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參數(shù)資料
| 型號(hào)： | TW9903 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | TW9903 ? Multi-standard Video Decoder With High Quality Down Scaler |
| 中文描述： | TW9903？多標(biāo)準(zhǔn)視頻解碼器，高品質(zhì)下倍線器 |
| 文件頁(yè)數(shù)： | 64/74頁(yè) |
| 文件大小： | 630K |
| 代理商： | TW9903 |
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TW9903
TECHWELL, INC.
64
REV. 0.92 ( B )
06/02/2002
Pin#
I/O
Pin Name
Description
LVTTL
active or horizontal active signal via the Hactive register. It is a logical high
during the active/viewable periods of the video stream. The active region of
the video stream is programmable.
Note: The polarity of this pin is programmable through the POLARITY
register.
94
O,
LVTTL
VCLK
Video Clock Output. This pin provides a clock for video data strobing. The
clock is available only during valid data period. This output is generated from
CLKx1 (or CLKx2 in 8-bit mode), DVALID and, if programmed, HACTIVE.
The phase of VCLK is inverted from the CLKx1 (or CLKx2) to ensure
adequate setup and hold time with respect to the data outputs.
98
I,
LVTTL
OE#
Output Enable Control. This pin controls the outputs of all video timing unit
output pins and all clock interface output pins. All outputs are valid only
when this pin is asserted low. This function is asynchronous. The three-
stated pins include:
VD[15:0], HSYNC, VSYNC, HACTIVE, DVALID, CBFLAG, FIELD, VCLK,
CLKx1, and CLKx2.
78
O,
LVTTL
FIELD
Odd/Even Field Output. A high state on the FIELD pin indicates that an
even field is being output.
Note: The polarity of this pin is programmable through the POLARITY
register.
89
O,
LVTTL
CBFLAG
Cb Data Flag. A high state on this pin indicates that the current chroma byte
contains Cb chroma information.
Note: The polarity of this pin is programmable through the POLARITY
register.
2–9
O,
LVTTL
VD[15:8]
22-29
I/O,
LVTTL
VD[7:0]
Digitized Video Data Outputs. VD[0] is the least significant bit of the bus in
16-bit mode. VD[8] is the least significant bit of the bus in 8-bit mode. The
information is output with respect to CLKx1 rising edge in 16-bit mode, and
CLKx2 rising edge in 8-bit mode. It can be programmed to output CCIR-656
compliant format. When data is output in 8-bit mode using VD[15:8],
VD[7:0] can be used as general purpose I/O pins.
84
O,
LVTTL
DVALID
Data Valid Output. This pin indicates when a valid pixel is being output onto
the data bus. The format of this output pin can be programmed through the
OPFORM register.
Note: The polarity of this pin is programmable through the POLARITY
register.
87
OD,
LVTTL
CCVALID
A logical low on this pin indicates that the Closed Caption FIFO is half full (8
characters). This pin may be disabled. This open drain output requires a
pullup resistor for proper operation. However, if closed captioning is not
implemented, this pin may be left unconnected.
91
I,
LVTTL
PDN
A logical high on this pin puts the device into power-down mode. This is
equivalent to programming CLK_PDN high in the ADC register.
86
O,
LVTTL
VACTIVE
Vertical Blanking Output. The falling edge of VACTIVE indicates the
beginning of the active video lines in a field. This occurs VDELAY/2 lines
after the rising edge of VSYNC. The rising edge of VACTIVE indicates the
end of active video lines and occurs ACTIVE_LINES/2 lines after the falling
edge of VACTIVE. VACTIVE is synchronized to the rising edge of CLKx1.
Note: The polarity of the pin is programmable through the POLARITY
register.
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參數(shù)描述 |
|---|---|
| TW9903-FB | 功能描述:IC DECODER VIDEO NTSC/PAL/SECAM RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| TW9903-MB | 功能描述:IC DECODER VIDEO NTSC/PAL/SECAM RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| TW9903-MBS | 功能描述:IC NTSC/PAL/SECAM DECODR 100PQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| TW9905-FD | 功能描述:IC DECODER VIDEO NTSC/PAL/SECAM RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| TW9905-MD | 功能描述:IC DECODER VIDEO NTSC/PAL/SECAM RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
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