User's Manual

AH3-W Hardware Interface Overview
2.2 AH3-W System Overview
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AH3-W_HD_v01.000 Page 18 of 42 2012-05-29
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2.2 AH3-W System Overview
Figure 1: AH3-W system overview
USB
Serial
ASC0
USIM
Analog
audio
Power
supply
RTC
IGT,
Emergency Off
Net state/
status
SIM
card
Host application
On/Off
Module
Application
or
GSM/UMTS
Antenna diversity
Power for application
(VEXT)
Power indication
(PWR_IND)
Modem interface
Digital
audio
PCM codec
GSM/UMTS
12
GPS
GPS antenna
8x
GPIO
2x
GPIO
Antenna
diagnostic
2x
ADC
Antenna
switch