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bsamuels
53 Posts |
 Posted - 17 Oct 2005 : 09:48:06
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Sphere User's Manual (rev 3,  PDF 737kB)
The Sphere is a full-featured single board computer driven by the highly integrated Cirrus Logic EP9315 ARM system-on-chip processor. Among other features, the EP9315 supports Ethernet, USB, EIDE, LCD displays and includes a floating point math engine optimized for digital music compression and decompression.
The Sphere is designed to meet the needs of embedded and graphical systems developers whose applications require low power, a small form factor and an aggressive price point.
Changes, updates and errata for this document will appear as replies to this topic as they become available.
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akidder
1519 Posts |
Posted - 06 Jul 2006 : 21:41:30
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Update: GPIOs Configured as Inputs have Pull-ups
When configured as inputs, the Cirrus Logic EP9315 digital I/Os enable software 3.3V pull-ups. Unconnected pins will read a logic high when configured as inputs.
We will post further details (e.g. impedance of the pull-ups) as we receive them from Cirrus Logic. |
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