Datasheet

ADV7189B
Rev. B | Page 86 of 104
Bits
Subaddress Register Bit Description
7 6 5 4 3 2 1 0 Comments Notes
0 0 0 0 No connection
0 0 0 1 No connection
0 0 1 0 AIN2
0 0 1 1 No connection
0 1 0 0 No connection
0 1 0 1 AIN5
0 1 1 0 AIN6
0 1 1 1 No connection
1 0 0 0 No connection
1 0 0 1 No connection
1 0 1 0 AIN8
1 0 1 1 No connection
1 1 0 0 No connection
1 1 0 1 AIN11
1 1 1 0 AIN12
ADC2_SW[3:0]. Manual muxing
control for ADC2.
1 1 1 1 No connection
SETADC_sw_man_
en = 1
Reserved x x x
0 Disable
0xC4 ADC
SWITCH 2
ADC_SW_MAN_EN. Enable
manual setting of the input
signal muxing.
1 Enable
LB_TH[4:0]. Sets the threshold
value that determines if a line is
black.
0 1 1 0 0 Default threshold for the
detection of black lines.
0xDC Letterbox
Control 1
Reserved
1 0 1 Set as default
0xDE Reserved 0 0 0 0 0 0 0 0
LB_EL[3:0]. Programs the end line
of the activity window for LB
detection (end of field).
1 1 0 0 LB detection ends with
the last line of active
video on a field.
1100b: 262/525.
0xDD Letterbox
Control 2
LB_SL[3:0]. Program the start line
of the activity window for LB
detection (start of field).
0 1 0 0 Letterbox detection
aligned with the start of
active video,
0100b: 23/286 NTSC.
0xDF Reserved 0 0 0 0 0 0 0 0
0xE0 Reserved 0 0 0 1 0 1 0 0
0xE1 SD Offset
Cb
SD_OFF_CB[7:0]. Adjusts the hue
by selecting the offset for the Cb
channel.
1 0 0 0 0 0 0 0
0xE2 SD Offset
Cr
SD_OFF_CR[7:0]. Adjusts the hue
by selecting the offset for the Cr
channel.
1 0 0 0 0 0 0 0
0xE3 SD
Saturation
Cb
SD_SAT_CB[7:0]. Adjusts the
saturation of the picture by
affecting gain on the Cb channel.
1 0 0 0 0 0 0 0 Chroma gain = 0 dB
0xE4 SD
Saturation
Cr
SD_SAT_CR[7:0]. Adjusts the
saturation of the picture by
affecting gain on the Cr channel.
1 0 0 0 0 0 0 0 Chroma gain = 0 dB