STV2118B Datasheet, PDF (6/25 Pages) STMicroelectronics – BUS CONTROLLED PAL/SECAM/NTSC TV PROCESSOR

STV2118B
I²C BUS SPECIFICATION
General Comments
Slave Address : 8A (HEX) (1000101X)
WRITE MODE DATA FORMAT
Slave Address
1000 1010
(8A)
Register Address
XXS SSSS
(from 00 to 11HEX)
The not used bits in data byte must be put to ”0”.
READ MODE DATA FORMAT
Slave Address
1000 1011
(8B)
MSB on the left, LSB on the Right.
MSB
X
X
X
X
X
X : not significant bit - S : significant bit
Input Signals (Write Mode)
VIDEO
Address
Dec (HEX)
0 (00)
Contrast
Description
Data
(Bits)
5
0 (00) External Fast Blanking Enable
1
1 (01) Saturation
6
2 (02) Brightness
5
2 (02) RGB Outputs Blanking
1
3 (03) Red Drive Adjust (white point red adjust)
6
4 (04) Red Cut-off Adjust
6
5 (05) Green Drive Adjust (white point green adjust)
6
6 (06) Green Cut-off Adjust
6
7 (07) Blue Drive Adjust (white point blue adjust)
6
8 (08) Sharpness
3
Data
XXSS SSSS
(6 significant bits Max.)
Data
SSSS SSSS
(8 significant bits)
X
X
LSB
X
Comments
XXX0 0000 = -20dB
XXX1 1111 = 0dB
XXSX XXXX
0 = RGBext insertion enable
1 = RGBext insertion disable
XX00 0000 = -44dB
XX11 1111 = +6dB
XXX0 0000 = -20%
XXX1 1111 = +20%
XXSX XXXX
0 = Normal mode
1 = Blanking active
XX00 0000 = -6dB
XX11 1111 = 0dB
XX00 0000 = +150mV
XX11 1111 = -150mV
XX00 0000 = -6dB
XX11 1111 = 0dB
XX00 0000 = +150mV
XX11 1111 = -150mV
XX00 0000 = -6dB
XX11 1111 = 0dB
XXXX X000 = Peaking Min.
XXXX X111 = Peaking Max.
6/25