User's Manual

Cinterion
®
AGS2-E Hardware Interface Overview
3 Application Interface
27
 AGS2-E_HIO_v00.021 2014-03-20
Confidential / Preliminary
Page 19 of 40
3 Application Interface
AGS2-E 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:
• Power supply - see Section 3.2
• RTC backup – see Section 3.3
• SIM/USIM interface - see Section 3.4
• Serial interface ASC0 - see Section 3.5
• Analog audio interface - see Section 3.6
• Digital audio interface (PCM) - see Section 3.7
• ADC interface - see Section 3.8
• GPIO interface - see Section 3.9
•I
2
C interface - Section 3.10
• Status Control - LED: Section 3.11, PWR_IND: Section 3.12