參數(shù)資料
型號： GS1559-CBE2
廠商： Gennum Corporation
英文描述： GS1559 HD-LINX-TM II Multi-Rate Deserializer with Loop-Through Cable Driver
中文描述： GS1559的HD - LINX進程，商標(biāo)第二多速率解串器與環(huán)通電纜驅(qū)動器
文件頁數(shù)： 62/74頁
文件大小： 686K
代理商： GS1559-CBE2
GS1559 Data Sheet
30572 - 4
July 2005
62 of 74
Figure 4-8: SD PCLK to Data Timing
4.11.2 Parallel Output in SMPTE Mode
When the device is operating in SMPTE mode, (see
SMPTE Functionality on
page 34
), both SD and HD data may be presented to the output bus in either
multiplexed or demultiplexed form depending on the setting of the 20bit/10bit input
pin.
In 20-bit mode, (20bit/10bit = HIGH), the output data will be word aligned,
demultiplexed luma and chroma data. Luma words will always appear on
DOUT[19:10] while chroma words will occupy DOUT[9:0].
In 10-bit mode, (20bit/10bit = LOW), the output data will be word aligned,
multiplexed luma and chroma data. The data will be presented on DOUT[19:10],
and the device will force DOUT[9:0] LOW.
4.11.3 Parallel Output in DVB-ASI Mode
When operating in DVB-ASI mode, (see
DVB-ASI Functionality on page 41
), the
GS1559 automatically configures the output port for 10-bit operation regardless of
the setting of the 20bit/10bit pin.
The extracted 8-bit data words will be presented on DOUT[17:10] such that
DOUT17 = HOUT is the most significant bit of the decoded transport stream data
and DOUT10 = AOUT is the least significant bit.
In addition, DOUT19 and DOUT18 will be configured as the DVB-ASI status
signals SYNCOUT and WORDERR respectively. See
Status Signal Outputs on
page 41
for a description of these DVB-ASI specific output signals.
DOUT[9:0] will be forced LOW when the GS1559 is operating in DVB-ASI mode.
4.11.4 Parallel Output in Data-Through Mode
When operating in Data-Through mode, (see
Data Through Mode on page 42
), the
GS1559 presents data to the output data bus without performing any decoding,
descrambling or word-alignment.
PCLK
DOUT[19:0]
DATA
Control signal
output
t
OH
t
OD
SD MODE
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