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參數(shù)資料
| 型號(hào)： | GS9090 |
| 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(shù)： | 59/70頁 |
| 文件大?。?/td> | 696K |
| 代理商： | GS9090 |
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GS9090 Data Sheet
28201 - 1
July 2005
59 of 70
Figure 3-14: H,V,F Timing In Low-latency Mode
3.14 GSPI Host Interface
The GSPI, or Gennum Serial Peripheral Interface, is a 4-wire interface provided to
allow the host to enable additional features of the GS9090 and/or to provide
additional status information through configuration registers in the device.
The GSPI comprises a serial data input signal SDIN, serial data output signal
SDOUT, an active low chip select CS, and a burst clock SCLK.
Because these pins are shared with the JTAG interface port, an additional control
signal pin JTAG/HOST is provided. When JTAG/HOST is LOW, the GSPI interface
is enabled.
When operating in GSPI mode, the SCLK, SDIN, and CS signals are provided by
the application interface. The SDOUT pin is a non-clocked loop-through of SDIN
and may be connected to the SDIN of another device, allowing multiple devices to
be connected to the GSPI chain. The interface is illustrated in
Figure 3-15
.
Figure 3-15: GSPI Application Interface Connection
All read or write access to the GS9090 is initiated and terminated by the host
processor. Each access always begins with a 16-bit command word on SDIN
indicating the address of the register of interest. This is followed by a 16-bit data
word on SDIN in write mode, or a 16-bit data word on SDOUT in read mode.
Y/Cr/Cb DATA OUT
PCLK
H
V
F
XYZ
000
000
3FF
XYZ
000
000
3FF
Application Host
SCLK
SCLK
SCLK
CS1
SDOUT
SDIN
SDOUT
SDOUT
CS
SDIN
SDIN
CS2
GS9090
GS9090
CS
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PDF描述 |
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| GS9090-CNE3 | GS9090 GenLINX-R III 270Mb/s Deserializer for SDI and DVB-ASI |
| GS9092A | GS9092A GenLINX-R III 270Mb/s Serializer for SDI and DVB-ASI |
| GS9092ACNE3 | GS9092A GenLINX-R III 270Mb/s Serializer for SDI and DVB-ASI |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GS9090A | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:GS9090A GenLINX-R III 270Mb/s Deserializer for SDI |
| GS9090A_10 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:GenLINX III 270Mb/s Deserializer |
| GS9090ACNE3 | 制造商:Semtech Corporation 功能描述:270Mb/s Deserializer 56-Pin QFN EP 制造商:Semtech Corporation 功能描述:270Mb/s Deserializer for SDI & ASI |
| GS9090B | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:GenLINX III 270Mb/s Deserializer for SDI |
| GS9090B_10 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:GenLINX III 270Mb/s Deserializer for SDI |
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