adv7188 Analog Devices, Inc., adv7188 Datasheet - Page 93

• Manufacturer Part Number: adv7188
• Description: Multiformat Sdtv Video Decoder With Fast Switch Overlay Support
• Manufacturer: Analog Devices, Inc.

Address
0x69
0x86
0x8F
0x99
0x9A
0x9B
0x9C
0x9D
0xB1
0xB2
0xB3
0xB4
0xC3
Register
Configuration 1
STDI Control
Free-Run Line
Length 1
CCAP1 (Read Only)
CCAP2 (Read Only)
Letterbox 1
(Read Only)
Letterbox 2
(Read Only)
Letterbox 3
(Read Only)
Standard Ident 1
(Read Only)
Standard Ident 2
(Read Only)
Standard Ident 3
(Read Only)
Standard Ident 4
(Read Only)
ADC Switch 1
Bit Description
SDM_SEL [1:0]. Y/C and CVBS autodetect
mode select.
Reserved.
Reserved.
STDI_LINE_COUNT_MODE.
Reserved.
Reserved.
LLC_PAD_SEL [2:0]. These bits enable manual
selection of a clock for the LLC1 pin.
Reserved.
CCAP1 [7:0]. Closed caption data bits.
CCAP2 [7:0]. Closed caption data bits.
LB_LCT [7:0]. Letterbox data register.
LB_LCM [7:0]. Letterbox data register.
LB_LCB [7:0]. Letterbox data register.
BL [13:8]. Block length data register.
Reserved
STDI_DVALID. Standard identification data
valid readback.
BL [7:0]. Block length data register.
LCF [10:8]. Line count in field.
LCVS [4:0].
LCF [7:0].
ADC0_SW [3:0]. Manual muxing control
for ADC0.
Rev. A | Page 93 of 112
7 6 5 4 3 2 1 0 Comments
0 0 0 0 0 x
0 0 x 0
0
x x x x x x x x CCAP1 [7] contains parity bit for
x x x x x x x x CCAP2 [7] contains parity bit for
x x x x x x x x Reports the number of black lines
x x x x x x x x Reports the number of black
x x x x x x x x Reports the number of black
0
1
x x x x x x x x BL [13:0] reports the number of
x x x x x
x x x x x x x x
0 0 0
1 0 1
x
x x x x x x BL [13:0] reports the number of
Bit
0
1
0 0 0 0 Set to default
0 0 0 0 No connection
0 0 0 1 AIN1
0 0 1 0 AIN2
0 0 1 1 AIN3
0 1 0 0 AIN4
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 AIN7
1 0 1 0 AIN8
1 0 1 1 AIN9
1 1 0 0 AIN10
1 1 0 1 AIN11
1 1 1 0 AIN12
1 1 1 1 No connection
1
0 1 1 Reserved
x x x Reports the number of lines
0 0 INSEL selects analog input muxing
0 1 Composite—AIN11
1 0 S-video—Y on AIN10 and C on
1 1 Composite/S-video autodetect
AIN12
Composite on AIN11
Y on AIN11
C on AIN12
Disables STDI functionality
Enables STDI functionality
LLC1 (nominally 27 MHz) selected
output on LLC1 pin
LLC2 (nominally 13.5 MHz)
selected output on LLC1 pin
Set to default
Byte 0
Byte 0
detected at the top of active video
lines detected in the bottom
half of active video if subtitles
are detected
lines detected at the bottom
of active video
clock cycles in a block of eight
lines of incoming video
Reserved
Indicates that BL [13:0], LCF [10:0],
and LCVS [4:0] are not valid
parameters
Indicates that BL [13:0], LCF [10:0],
and LCVS [4:0] are valid parameters
clock cycles in a block of eight
lines of incoming video
between two vsyncs or one field
Reports the number of lines within
a vertical synchronization period
Notes
For 16-bit 4:2:2 out, OF_SEL [3:0] = 0010.
Only for use with VBI System 2
Only for use with VBI System 2
This feature examines the active video
at the start and end of each field.,
enabling format detection even if
the video is not accompanied by a
CGMS or WSS sequence.
Data is valid only if STDI_DVALID is 1 and
STDI_LINE_COUNT_MODE is set to 1.
Data is valid only if STDI_DVALID is 1 and
STDI_LINE_COUNT_MODE is set to 1.
Data is valid only if STDI_DVALID is 1 and
STDI_LINE_COUNT_MODE is set to 1.
Data is valid only if STDI_DVALID is 1 and
STDI_LINE_COUNT_MODE is set to 1.
Set ADC_SW_MAN_EN to 1
ADV7188