adv7180 Analog Devices, Inc., adv7180 Datasheet - Page 91

• Manufacturer Part Number: adv7180
• Description: 10-bit, 4 X Oversampling Sdtv Video Decoder
• Manufacturer: Analog Devices, Inc.

Subaddress
0x59
0x8F
0x99
0x9A
0x9B
0x9C
0x9D
0xB2
0xC3
Register
General-
Purpose
Outputs
Free-Run Line
Length 1
CCAP1
(Read Only)
CCAP2
(Read Only)
Letterbox 1
(Read Only)
Letterbox 2
(Read Only)
Letterbox 3
(Read Only)
CRC Enable
(Write Only)
ADC SWITCH 1
Bit Description
GPO[3:0].
ADV7180 LQFP-64 only.
GPO_Enable.
Reserved.
Reserved.
LLC_PAD_SEL[2:0].
Enables manual selection
of clock
for LLC1 pin.
Reserved.
CCAP1[7:0] Closed
caption data register.
CCAP2[7:0] Closed
caption data register.
LB_LCT[7:0]. Letterbox
data register.
LB_LCM[7:0]. Letterbox
data register.
LB_LCB[7:0]. Letterbox
data register.
Reserved.
CRC_ENABLE. Enable CRC
checksum decoded from
CGMS packet to validate
CGMSD.
Reserved.
MUX_0[3:0]. Manual
muxing control for MUX0.
This setting controls
which input is routed to
the ADC for processing.
Reserved.
MUX_1[3:0]. Manual
muxing control for MUX1.
This setting controls
which input is routed to
the ADC for processing.
Reserved.
7
0
0
x
x
x
x
x
0
0
(Shading Indicates Default State)
6
0
0
1
x
x
x
x
x
0
0
0
0
0
1
1
1
1
Rev. B | Page 91 of 112
5
0
0
0
x
x
x
x
x
0
0
0
1
1
0
0
1
1
4
0
1
0
1
x
x
x
x
x
1
0
1
0
1
0
1
0
1
Bits
3
0
1
0
x
x
x
x
x
1
0
2
0
1
0
x
x
x
x
x
0
1
0
0
0
0
1
1
1
1
1
0
1
0
x
x
x
x
x
0
0
0
1
1
0
0
1
1
0
0
1
0
x
x
x
x
x
0
0
1
0
1
0
1
0
1
Outputs 0 to GPO0, Pin 13
Outputs 1 to GPO0, Pin 13
Outputs 0 to GPO1, Pin 12
Outputs 1 to GPO1, Pin 12
Outputs 0 to GPO2, Pin 56
Outputs 1 to GPO2, Pin 56
Outputs 0 to GPO3, Pin 55
Outputs 1 to GPO3, Pin 55
GPO[3:0] three-stated
GPO[3:0] enabled
Set to default
LLC1 (nominal 27 MHz) selected out on
LLC1 pin
LLC2 (nominal 13.5 MHz) selected out
on LLC1 pin
Set to default
CCAP1[7] contains parity bit for Byte 0
CCAP2[7] contains parity bit for Byte 0
Reports the number of black lines
detected at the top of active video
Reports the number of black lines
detected in the bottom half of active
video if subtitles are detected
Reports the number of black lines
detected at the bottom of active video
Set as default
Turn off CRC check
CGMSD goes high with valid checksum
Set as default
No connect
A
A
A
A
A
A
No connect
No connect
No connect
No connect
A
A
A
A
No connect
LQFP-64
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
1
2
3
4
5
6
3
4
5
6
Comments
LFCSP-40
No connect
A
No connect
No connect
A
A
No connect
No connect
No connect
No connect
No connect
No connect
A
A
No connect
No connect
IN
IN
IN
IN
IN
1
2
3
2
3
Notes
GPO_Enable must
be set to 1 for
these bits to take
effect
For 16-bit 4:2:2 out,
OF_SEL[3:0] = 0010
This feature
examines the
active video at the
start and end of
each field; it
enables format
detection even if
the video is not
accompanied by a
CGMS or WSS
sequence
MAN_MUX_EN = 1
MAN_MUX_EN = 1
ADV7180