4DSP AD484 Podręcznik użytkownika - Strona 18

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AD484 user manual

An ADT7411 device is used to monitor the power on the different voltage rails as well as the

temperature. The ADT7411 data are constantly passed to the Virtex-4 device A.

Measurements can be accessed from the host computer via the PCI bus. A software utility

delivered with the board allows the monitoring of the voltage on the 2.5V, 1.8V, 1.2V and

0.9V rails. It also displays the Virtex-4 device B junction temperature.

4.1 External power connector for stand alone mode

An external power connector (J2) is available on side 2 of the PMC, next to the PMC

connectors. It is used to power the board when it is in stand alone mode. This is a right

angled connector and it will be mounted on board only if the card is ordered in its stand alone

version (AD484-SA). The height and placement of this connector on the PCB breaches the

PMC specifications and the module should not be used in an enclosed chassis compliant to

PMC specifications if the external power connector is present on board.

Do not connect an external power source to J2 if the board is powered via the

PMC connectors. Doing so will result in damaging the board.

The external power connector is of type Molex 43045-1021. Each circuit can carry a

maximum current of 5A. The connector pin assignment is as follows:

Table 8 : External power connector pin assignment

February 2007

Figure 9 : Power supply

Pin #

Signal

3.3V

GND

-12V

12V

AD484 User manual

www.4dsp.com

Pin #

V1.2

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