User's Guide

MC55i-W Hardware Interface Overview
3 Application Interface
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MC55i-W_HIO_v01.301 Page 17 of 30 2011-3-8
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3 Application Interface
MC55i-W is equipped with a 50-pin board-to-board connector that connects to the external ap-
plication. The host interface incorporates several sub-interfaces: power supply, SIM interface,
serial interface ASC0, serial interface ASC1, analog audio interface, and DAI/PCM interface
(for details see Chapter 2 and Section 5.5).