Datasheet

Table Of Contents
ADV7188
Rev. A | Page 94 of 112
Bit
1
Address Register Bit Description 7 6 5 43210Comments Notes
0 0 0 0 No connection
0 0 0 1 No connection
0 0 1 0 No connection
0011 AIN3
0100 AIN4
0101 AIN5
0110 AIN6
0 1 1 1 No connection
1 0 0 0 No connection
1 0 0 1 No connection
1 0 1 0 No connection
1011 AIN9
1100 AIN10
1101 AIN11
1110 AIN12
ADC1_SW [3:0]. Manual muxing control
for ADC1.
1 1 1 1 No connection
Set ADC_SW_MAN_EN to 1
0xC4 ADC Switch 2 0000No connection Set ADC_SW_MAN_EN to 1
ADC2_SW [3:0]. Manual muxing control
for ADC2.
0001No connection
0010AIN2
0011No connection
0100No connection
0101AIN5
0110AIN6
0111No connection
1000No connection
1001No connection
1010AIN8
1011No connection
1100No connection
1101AIN11
1110AIN12
1111No connection
Reserved. xxx
0 Disable
ADC_SW_MAN_EN. This bit enables manual
setting of the input signal muxing.
1 Enable
LB_TH [4:0]. These bits set 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
LB_EL [3:0]. These bits program the end
line of letterbox detection (end of field).
1 1 0 0 Letterbox detection ends with the
last line of active video on a field,
1100b: 262/525
0xDD Letterbox Control 2
LB_SL [3:0]. These bits program the start
line of letterbox detection (start of field).
0 1 0 0 Letterbox detection aligned
with the start of active video,
0100b: 23/286 NTSC
ST_NOISE [10:8]. Sync tip noise measurement. x x x
ST_NOISE_VLD. x 1 = ST_NOISE [10:0] measurement
is valid;
0 = ST_NOISE [10:0] measurement
is invalid
0xDE ST Noise Readback 1
(Read Only)
Reserved. xxxx
0xDF ST Noise Readback 2
(Read Only)
ST_NOISE [7:0]. See ST_NOISE [10:0]. x x x x x x x x
0xE1 SD Offset Cb SD_OFF_CB [7:0]. These bits adjust 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]. These bits adjust 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]. These bits adjust 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]. These bits adjust the
saturation of the picture by affecting gain on
the Cr channel.
1 0 0 0 0 0 0 0 Chroma gain = 0 dB