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參數(shù)資料
| 型號： | TVP5154PNPG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP128 |
| 封裝： | PLASTIC, HTQFP-128 |
| 文件頁數(shù)： | 46/77頁 |
| 文件大?。?/td> | 795K |
| 代理商： | TVP5154PNPG4 |
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9.2.58
Teletext Filter and Mask Registers
TVP5154
4-CHANNEL LOW-POWER PAL/NTSC/SECAM VIDEO DECODER
WITH INDEPENDENT SCALERS AND FAST LOCK
SLES163A – MARCH 2006 – REVISED JULY 2006
Address
B1h–BAh
Default
00h
Address
7
6
5
4
3
2
1
0
B1h
Filter 1 mask 1
Filter 1 pattern 1
B2h
Filter 1 mask 2
Filter 1 pattern 2
B3h
Filter 1 mask 3
Filter 1 pattern 3
B4h
Filter 1 mask 4
Filter 1 pattern 4
B5h
Filter 1 mask 5
Filter 1 pattern 5
B6h
Filter 2 mask 1
Filter 2 pattern 1
B7h
Filter 2 mask 2
Filter 2 pattern 2
B8h
Filter 2 mask 3
Filter 2 pattern 3
B9h
Filter 2 mask 4
Filter 2 pattern 4
BAh
Filter 2 mask 5
Filter 2 pattern 5
For an NABTS system, the packet prefix consists of five bytes. Each byte contains four data bits (D[3:0])
interlaced
with
four
Hamming
protection
bits
(H[3:0]):
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
D[3]
H[3]
D[2]
H[2]
D[1]
H[1]
D[0]
H[0]
Only the data portion D[3:0] from each byte is applied to a teletext filter function with the corresponding
pattern bits P[3:0] and mask bits M[3:0]. Hamming protection bits are ignored by the filter.
For a WST system (PAL or NTSC), the packet prefix consists of two bytes so that two patterns are used.
Patterns 3, 4, and 5 are ignored.
The mask bits enable filtering using the corresponding bit in the pattern register. For example, a 1 in the
LSB of mask 1 means that the filter module must compare the LSB of nibble 1 in the pattern register to
the first data bit on the transaction. If these match, a true result is returned. A 0 in a bit of mask 1 means
that the filter module must ignore that data bit of the transaction. If all 0s are programmed in the mask bits,
the filter matches all patterns returning a true result (default 00h).
Pattern and mask for each byte and filter are referred as <1,2><P,M><1,2,3,4,5> where:
<1,2> identifies the filter 1 or 2
<P,M> identifies the pattern or mask
<1,2,3,4,5> identifies the byte number
Internal Control Registers
50
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| TVP5154PNPRG4 | COLOR SIGNAL DECODER, PQFP128 |
| TVP5154PNPR | COLOR SIGNAL DECODER, PQFP128 |
| TVP5154PNP | COLOR SIGNAL DECODER, PQFP128 |
| TVP5157PNPR | COLOR SIGNAL DECODER, PQFP128 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TVP5154PNPR | 功能描述:視頻 IC 4Ch Lo Pwr PAL/NTSC SECAM Video 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 |
| TVP5154PNPRG4 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:4-CHANNEL LOW-POWER PAL/NTSC/SECAM VIDEO DECODER WITH INDEPENDENT SCALERS AND FAST LOCK |
| TVP5156PNP | 功能描述:視頻 IC 4Ch NTSC/PAL Video 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 |
| TVP5156PNPR | 功能描述:視頻 IC 4Ch NTSC/PAL Video 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 |
| TVP5157PNP | 功能描述:視頻 IC 4Ch NTSC/PAL Video 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 |
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