參數(shù)資料
型號(hào)： TVP5160PNP
廠商： TEXAS INSTRUMENTS INC
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL DECODER, PQFP128
封裝： GREEN, PLASTIC, HTQFP-128
文件頁(yè)數(shù)： 41/111頁(yè)
文件大?。?/td> 1400K
代理商： TVP5160PNP
SLES135E
– FEBRUARY 2005 – REVISED APRIL 2011
Table 2-9. Supported VBI System (continued)
VBI SYSTEM
STANDARD
LINE NUMBER
NUMBER OF BYTES
Gemstar EPG 1
×
NTSC
2
Gemstar EPG 2
×
NTSC
5 with frame byte
User
Any
Programmable
CGMS-A packet A
480p
41
20 bits
CGMS-A packet B
480p
40
16 bytes
2.10.1 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 following the line from which the data
was retrieved. Table 2-10 shows the header format and sequence of the ancillary data inserted into the
video stream. This format also stores any VBI data into the FIFO. The size of the FIFO is 512 bytes.
Therefore, the FIFO can store up to 9 lines of teletext data according to the WSTB standard.
Table 2-10. Ancillary Data Format and Sequence
BYTE NO.
Y7(MSB)
Y6
Y5
Y4
Y3
Y2
Y1
Y0 (LSB)
DESCRIPTION
0
Ancillary data preamble
1
2
1
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
Sample 1
Data byte
1st word
9
Sample 2
Data byte
10
Sample 3
Data byte
11
Sample 4
Data byte
.
Sample m-1
Data byte
Nth word
4N+5
Sample m
Data byte
4N+6
CS[7:0]
Checksum
4N+7
0
Fill byte
EP:
Even parity for Y5
–Y0
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 [5:0] 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]
Copyright
2005–2011, Texas Instruments Incorporated
Functional Description
35
focus.ti.com: TVP5160
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