參數(shù)資料
型號: ADV7183BBSTZ
廠商: Analog Devices Inc
文件頁數(shù): 83/100頁
文件大小: 0K
描述: IC VIDEO DECODER NTSC 80-LQFP
產(chǎn)品培訓(xùn)模塊: Interfacing AV Converters to Blackfin Processors
標(biāo)準(zhǔn)包裝: 1
類型: 視頻解碼器
應(yīng)用: 投影儀,錄音機(jī),安全
電壓 - 電源,模擬: 3.15 V ~ 3.45 V
電壓 - 電源,數(shù)字: 1.65 V ~ 2 V
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-LQFP(14x14)
包裝: 托盤
產(chǎn)品目錄頁面: 788 (CN2011-ZH PDF)
ADV7183B
Rev. B | Page 83 of 100
Bits
Subaddress
Register
Bit Description
7
6
5
4
3
2
1
0
Comments
Notes
0x97
CGMS2
(Read Only)
CGMS2[7:0]
CGMS data register.
x
0x98
CGMS3
(Read Only)
CGMS3[7:0]
CGMS data register.
x
CGMS3[7:4] are
undetermined.
0x99
CCAP1
(Read Only)
CCAP1[7:0]
Closed caption data register.
x
CCAP1[7] contains parity
bit for byte 0.
0x9A
CCAP2
(Read Only)
CCAP2[7:0]
Closed caption data register.
x
CCAP2[7] contains parity
bit for byte 0.
0x9B
Letterbox 1
(Read Only)
LB_LCT[7:0]
Letterbox data register.
x
Reports the number of
black lines detected at
the top of active video.
0x9C
Letterbox 2
(Read Only)
LB_LCM[7:0]
Letterbox data register.
x
Reports the number of
black lines detected in
the bottom half of
active video if subtitles
are detected.
0x9D
Letterbox 3
(Read Only)
LB_LCB[7:0]
Letterbox data register.
x
Reports the number of
black lines detected at
the bottom of active
video.
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.
Reserved.
0
0Set as default.
0
Turn off CRC check.
CRC_ENABLE. Enable CRC checksum
decoded from CGMS packet to
validate CGMSD.
1
CGMSD goes high with
valid checksum.
0xB2
CRC
Enable
Write
Register
Reserved
0
1
Set as default.
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