User's Manual

PCS3_HD_v01.000-03
Confidential / Preliminary
Page 19 of 101
2013-10-21
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PCS3 Hardware Interface Description
2.2 PCS3 System Overview
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Modem Interface
Host Wakeup
Power for Application
(VEXT)
Power Indication
(PWR_IND)
Low current
indication
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2.2 PCS3 System Overview
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Application
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CDMA Module
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USB
Serial
ASC0
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Wake-
up
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Analog
audio
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Digital
audio
Power
supply
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LCI
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IGT,
RTC
Emergency Off
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Net state/
status
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or
PSU
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Host Application
Controller
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PCM or I2C
Codec
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Application
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On/Off
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Figure 1: PCS3 system overview
CDMAMain
Antenna