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參數(shù)資料
| 型號(hào)： | GS9090ACNE3 |
| 廠商： | Gennum Corporation |
| 英文描述： | GS9090A GenLINX-R III 270Mb/s Deserializer for SDI |
| 中文描述： | GS9090A GenLINX - R的第三270Mb / s的SDI解串器 |
| 文件頁數(shù)： | 24/69頁 |
| 文件大?。?/td> | 687K |
| 代理商： | GS9090ACNE3 |
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GS9090A Preliminary Data Sheet
Proprietary and Confidential
34714 - 0
February 2006
24 of 69
3.5.3 Manual Mode
Recall that the GS9090A is in Manual mode when the AUTO/MAN input pin is set
LOW by the application layer. In this mode the SMPTE_BYPASS and DVB_ASI
pins become input signals, and the application layer determines the operating
mode of the device by setting these pins as shown in
Table 3-2
.
3.6 SMPTE Functionality
The GS9090A enters SMPTE mode once the device has detected SMPTE TRS
sync words and locked to the input data stream as described in
Lock Detect on
page 21
. The GS9090A will remain in SMPTE mode until such time that SMPTE
TRS sync words fail to be detected.
The lock detect block may also drop out of SMPTE mode under any of the following
conditions:
TRS word detection is a continuous process, and the device will identify both 8-bit
and 10-bit TRS words.
SMPTE_BYPASS is asserted LOW in Manual mode
RESET is asserted LOW
LOCKED is LOW (i.e. the device loses lock to the input signal)
In Auto mode, the GS9090A sets the SMPTE_BYPASS pin HIGH and the
DVB_ASI pin LOW to indicate that it has locked to a SMPTE input data stream.
When operating in Manual mode, the application layer must assert the DVB_ASI
pin LOW and the SMPTE_BYPASS pin HIGH in order to enable SMPTE operation.
3.6.1 SMPTE Descrambling and Word Alignment
After serial-to-parallel conversion, the internal 10-bit data bus is fed to the SMPTE
descramble and word alignment internal block. The function of this block is to carry
out NRZI-to-NRZ decoding, descrambling according to SMPTE 259M-C, and word
alignment of the data to the TRS sync words.
NOTE: When 8-bit data is embedded in the 10-bit SMPTE signal, the two LSBs
(DOUT[1:0]) must be set to zero for word alignment to work correctly.
Table 3-2: Manual Mode Input Status Signals
Pin Settings
Format
SMPTE_BYPASS
DVB_ASI
SD SMPTE
HIGH
LOW
DVB-ASI
X
HIGH
NOT SMPTE OR DVB-ASI
(Data-Through mode)*
LOW
LOW
*NOTE: See
Data-Through functionality on page 28
for more detail on Data-Through mode
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| GS9090 | GS9090 GenLINX-R III 270Mb/s Deserializer for SDI and DVB-ASI |
| GS9090-CNE3 | GS9090 GenLINX-R III 270Mb/s Deserializer for SDI and DVB-ASI |
| GS9092A | GS9092A GenLINX-R III 270Mb/s Serializer for SDI and DVB-ASI |
| GS9092ACNE3 | GS9092A GenLINX-R III 270Mb/s Serializer for SDI and DVB-ASI |
| GS9092 | GS9092 GenLINX-R III 270Mb/s Serializer for SDI and DVB-ASI |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GS9090B | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:GenLINX III 270Mb/s Deserializer for SDI |
| GS9090B_10 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:GenLINX III 270Mb/s Deserializer for SDI |
| GS9090BCNE3 | 功能描述:RF, RFID, WIRELESS RoHS:是 類別:集成電路 (IC) >> 接口 - 串行器，解串行器 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 功能:解串器 數(shù)據(jù)速率:2.5Gbps 輸入類型:串行 輸出類型:并聯(lián) 輸入數(shù):- 輸出數(shù):24 電源電壓:1.8 V ~ 3.3 V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:64-TQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-TQFP-EP（10x10） 包裝:管件 |
| GS9090BCNTE3 | 制造商:Semtech Corporation 功能描述:270Mb/s Receiver for SDI & ASI |
| GS9090CNE3 | 制造商:Gennum Corporation 功能描述: |
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