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Hardware Description
3-82 Copyright © 2003-2007 ARM Limited. All rights reserved. ARM DUI 0224F
Figure 3-35 SCI block diagram
You can set the Smart Card interface voltage to operate at 5V, 3.3V or 1.8V by setting
jumpers on J27 (for SCI0) and J50 (for SCI1).
Connect pins AB for 3.3V operation
Connect pins CB for 5V operation
omit the link for 1.8V operation.