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參數(shù)資料
| 型號： | GS1561-CFE3 |
| 廠商： | Gennum Corporation |
| 英文描述： | GS1560A/GS1561 HD-LINX-R II Dual-Rate Deserializer |
| 中文描述： | GS1560A/GS1561的HD - LINX進程- R的第二雙率解串器 |
| 文件頁數(shù)： | 68/80頁 |
| 文件大小： | 842K |
| 代理商： | GS1561-CFE3 |
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GS1560A/GS1561 Data Sheet
27360 - 8
September 2005
68 of 80
3.12 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 device and /or to provide
additional status information through configuration registers in the
GS1560A/GS1561.
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. The burst clock
must have a duty cycle between 40% and 60%.
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 host interface. The SDOUT pin is a high-impedance output allowing multiple
devices to be connected in parallel and selected via the CS input. The interface is
illustrated in
Figure 3-9
.
All read or write access to the GS1560A/GS1561 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.
Figure 3-9: Gennum Serial Peripheral Interface (GSPI)
3.12.1 Command Word Description
The command word is transmitted MSB first and contains a read/write bit, nine
reserved bits and a 6-bit register address. Set R/W = '1' to read and R/W = '0' to
write from the GSPI.
Command words are clocked into the GS1560A/GS1561 on the rising edge of the
serial clock SCLK. The appropriate chip select, CS, signal must be asserted low a
minimum of 1.5ns (t
0
in
Figure 3-12
and
Figure 3-13
) before the first clock edge to
ensure proper operation.
Each command word must be followed by only one data word to ensure proper
operation.
SCLK
CS
SDOUT
SDIN
SCLK
CS
SDIN
SDOUT
Application Host
GS1560A / GS1561
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參數(shù)描述 |
|---|---|
| GS1561-CFT | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
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| GS1572-IBE3 | 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 標準包裝: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 |
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