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參數(shù)資料
| 型號： | GS9092ACNE3 |
| 廠商： | Gennum Corporation |
| 英文描述： | GS9092A GenLINX-R III 270Mb/s Serializer for SDI and DVB-ASI |
| 中文描述： | GS9092A GenLINX - R的第三270Mb / s的串行SDI和DVB - ASI在內(nèi) |
| 文件頁數(shù)： | 39/59頁 |
| 文件大小： | 614K |
| 代理商： | GS9092ACNE3 |
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GS9092A Data Sheet
34715 - 0
February 2006
39 of 59
3.7.3.3 EDH Generation and Insertion
If the EDH_CRC_INS bit of the IOPROC_DISABLE register is set LOW, the
GS9092A may be configured to generate and insert complete EDH packets into the
data stream, or update the CRC bits of existing EDH packets.
Generation and Insertion of New EDH Packets
When EDH_CRC_UPDATE is set LOW (bit 11 of address 04h), the GS9092A will
generate all of the required EDH packet data including all ancillary data preambles
(DID, DBN, DC), reserved code words and checksum. Calculation of both full field
(FF) and active picture (AP) CRC's will be carried out by the device.
By default, after a system reset, the GS9092A will calculate the EDH ranges based
on the setting of the DETECT_TRS pin. If DETECT_TRS is LOW, the device will
calculate the EDH ranges based on the received H, V, and F timing. If
DETECT_TRS is HIGH, the device will calculate the ranges based on the internal
TRS timing.
Alternatively, the user can program the EDH calculation ranges in the host
interface. The registers available to the host interface for programming EDH
calculation ranges include active picture and full field line start and end positions
for both fields.
Table 3-7
shows the relevant registers, which default to '0' after
device reset.
If any or all of these register values are zero, then the EDH CRC calculation ranges
will be determined from the flywheel generated H signal. The first AP pixel will
always be the first pixel after the SAV TRS code words. The first FF pixel will
always be the first pixel after the EAV TRS code words. The last AP pixel and last
FF pixel will always be the last pixel before the start of the EAV code words.
Figure 3-9
shows the positions of the FF and AP pixel positions relative to TRS
words and H timing.
Figure 3-9: First and Last FF and AP Pixel Positions
H Timing (H_CONFIG = LOW)
3FF
3FF
000
000
000
000
XYZ
SAV
XYZ
EAV
FIRST
AP
PIXEL
FIRST
FF
PIXEL
LAST
FF &
AP
PIXEL
H Timing (H_CONFIG = HIGH)
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| GS9092 | GS9092 GenLINX-R III 270Mb/s Serializer for SDI and DVB-ASI |
| GS9092-CNE3 | GS9092 GenLINX-R III 270Mb/s Serializer for SDI and DVB-ASI |
| GSC9620 | P-CHANNEL ENHANCEMENT MODE POWER MOSFET |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| GS9092ACNTE3 | 制造商:Semtech Corporation 功能描述:270Mb/s Transmitter for SDI & ASI |
| GS9092CNE3 | 制造商:Gennum Corporation 功能描述: |
| GS9092-CNE3 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
| GS90A12-P1M | 功能描述:插入式交流適配器 80W 12V 6.67A RoHS:否 制造商:Phihong 地區(qū):Universal 安裝風格:Wall, Interchangeable Plug 輸入電壓范圍:90 VAC to 264 VAC 輸出端數(shù)量:1 輸出功率額定值:5 W 輸出電壓（通道 1）:5 V 輸出電流（通道 1）:1 A 直流輸出連接器:USB Type A 隨附/必需的交流插頭:Required 商用/醫(yī)用:Commercial 效率:Level V |
| GS90A15-P1M | 功能描述:插入式交流適配器 90W 15V 6A RoHS:否 制造商:Phihong 地區(qū):Universal 安裝風格:Wall, Interchangeable Plug 輸入電壓范圍:90 VAC to 264 VAC 輸出端數(shù)量:1 輸出功率額定值:5 W 輸出電壓（通道 1）:5 V 輸出電流（通道 1）:1 A 直流輸出連接器:USB Type A 隨附/必需的交流插頭:Required 商用/醫(yī)用:Commercial 效率:Level V |
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