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參數(shù)資料
| 型號(hào)： | GS4901BCNE3 |
| 廠商： | Gennum Corporation |
| 英文描述： | SD Clock and Timing Generator with GENLOCK |
| 中文描述： | 統(tǒng)計(jì)時(shí)鐘和定時(shí)發(fā)生器鎖相 |
| 文件頁(yè)數(shù)： | 63/95頁(yè) |
| 文件大?。?/td> | 898K |
| 代理商： | GS4901BCNE3 |
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GS4901B/GS4900B Preliminary Data Sheet
37703 - 0
April 2006
63 of 95
3.10 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 GS4901B/GS4900B and/or to
provide additional status information through configuration registers in the device.
The GSPI comprises a serial data input signal, SDIN, a 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 application interface. The SDOUT pin is a non-clocked loop-through of SDIN
and may be connected to the SDIN pin of another device, allowing multiple devices
to be connected to the GSPI chain. The interface is illustrated in
Figure 3-11
.
Figure 3-11: GSPI Application Interface Connection
All read or write access to the GS4901B/GS4900B 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.
Application Host
SCLK
SCLK
SCLK
CS1
SDOUT
SDIN
SDOUT
SDOUT
CS
SDIN
SDIN
CS2
GS4911B/GS4910B
CS
GS4911B/GS4910B
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PDF描述 |
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| GS4910B | HD/SD/Graphics Clock and Timing Generator with GENLOCK |
| GS4910BCNE3 | HD/SD/Graphics Clock and Timing Generator with GENLOCK |
| GS4911B | HD/SD/Graphics Clock and Timing Generator with GENLOCK |
| GS4911BCNE3 | HD/SD/Graphics Clock and Timing Generator with GENLOCK |
| GS4915 | CONN,S/R,8 POS,254C-08-1, CLOSED END STRAIN RELIEF COVER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GS4910B | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:HD/SD/Graphics Clock and Timing Generator with GENLOCK |
| GS4910BCNE3 | 功能描述:IC RE-TIMER RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:- 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時(shí)鐘緩沖器/驅(qū)動(dòng)器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
| GS4911ACNE3 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
| GS4911B | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:HD/SD/Graphics Clock and Timing Generator with GENLOCK |
| GS4911B_09 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:HD/SD/Graphics Clock and Timing Generator with GENLOCK |
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