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參數(shù)資料
| 型號： | TVP5146PFPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP80 |
| 封裝： | PLASTIC, HTQFP-80 |
| 文件頁數(shù)： | 77/106頁 |
| 文件大小： | 1500K |
| 代理商： | TVP5146PFPRG4 |
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64
SLES084C August 2007
TVP5146
2.11.63
VDP TTX Filter And Mask Registers
Subaddress
B1h
B2h
B3h
B4h
B5h
B6h
B7h
B8h
B9h
BAh
Default
00h
Subaddress
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 4 data bits
(D[3:0]) interlaced with 4 Hamming protection bits (H[3:0]):
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
D3
H3
D2
H2
D1
H1
D0
H0
Only data portion D[3:0] from each byte is applied to a teletext filter function with corresponding
pattern bits P[3:0] and mask bits M[3:0] (see Figure 227). The filter ignores the Hamming
protection bits.
For WST system (PAL or NTSC), the packet prefix consists of two bytes. The two bytes contain
three bits of magazine number (M[2:0]) and five bits of row address (R[4:0]), interlaced with eight
Hamming protection bits H[7:0]:
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
R0
H3
M2
H2
M1
H1
M0
H0
R4
H7
R3
H6
R2
H5
R1
H4
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, then a true result is
returned. A 0 in a mask bit means that the filter module must ignore that data bit of the
transaction. If all 0s are programmed in the mask bits, then the filter matches all patterns
returning a true result (default 00h).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TVP5146PFP | COLOR SIGNAL DECODER, PQFP80 |
| TVP5146PFPR | COLOR SIGNAL DECODER, PQFP80 |
| TVP5146PFPG4 | COLOR SIGNAL DECODER, PQFP80 |
| TVP5147M1PFPG4 | COLOR SIGNAL DECODER, PQFP80 |
| TVP5147M1PFPRG4 | COLOR SIGNAL DECODER, PQFP80 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TVP5147EVM | 功能描述:視頻 IC 開發(fā)工具 TVP5147 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V |
| TVP5147M1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 2x10-Bit Digital Video Decoder With Macrovision Detection, YPbPr Inputs, and 5-Line Comb Felter |
| TVP5147M1_08 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 2x10-Bit Digital Video Decoder With Macrovision Detection, YPbPr Inputs, and 5-Line Comb Felter |
| TVP5147M1IPFP | 功能描述:視頻 IC 10B Hi Qual Sgl-Chip Dig 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 |
| TVP5147M1IPFPR | 功能描述:視頻 IC 10B Hi Qual Sgl-Chip Dig 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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