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参数资料
| 型号： | TVP5150AZQCR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 颜色信号转换 |
| 英文描述： | COLOR SIGNAL DECODER, PBGA48 |
| 封装： | PLASTIC, BGA-48 |
| 文件页数： | 49/74页 |
| 文件大小： | 439K |
| 代理商： | TVP5150AZQCR |
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243
2.20.53 Teletext Filter and Mask Registers
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, then 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, then 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
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| TVP5150PBS | 功能描述:编码器、解码器、复用器和解复用器 VERY LOW POWER VIDEO DECODER RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| TVP5150PBS | 制造商:Texas Instruments 功能描述:IC DECODER VIDEO SMD |
| TVP5150PBSG4 | 功能描述:视频 IC VERY LOW POWER VIDEO DECODER RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5150PBSR | 功能描述:视频 IC Very Low Power Video Decoder RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5150PBSRG4 | 制造商:Texas Instruments 功能描述: |
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