Xilinx UG078 manual Detailed Description, Power Switch

Detailed Description

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Detailed Description

The Virtex-4 prototype platform board is shown in Figure 2. Each feature is detailed in the numbered sections that follow.

6a6c

4 10 11

1

13

3
2
9	19	13	12		13
	8
	7		13
			14
5				16	17
6b	6d		15		18

UG078_02_101904

Figure 2: Detailed Description of Virtex-4 LX/SX Prototype Platform Components

1. Power Switch

The board has an onboard power supply and an ONOFF power switch. When lit, a green LED indicates power from the power brick connector or the 5V jack.

On Position

In the ON position, the power switch enables delivery of all power to the board by way of voltage regulators situated on the backside of the board. These regulators feed off a 5V external power brick or the 5V power supply jack.

The voltage regulators deliver fixed voltages. Maximum current range for each supply will vary. Table 1, page 9 shows the maximum voltage and maximum current for each onboard power supply. If the current exceeds maximum ratings, use the power jacks to supply power to the DUT.

10	www.xilinx.com	Virtex-4 LX/SX Prototype Platform
		UG078 (v1.2) May 24, 2006