ADV7181BCP Analog Devices Inc, ADV7181BCP Datasheet - Page 87

• Manufacturer Part Number: ADV7181BCP
• Description: IC VIDEO DECODER NTSC 64-LFCSP
• Manufacturer: Analog Devices Inc
• Type: Video Decoderr

Specifications of ADV7181BCP

• Applications: Recorders, Set-Top Boxes
• Voltage - Supply, Analog: 3.15 V ~ 3.45 V
• Voltage - Supply, Digital: 1.65 V ~ 2 V
• Mounting Type: Surface Mount
• Package / Case: 64-LFCSP
• Adc/dac Resolution: 9b
• Screening Level: Industrial
• Package Type: LFCSP EP
• Pin Count: 64
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: EVAL-ADV7181BEB - BOARD EVALUATION FOR ADV7181
• Lead Free Status / RoHS Status: Compliant, Contains lead / RoHS non-compliant

Table 197. Registers 0x91 to 0x9D
Subaddress
0x91
0x92
0x93
0x94
0x95
0x96
0x97
0x98
0x99
0x9A
0x9B
0x9C
0x9D
Table 198. Register 0xB2
Subaddress
0xB2
Register
WSS1[7:0]. Wide
screen signaling
data. Read-only.
WSS1[7:0]. Wide
screen signaling
data. Read-only.
EDTV1[7:0].
EDTV data. Read-
only.
EDTV2[7:0].
EDTV data. Read-
only.
EDTV3[7:0].
EDTV data. Read-
only.
CGMS1[7:0].
CGMS data.
Read-only.
CGMS2[7:0].
CGMS data.
Read-only.
CGMS3[7:0].
CGMS data.
Read-only.
CCAP1[7:0].
Closed caption
data. Read-only.
CCAP2[7:0].
Closed caption
data. Read-only.
Letterbox 1.
Read-only.
Letterbox 2.
Read-only.
Letterbox 3.
Read-only.
Register
CRC Enable
Write
Bit Description
Reserved.
CRC_ENABLE. Enables CRC checksum
decoded from CGMS packet to validate
CGMSD.
Reserved.
Bit Description
WSS1[7:0]
WSS2[7:0]
EDTV1[7:0]
EDTV2[7:0]
EDTV3[7:0]
CGMS1[7:0]
CGMS2[7:0]
CGMS3[7:0]
CCAP1[7:0]
CCAP2[7:0]
LB_LCT[7:0]
LB_LCM[7:0]
LB_LCB[7:0]
7
x
x
x
x
x
x
x
x
x
x
x
x
x
6
x
x
x
x
x
x
x
x
x
x
x
x
x
Rev. B | Page 87 of 104
5
x
x
x
x
x
x
x
x
x
x
x
x
x
4
x
x
x
x
x
x
x
x
x
x
x
x
x
Bit
3
x
x
x
x
x
x
x
x
x
x
x
x
x
2
x
x
x
x
x
x
x
x
x
x
x
x
x
1
x
x
x
x
x
x
x
x
x
x
x
x
x
0
7
0
x
x
x
x
x
x
x
x
x
x
x
x
x
6
0
Comments
WSS2[7:6] are
undetermined.
EDTV3[7:6] are
undetermined.
CGMS3[7:4] are
undetermined.
CCAP1[7] contains parity
bit for Byte 0.
CCAP2[7] contains parity
bit for Byte 0.
Reports the number of
black lines detected at
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.
5
0
4
1
Bit
3
1
2
0
1
1
0
0
0
Notes
EDTV3[5] is reserved for
future use.
This feature examines the
active video at the start and
at the end of each field. It
enables format detection
even if the video is not
accompanied by a CGMS or
WSS sequence.
Comments
Set as default.
Turn off CRC check.
CGMSD goes high with
valid checksum.
Set as default.
ADV7181