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| 型號： | GS4900B |
| 廠商： | Gennum Corporation |
| 英文描述： | SD Clock and Timing Generator with GENLOCK |
| 中文描述： | 統(tǒng)計時鐘和定時發(fā)生器鎖相 |
| 文件頁數(shù)： | 11/95頁 |
| 文件大?。?/td> | 898K |
| 代理商： | GS4900B |
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GS4901B/GS4900B Preliminary Data Sheet
37703 - 0
April 2006
11 of 95
12
ANALOG_GND
–
Power
Supply
Ground connection for the analog input block. Connect to GND.
13
AUD_PLL_GND
(GS4901B only)
–
Power
Supply
Ground connection for the audio clock synthesis internal block. Connect
to GND.
ANALOG_GND
(GS4900B only)
–
Power
Supply
Ground connection for the analog input block. Connect to GND.
14
AUD_PLL_VDD
(GS4901B only)
–
Power
Supply
Most positive power supply connection for the audio clock synthesis
internal block. Connect to +1.8V DC.
ANALOG_GND
(GS4900B only)
–
Power
Supply
Ground connection for the analog input block. Connect to GND.
15
10FID
Non
Synchronous
Input
REFERENCE SIGNAL INPUT
Signal levels are LVCMOS/LVTTL compatible.
The 10FID external reference signal is applied to this pin by the
application layer. 10FID defines the field in which the video and audio
clock phase relationship is defined according to SMPTE 318-M. It is also
used to define a 3:2 video cadence.
NOTE: If the input reference format does not include a 10 Field ID signal,
this pin should be held LOW. See
Section 3.4.2 on page 41
.
16
HSYNC
Non
Synchronous
Input
REFERENCE SIGNAL INPUT
Signal levels are LVCMOS/LVTTL compatible.
The HSYNC external reference signal is applied to this pin by the
application layer. When the GS4901B/GS4900B is operating in Genlock
mode, the device senses the polarity of the HSYNC input automatically,
and references to the leading edge.
This signal must adhere to one of the 36 defined video standards
supported by the device. In this mode of operation, the HSYNC input
provides a horizontal scanning reference signal.
The HSYNC signal may have analog timing, such as from a sync
separator, or may be digital such as from an SDI deserializer.
Section 1.4
on page 20
describes the 36 video formats recognized by the
GS4901B/GS4900B.
17
VSYNC
Non
Synchronous
Input
REFERENCE SIGNAL INPUT
Signal levels are LVCMOS/LVTTL compatible.
The VSYNC external reference signal is applied to this pin by the
application layer. When the GS4901B/GS4900B is operating in Genlock
mode, the device senses the polarity of the VSYNC input automatically,
and references to the leading edge.
This signal must adhere to one of the 36 defined video standards
supported by the device. In this mode of operation, the VSYNC input
provides a vertical scanning reference signal.
The VSYNC signal may have analog timing, such as from a sync
separator, or may be digital such as from an SDI deserializer.
Section 1.4
on page 20
describes the 36 video formats recognized by the
GS4901B/GS4900B.
18, 31, 38,
50, 62
IO_VDD
–
Power
Supply
Most positive power supply connection for the digital I/O signals.
Connect to either +1.8V DC or +3.3V DC.
NOTE: All five IO_VDD pins must be powered by the same voltage.
Table 1-1: Pin Descriptions (Continued)
Pin
Number
Name
Timing
Type
Description
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| GS4900BCNE3 | SD Clock and Timing Generator with GENLOCK |
| GS4901B | SD Clock and Timing Generator with GENLOCK |
| GS4901BCNE3 | SD Clock and Timing Generator with GENLOCK |
| GS4910B | HD/SD/Graphics Clock and Timing Generator with GENLOCK |
| GS4910BCNE3 | HD/SD/Graphics Clock and Timing Generator with GENLOCK |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GS4900BCNE3 | 功能描述:IC RE-TIMER RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時鐘緩沖器/驅(qū)動器 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 |
| GS4901B | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:SD Clock and Timing Generator with GENLOCK |
| GS4901B_09 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:SD Clock and Timing Generator with GENLOCK |
| GS4901BCNE3 | 功能描述:IC RE-TIMER RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時鐘緩沖器/驅(qū)動器 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 |
| GS4910B | 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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