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參數(shù)資料
| 型號： | TVP5020 |
| 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： | POWER, PLASTIC, TQFP-80 |
| 文件頁數(shù)： | 73/89頁 |
| 文件大小： | 376K |
| 代理商： | TVP5020 |
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2–61
2.15.37 Buffer Status
VIP address
1B3
VMI address
B3
I2C address
B3
7
6
5
4
3
2
1
0
CCD
field1
avail
CCD
field2
avail
Tx count [3:0]
FIFO full
Teletext
data avail
Teletext avail
–
This bit indicates that at least one complete teletext transaction is in the FIFO.
This bit is cleared when the FIFO is emptied.
Tx count
–
This value represents the number of complete teletext transactions in the FIFO.
CCD field 2 avail
–
This status bit indicates that closed-caption data has been received in the even
field. The status bit is cleared when both of the two bytes have been read.
CCD field 1 avail
–
This status bit indicates that closed caption-data has been received in the odd
field. The status bit is cleared when both bytes have been read.
2.15.38 Interrupt Threshold
VIP address
1B4
VMI address
B4
I2C address
B4
7
6
5
4
3
2
1
0
Threshold value [3:0]
Threshold value
–
This value determines how many teletext transactions must be received before
the teletext threshold status bit is set in the interrupt status register.
The default value is 5.
2.15.39 Interrupt Line Number
VIP address
1B5
VMI address
B5
I2C address
B5
7
6
5
4
3
2
1
0
Data required
Interrupt line number [4:0]
Interrupt line number –
This value determines which video line number will be used to generate the
teletext data, closed caption even field, and closed caption odd field bits in the
interrupt status register. The register value is examined at the start of the line.
Since there is no line 0, a value of all zeros in this register disables the three
interrupt signals that use this condition. The default value is 24 (decimal).
Data required
–
If this bit is set high, teletext data bit will only be set if there is data in
the FIFO. This bit does not affect the closed caption even field, and closed
caption odd field bits. The default value for this bit is 1.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TVP5022 | COLOR SIGNAL DECODER, PQFP80 |
| TVP5031PFP | COLOR SIGNAL DECODER, PQFP80 |
| TVP5040CPFP | COLOR SIGNAL DECODER, PQFP80 |
| TVP5040PFP | COLOR SIGNAL DECODER, PQFP80 |
| TVP5041PFP | COLOR SIGNAL DECODER, PQFP80 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TVP5020CPFP | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TVP5020PFC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| TVP5020TQFP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL VIDEO DECODER |
| TVP5021PFP | 功能描述:視頻 IC NTSC/PAL DIGITAL 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 |
| TVP5021PFPG4 | 功能描述:視頻 IC NTSC/PAL DIGITAL 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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