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參數(shù)資料
| 型號(hào)： | GS4911BCNE3 |
| 廠商： | Gennum Corporation |
| 英文描述： | HD/SD/Graphics Clock and Timing Generator with GENLOCK |
| 中文描述： | 高清/標(biāo)清/圖形時(shí)鐘和定時(shí)發(fā)生器鎖相 |
| 文件頁(yè)數(shù)： | 105/113頁(yè) |
| 文件大小： | 1017K |
| 代理商： | GS4911BCNE3 |
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GS4911B/GS4910B Data Sheet
36655 - 2
April 2006
105 of 113
3.13 JTAG
When the JTAG/HOST input pin of the GS4911B/GS4910B is set HIGH, the host
interface port will be configured for JTAG test operation. In this mode, pins 57
through 60 become TCLK, TDI, TDO, and TMS. In addition, the RESET pin will
operate as the test reset pin.
Boundary scan testing using the JTAG interface will be enabled in this mode.
There are two methods in which JTAG can be used on the GS4911B/GS4910B:
1. As a stand-alone JTAG interface to be used at in-circuit ATE (Automatic Test
Equipment) during PCB assembly; or
2. Under control of the host for applications such as system power on self tests.
When the JTAG tests are applied by ATE, care must be taken to disable any other
devices driving the digital I/O pins. If the tests are to be applied only at ATE, this
can be accomplished with high-impedance buffers used in conjunction with the
JTAG/HOST input signal. This is shown in
Figure 3-19
.
Figure 3-19: In-Circuit JTAG
Alternatively, if the test capabilities are to be used in the system, the host may still
control the JTAG/HOST input signal, but some means for tri-stating the host must
exist in order to use the interface at ATE. This is represented in
Figure 3-20
.
Application HOST
GS4911B/GS4910B
CS_TMS
SCLK_TCLK
SDIN_TDI
SDOUT_TDO
JTAG/HOST
In-circuit ATE probe
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| GS4915 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:ClockCleaner |
| GS4915_09 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:ClockCleaner |
| GS4915-CNE3 | 制造商:Semtech Corporation 功能描述:QFN-40 pin (490/tray) |
| GS4915INE3 | 制造商:Gennum Corporation 功能描述:CLOCKCLEANER HD/SD VIDEO INPUT 40QFN 制造商:Gennum Corporation 功能描述:CLOCKCLEANER, HD/SD, VIDEO INPUT, 40QFN |
| GS4915-INE3 | 功能描述:IC CLK JITTER CLEANR 40QFN RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:ClockCleaner™ 標(biāo)準(zhǔn)包裝:1,000 系列:Precision Edge® 類型:時(shí)鐘/頻率合成器 PLL:無 輸入:CML，PECL 輸出:CML 電路數(shù):1 比率 - 輸入:輸出:2:1 差分 - 輸入:輸出:是/是 頻率 - 最大:10.7GHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VFQFN 裸露焊盤，16-MLF? 供應(yīng)商設(shè)備封裝:16-MLF?（3x3） 包裝:帶卷 (TR) 其它名稱:SY58052UMGTRSY58052UMGTR-ND |
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