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參數(shù)資料
| 型號： | TVP5154PNPRG4 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 4-CHANNEL LOW-POWER PAL/NTSC/SECAM VIDEO DECODER WITH INDEPENDENT SCALERS AND FAST LOCK |
| 中文描述： | 4通道低功耗PAL / NTSC制式/ SECAM制式，帶有獨(dú)立的定標(biāo)器和視頻解碼器快速鎖定 |
| 文件頁數(shù)： | 50/78頁 |
| 文件大?。?/td> | 824K |
| 代理商： | TVP5154PNPRG4 |
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9.2.58
Address
Default
Teletext Filter and Mask Registers
B1h–BAh
00h
TVP5154
4-CHANNEL LOW-POWER PAL/NTSC/SECAM VIDEO DECODER
WITH INDEPENDENT SCALERS AND FAST LOCK
SLES163A–MARCH 2006–REVISED JULY 2006
Address
B1h
B2h
B3h
B4h
B5h
B6h
B7h
B8h
B9h
BAh
7
6
5
4
3
2
1
0
Filter 1 mask 1
Filter 1 mask 2
Filter 1 mask 3
Filter 1 mask 4
Filter 1 mask 5
Filter 2 mask 1
Filter 2 mask 2
Filter 2 mask 3
Filter 2 mask 4
Filter 2 mask 5
Filter 1 pattern 1
Filter 1 pattern 2
Filter 1 pattern 3
Filter 1 pattern 4
Filter 1 pattern 5
Filter 2 pattern 1
Filter 2 pattern 2
Filter 2 pattern 3
Filter 2 pattern 4
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
Bit 7
Bit 6
Bit 5
Bit 4
D[3]
H[3]
D[2]
H[2]
protection
Bit 2
H[1]
bits
(H[3:0]):
Bit 0
H[0]
Bit 3
D[1]
Bit 1
D[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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| 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 |
| TVP5157PNPR | 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 |
| TVP5158 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:With Independent Scalers, Noise Reduction, Auto Contrast, and Flexible Output Formatter for Security and Other Multi-Channel Video Applications |
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