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參數資料
| 型號： | GS9090-CNE3 |
| 廠商： | Gennum Corporation |
| 英文描述： | GS9090 GenLINX-R III 270Mb/s Deserializer for SDI and DVB-ASI |
| 中文描述： | GS9090 GenLINX - R的第三270Mb / s的SDI和DVB解串器，意大利航天局 |
| 文件頁數： | 56/70頁 |
| 文件大小： | 696K |
| 代理商： | GS9090-CNE3 |
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GS9090 Data Sheet
28201 - 1
July 2005
56 of 70
3.11.2 Parallel Output in SMPTE Mode
When the device is operating in SMPTE mode (see
SMPTE Functionality on
page 25
), SD data is presented to the output bus in multiplexed format. The data
will be output on the DOUT[9:0] pins and word aligned according to TRS ID words.
3.11.3 Parallel Output in DVB-ASI Mode
When operating in DVB-ASI mode (see
DVB-ASI Functionality on page 29
), the
extracted 8-bit data words will be presented on DOUT[7:0] such that DOUT7 =
HOUT is the most significant bit of the decoded transport stream data and DOUT0
= AOUT is the least significant bit.
In addition, DOUT9 and DOUT8 will be configured as the DVB-ASI status signals
WORDERR and SYNCOUT respectively. See
Status Signal Outputs on page 29
for a description of these DVB-ASI specific output signals.
3.11.4 Parallel Output in Data-Through Mode
When operating in Data-Through mode (see
Data-Through functionality on
page 29
), the GS9090 presents data to the output data bus without performing any
decoding, descrambling, or word-alignment.
As described in
Data-Through functionality on page 29
, the data bus outputs will
be forced to logic LOW if the device is set to operate in Auto mode but cannot
identify SMPTE TRS ID or DVB-ASI sync words in the input data stream.
3.12 Programmable Multi-Function Outputs
The GS9090 has a multi-function output port that uses 4 pins, STAT0 through
STAT3. Each pin can be programmed via the host interface to output one of the
following signals: H, V, F, FIFO_LD, ANC_DETECT, EDH_DETECT, FIFO_FULL,
and FIFO_EMPTY.
Table 3-17: Output Signals Available on Multi-Function Output Ports
Output Status Signal
Reference
H
HVF Timing Signal Generation on page 28
V
HVF Timing Signal Generation on page 28
F
HVF Timing Signal Generation on page 28
FIFO_LD
FIFO Load Pulse on page 30
ANC_DETECT
Ancillary Data Detection and Indication on
page 31
EDH_DETECT
EDH Packet Detection on page 33
FIFO_FULL
Reading From the FIFO on page 48
FIFO_EMPTY
Reading From the FIFO on page 48
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