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參數(shù)資料
型號(hào)： TVP5146M2PFPG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL DECODER, PQFP80
封裝： GREEN, PLASTIC, HTQFP-80
文件頁(yè)數(shù)： 36/107頁(yè)
文件大小： 1427K
代理商： TVP5146M2PFPG4
Functional Description
26
SLES141B—August 2007
TVP5146M2PFP
2.7.1 VBI FIFO and Ancillary Data in Video Stream
Sliced VBI data can be output as ancillary data in the video stream in ITU-R BT.656 mode. VBI data is output
on the Y[9:2] terminals during the horizontal blanking period. Table 27 shows the header format and
sequence of the ancillary data inserted into the video stream. This format is also used to store any VBI data
into the FIFO. The size of the FIFO is 512 bytes. Therefore, the FIFO can store up to 11 lines of teletext data
with the NTSC NABTS standard.
Table 27. Ancillary Data Format and Sequence
BYTE
NO.
D7
(MSB)
D6
D5
D4
D3
D2
D1
D0
(LSB)
DESCRIPTION
0
1
Ancillary data preamble
2
1
Ancillary data preamble
3
NEP
EP
0
1
0
DID2
DID1
DID0
Data ID (DID)
4
NEP
EP
F5
F4
F3
F2
F1
F0
Secondary data ID (SDID)
5
NEP
EP
N5
N4
N3
N2
N1
N0
Number of 32-bit data (NN)
6
Video line # [7:0]
Internal data ID0 (IDID0)
7
0
Data
error
Match
#1
Match
#2
Video line # [9:8]
Internal data ID1 (IDID1)
8
1. Data
Data byte
1st word
9
2. Data
Data byte
10
3. Data
Data byte
11
4. Data
Data byte
:
m. Data
Data byte
Nth word
CS[7:0]
Check sum
4N+7
0
Fill byte
EP:
Even parity for D0–D5
NEP: Negated even parity
DID:
91h: Sliced data of VBI lines of first field
53h: Sliced data of line 24 to end of first field
55h: Sliced data of VBI lines of second field
97h: Sliced data of line 24 to end of second field
SDID:
This field holds the data format taken from the line mode register bits [2:0] of the corresponding
line.
NN:
Number of Dwords beginning with byte 8 through 4N+7. Note this value is the number of Dwords
where each Dword is 4 bytes.
IDID0:
Transaction video line number [7:0]
IDID1:
Bit 0/1 = Transaction video line number [9:8]
Bit 2 = Match 2 flag
Bit 3 = Match 1 flag
Bit 4 = 1 if an error was detected in the EDC block. 0 if no error was detected.
CS:
Sum of D0–D7 of first data through last data byte.
Fill byte:
Fill bytes make a multiple of 4 bytes from byte 0 to last fill byte. For teletext modes, byte 8 is the
sync pattern byte. Byte 9 is the first data byte.
相關(guān)PDF資料
PDF描述
TVP5146PFPRG4 COLOR SIGNAL DECODER, PQFP80
TVP5146PFP COLOR SIGNAL DECODER, PQFP80
TVP5146PFPR COLOR SIGNAL DECODER, PQFP80
TVP5146PFPG4 COLOR SIGNAL DECODER, PQFP80
TVP5147M1PFPG4 COLOR SIGNAL DECODER, PQFP80
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP5146M2PFPR 功能描述:視頻 IC 10B Hi Qual Sgl-Chip Dig Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TVP5146M2PFPRG4 制造商:Texas Instruments 功能描述:
TVP5146PFP 功能描述:視頻 IC 10B High Qual S-Chip Dig Vid Decoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TVP5146PFP 制造商:Texas Instruments 功能描述:IC VIDEO DECODER 10BIT 30MSPS HTQFP-80 制造商:Texas Instruments 功能描述:IC, VIDEO DECODER, 10BIT 30MSPS HTQFP-80
TVP5146PFPG4 制造商:Texas Instruments 功能描述:10BIT VIDEO DECODER SMD HTQFP80
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