參數(shù)資料
型號(hào): TVP5147M1IPFPQ1
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 顏色信號(hào)轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PQFP80
封裝: PLASTIC, HTQFP-80
文件頁(yè)數(shù): 36/108頁(yè)
文件大?。?/td> 937K
代理商: TVP5147M1IPFPQ1
www.ti.com
SLES140F – JULY 2005 – REVISED DECEMBER 2010
2.7
VBI Data Processor
The TVP5147M1 VBI data processor (VDP) slices various data services like teletext (WST, NABTS),
closed caption (CC), wide screen signaling (WSS), program delivery control (PDC), vertical interval time
code (VITC), video program system (VPS), copy generation management system (CGMS) data, and
electronic program guide (Gemstar) 1x/2x. Table 2-6 shows the supported VBI system.
These services are acquired by programming the VDP to enable the reception of one or more vertical
blank interval (VBI) data standard(s) during the VBI. The VDP can be programmed on a line-per-line basis
to enable simultaneous reception of different VBI formats, one per line. The results are stored in a FIFO
and/or registers. Because of the high data bandwidth, teletext results are stored in FIFO only. The
TVP5147M1 decoder provides fully decoded V-Chip data to the dedicated registers at subaddresses 80
0540h
80 0543h.
Table 2-6. Supported VBI System
VBI SYSTEM
STANDARD
LINE NUMBER
NUMBER OF BYTES
Teletext WST A
SECAM
6-23 (Fields 1 and 2)
38
Teletext WST B
PAL
6-22 (Fields 1 and 2)
43
Teletext NABTS C
NTSC
10-21 (Fields 1 and 2)
34
Teletext NABTS D
NTSC-J
10-21 (Fields 1 and 2)
35
Closed Caption
PAL
22 (Fields 1 and 2)
2
Closed Caption
NTSC
21 (Fields 1 and 2)
2
WSS
PAL
23 (Fields 1 and 2)
14 bits
WSS-CGMS
NTSC
20 (Fields 1 and 2)
20 bits
VITC
PAL
6-22
9
VITC
NTSC
10-20
9
VPS (PDC)
PAL
16
13
V-Chip (decoded)
NTSC
21 (Fields 1 and 2)
2
Gemstar 1x
NTSC
2
Gemstar 2x
NTSC
5 with frame byte
User
Any
Programmable
Copyright 2005–2010, Texas Instruments Incorporated
Functional Description
33
Product Folder Link(s): TVP5147M1
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