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
Black gradation
correction gain
4
10(H) 00 to (80) to F0 Adjusts the gain to be cor-
Black level
Upper
4-bit
rected at correcting the black
extension
08 88 F8
Correction off (V)
Black gradation
correction start
level
4
10(H) 00 to (08) to 0F Adjusts signal level where
Black level
Lower
4-bit
black extension correction
starts
8F
88
80
Correction off (V)
White gradation
correction gain
4
4
4
11(H) 00 to (80) to F0 Adjusts correction amount
00
80
F0
Upper
4-bit
at correcting the gamma
Input
White gradation
correction level
11(H) 00 to (80) to 0F Adjusts a converging point
FF
F8
Lower
4-bit
at correcting the gamma
F0
Input
White character
correction gain
12(H) (00) to 80 to F0 Adjusts a detecting(or slicing)
Output amplitude
Upper
4-bit
level for white characters
8F 88 80
*Y-in input
Correction off (V)
Output amplitude
White character
correction start
level
4
12(H) (00) to 08 to 0F Adjusts the amount to add
Lower
4-bit
the sliced white signal to (B)
F8 88
08
*Y-in input
Correction off (V)
28