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參數(shù)資料
| 型號(hào)： | GS9092 |
| 廠商： | Gennum Corporation |
| 英文描述： | GS9092 GenLINX-R III 270Mb/s Serializer for SDI and DVB-ASI |
| 中文描述： | GS9092 GenLINX - R的第三270Mb / s的串行SDI和DVB - ASI在內(nèi) |
| 文件頁數(shù)： | 39/58頁 |
| 文件大小： | 608K |
| 代理商： | GS9092 |
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GS9092 Data Sheet
28202 - 2
September 2005
39 of 58
3.7.3.3 EDH Generation and Insertion
If the EDH_CRC_INS bit of the IOPROC_DISABLE register is set LOW, the
GS9092 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 GS9092 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 GS9092 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GS9092A | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:GS9092A GenLINX-R III 270Mb/s Serializer for SDI and DVB-ASI |
| GS9092A_10 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:GenLINX III 270Mb/s Serializer for SDI and DVB-ASI |
| GS9092ACNE3 | 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 |
| 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: |
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