User's Manual

PXS8 Hardware Interface Description
2.2 PXS8 System Overview
19
PXS8_HD_v03.000 Page 19 of 41 2012-11-30
Confidential / Preliminary
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2.2 PXS8 System Overview
Figure 1: PXS8 system overview
USB
Serial
ASC0
UICC
Analog
audio
Power
supply
RTC
IGT,
Emergency Off
Net state/
status
SIM
Card
Host Application
Controller
On/Off
Module
Application
PSU
or
UMTS/CDMA
diversity antenna
Power for Application
(VEXT)
Power Indication
(PWR_IND)
Modem Interface
Digital
audio
PCM or I2S
Codec
GSM/UMTS/CDMA
GNSS
GNSS antenna
LCI
Low current
indication
GSM/UMTS/CDMA
main antenna
Wake-
up
Host Wakeup
GNSS
active antenna supply,
current limiter
Power
Supply
Application