參數(shù)資料
型號: TVP5151IPBSQ1
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PQFP32
封裝: GREEN, PLASTIC, QFP-32
文件頁數(shù): 64/86頁
文件大?。?/td> 964K
代理商: TVP5151IPBSQ1
TVP5151
www.ti.com
SLES241C – SEPTEMBER 2009 – REVISED SEPTEMBER 2010
3.21.65 VDP Status Register
Address
C6h
7
6
5
4
3
2
1
0
FIFO full error
FIFO empty
TTX available
CC field 1
CC field 2
WSS available
VPS available
VITC available
available
The VDP status register indicates whether data is available in either the FIFO or data registers, and status
information about the FIFO. Reading data from the corresponding register does not clear the status flags
automatically. These flags are only reset by writing a 1 to the respective bit. However, bit 6 is updated
automatically.
FIFO full error
0 = No FIFO full error
1 = FIFO was full during a write to FIFO.
The FIFO full error flag is set when the current line of VBI data can not enter the FIFO. For example, if
the FIFO has only ten bytes left and teletext is the current VBI line, the FIFO full error flag is set, but no
data is written because the entire teletext line does not fit. However, if the next VBI line is closed
caption requiring only two bytes of data plus the header, this goes into the FIFO, even if the full error
flag is set.
FIFO empty
0 = FIFO is not empty.
1 = FIFO is empty.
TTX available
0 = Teletext data is not available.
1 = Teletext data is available.
CC field 1 available
0 = Closed caption data from field 1 is not available.
1 = Closed caption data from field 1 is available.
CC field 2 available
0 = Closed caption data from field 2 is not available.
1 = Closed caption data from field 2 is available.
WSS available
0 = WSS data is not available.
1 = WSS data is available.
VPS available
0 = VPS data is not available.
1 = VPS data is available.
VITC available
0 = VITC data is not available.
1 = VITC data is available.
Copyright 2009–2010, Texas Instruments Incorporated
Functional Description
67
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TVP5151IPBSR 功能描述:視頻 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec 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
TVP5151IZQC 功能描述:視頻 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec 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
TVP5151IZQCR 功能描述:視頻 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec 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
TVP5151PBS 功能描述:視頻 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec 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
TVP5151PBSR 功能描述:視頻 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec 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