User's Manual

PHS8-US Hardware Interface Overview
3 Application Interface
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PHS8-US_HIO_v01.000 Page 19 of 40 2012-01-06
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3 Application Interface
PHS8-US 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
• Digital audio interface (PCM or I
2
S) - see Section 3.7