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参数资料
| 型号： | TVP5147PFPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 颜色信号转换 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP80 |
| 封装： | GREEN, PLASTIC, HTQFP-80 |
| 文件页数： | 28/100页 |
| 文件大小： | 1465K |
| 代理商： | TVP5147PFPR |
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Functional Description
26
SLES099C—March 2007
TVP5147PFP
2.7
VBI Data Processor
The TVP5147 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 26 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 TVP5147 decoder provides
fully decoded V-Chip data to the dedicated registers at subaddresses 80 0540h80 0543h.
Table 26. Supported VBI System
VBI SYSTEM
STANDARD
LINE NUMBER
NUMBER OF BYTES
Teletext WST A
SECAM
623 (Fields 1 and 2)
38
Teletext WST B
PAL
622 (Fields 1 and 2)
43
Teletext NABTS C
NTSC
1021 (Fields 1 and 2)
34
Teletext NABTS D
NTSC-J
1021 (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
622
9
VITC
NTSC
1020
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
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