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Message-ID: <20131129124434.GB25501@openwall.com>
Date: Fri, 29 Nov 2013 16:44:34 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: ZedBoard power
Katja,
Here's a curious discussion thread that suggests some designs may be
failing on ZedBoard because they consume more power from the onboard 1V
voltage regulator than it is able to provide:
http://www.zedboard.org/content/1v-power-supply-under-powered
You may want to consider this possibility when debugging issues.
Here's a lot of detail on ZedBoard's power distribution, including the
many voltages generated with various onboard DC-DC voltage regulators,
max currents available from each, and how most of them are input to the
Zynq chip:
http://www.maximintegrated.com/app-notes/index.mvp/id/5449
A discussion thread on not being able to easily measure power
consumption by Zynq on ZedBoard, and someone saying he measured as
little as 1.5W consumed by Zynq on another board (but of course this
will vary):
http://forums.xilinx.com/t5/Xilinx-Boards-and-Kits/Zedboard-power-analysis-amp-measurement/td-p/271250
Alexander
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