Specifications

ARM DUI 0447J Copyright © 2009-2014, ARM. All rights reserved. 2-1
ID052914 Non-Confidential
Chapter 2
Hardware Description
This chapter describes the hardware on the Motherboard Express µATX. It contains the
following sections:
• Motherboard architecture and buses on page 2-2
• Power up, on/off and reset signals on page 2-6
• Clock architecture on page 2-9
• Power on page 2-11
• Peripherals and interfaces on the motherboard on page 2-12
• Interrupt signals on page 2-18
• DMA signals on page 2-20
• JTAG and test connectors on page 2-21.