User's Manual

Table Of Contents

AHS3-W Hardware Interface Overview

3 Application Interface

AHS3-W_HIO_v02.540a Page 19 of 41 2012-09-05

Confidential / Preliminary

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3 Application Interface

AHS3-W is equipped with an SMT application interface that connects to the external applica-

tion. The host interface incorporates several sub-interfaces described in the following sections:

• Operating modes - see Section 3.1

• Power supply - see Section 3.2

• Serial interface USB - see Section 3.3

• Serial interface ASC0 - Section 3.4

• UICC/SIM/USIM interface - see Section 3.5

• Analog audio interface - see Section 3.6

• Pulse Code Modulation interface (PCM) - see Section 3.7