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)： 62/74頁(yè)
文件大小： 630K
代理商： TW9903
TW9903
TECHWELL, INC.
62
REV. 0.92 ( B )
06/02/2002
Pin Description
This section provides a detailed description of each pin for the TW9903. The pins are arranged in
functional groups according to their associated interface.
The active state of the signal is determined by the trailing symbol at the end of the signal name. A
"#" symbol indicates that the signal is active or asserted at a low voltage level. When "#" is not
present after the signal name, the signal is active at the high voltage level.
The pin description also includes the buffer type used for that pin.
I
input pin
O
output pin
OD
open drain output pin
I/O
bi-directional input/output pin
Analog
analog signal pin
LVTTL
low voltage TTL compatible signals with 3.3V outputs and 5V tolerant inputs.
Analog Interface Pins
Pin#
I/O
Pin Name
Description
45, 50,
55, 57
I,
analog
MUX3,
MUX2,
MUX1,
MUX0
These are the analog composite video inputs pins to the input selector. Four
composite sources or three composites and one S-video source can be
selected as the input. Unused pins should be connected to AGND.
53
O,
analog
MXOUT
The output of the on-chip 4-to-1 selector. It should be connected to the YIN
pin. The input selected can be programmed through INFORM register.
52
I,
analog
YIN
The analog composite or luma input to the Y-ADC.
67
I,
analog
C_PbIN0
The analog chroma input to the C-ADC.
43, 46
O,
analog
AGCOP,
AGCON
The buffered AGC differential outputs that correspond to the AGCIN. It is for
test use only.
59
I,
analog
EVC
Test pin. It should be left unconnected.
64
I/O,
analog
VREFP
The positive reference voltage for the ADC. It should be connected to
AGND through 0.1uF capacitor. It can be optionally forced by external
voltage reference source.
62
I/O,
analog
VREFN
The negative reference voltage for the ADC. It should be connected to
AGND through a 0.1uF capacitor. It can be optionally forced by external
voltage reference source.
74
O,
analog
VCOM
The common mode voltage output. It should be connected to analog GND
through a 0.1uF capacitor. It can be optionally forced externally.
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相關(guān)代理商/技術(shù)參數(shù)
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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