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參數資料
| 型號： | GS1535-CFU |
| 廠商： | Gennum Corporation |
| 英文描述： | GS1535 HD-LINX II-TM Multi-Rate SDI Automatic Reclocker |
| 中文描述： | GS1535的HD - LINX進程二，商標多速率SDI自動時鐘恢復器 |
| 文件頁數： | 17/22頁 |
| 文件大小： | 238K |
| 代理商： | GS1535-CFU |
GS1535 Data Sheet
18557 - 8
February 2005
17 of 22
3.8 Bypass Mode
In bypass mode, the GS1535 passes the data at the inputs, directly to the outputs.
There are two pins that control the bypass function: BYPASS and AUTOBYPASS.
The BYPASS pin is an active high signal which forces the GS1535 into bypass
mode for as long as a HIGH is asserted at this pin.
The AUTOBYPASS pin is an active high signal which places the GS1535 into
bypass mode only when the PLL has not locked to a data rate. Note that if
BYPASS is HIGH, this will overwrite the AUTOBYPASS functionallity.
When the GS1535’s PLL is not locked and BYPASS = LOW and AUTOBYPASS =
LOW, the serial digital output DDO/DDO will produce invalid data.
3.9 DVB/ASI Operation
The GS1535 is designed to re-clock DVB/ASI at 270 Mb/s. There is a harmonic
present in idle patterns (K28.5) which is very close the 177 Mb/s data rate (EIC
1179). The ASI/177 pin, when HIGH will disable the 177 Mb/s search in AUTO
mode. In this mode, the GS1535 will not lock to 177 Mb/s.
3.10 LOCK
The LOCK DETECT signal, LD, is an active high output which indicates when the
PLL is locked.
The lock logic with the GS1535 includes a system which monitors the Frequency
Acquisition Loop and the Phase Acquisition Loop as well as a monitor to detect
harmonic lock.
Table 3-2: Data Rate Indication/Selection Bit Pattern
SS[2:0]
Data Rate (Mb/s)
000
143
001
177
010
270
011
360
100
540
101
1485/1483.5
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| GS1535A | GS1535A / GS9065A HD-LINX-R II Multi-Rate SDI Automatic Reclocker |
| GS1535ACFUE3 | GS1535A / GS9065A HD-LINX-R II Multi-Rate SDI Automatic Reclocker |
| GS9065A | GS1535A / GS9065A HD-LINX-R II Multi-Rate SDI Automatic Reclocker |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| GS1535-CFUE3 | 制造商:Gennum Corporation 功能描述:Automatic Reclocker 64-Pin LQFP |
| GS-154 | 制造商:Taiyo Electric Ind. 功能描述: |
| GS1540 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HDTV Serial Digital Non-Equalizing Receiver |
| GS1540-CQR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
| GS1540-CQRE3 | 制造商:Semtech Corporation 功能描述:HD Non-Equalizing Receiver |
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