXXXX over for auto cutoff. 2H (progressive scan): 1
Note) Use it at standard except
for progressive scan
Single color
adjustment R-off
SW12-7
1
1
1
1
1
1
1
1
18
0XXXXXXX Blanking R output only.
1XXXXXXX
Normal: 0
R-BLK: 1
Single color
adjustment G-off
SW12-6
X0XXXXXX Blanking G output only.
X1XXXXXX
Normal: 0
G-BLK: 1
Single color
adjustment B-off
SW12-5
XX0XXXXX Blanking B output only.
XX1XXXXX
Normal: 0
B-BLK: 1
Blanking off
SW12-4
XXX0XXXX Output blanking on/off
XXX1XXXX changeover
With BLK: 0
Without BLK: 1
DC regeneration
ratio polarity
SW12-3
XXXX0XXX
XXXX1XXX
(+side)Pedestal down with APL up −: 0
(−side)Pedestal up with APL up +: 1
White gradation cor-
rection/contract inter-
XXXXX0XX (On side) White gradation
XXXXX1XX correction level is upped in Non-interlocking: 1
sequence with contrast up.
Interlocking: 0
locking SW12-2
Black gradation cor-
rection/contrast inter-
XXXXXX0X (On side) Black gradation
XXXXXX1X correction level is upped in Non-interlocking: 1
sequence with contrast up.
Interlocking: 0
locking SW12-1
Cutoff manual/
auto
XXXXXXX0
XXXXXXX1
Auto: 0
Manual: 1
SW12-0
30
PANASONIC [ PANASONIC ]
