Wavecom GS64 Spécifications Page 56

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Product Technical Specification & Customer Design Guidelines
Interfaces
Electrical characteristics of AUXO
Parameters Min Typ Max Unit
Biasing
voltage
Through coupling capacitor - - - V
- 1.9 TBC Vpp
Output
swing
voltage
RL=2k
Ω; AT+VGR=6; single-
ended
RL Load resistance 2 - -
K
Ω
*The output voltage depends on the output speaker gain set by AT command. Please refer to the
document
.
© Confidential
Page: 55 / 116
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without
prior written agreement.
WA_DEV_Q64_PTS_001-003 January 9, 2009
[4] AT Command Interface Guide for Open AT®
Firmware v6.5
3.11.3 Pin Description
Signal Pin I/O I/O type Description
number
53
MIC1P I Analog Microphone 1 positive input
54
MIC1N I Analog Microphone 1 negative input
57
AUXI I Analog Auxiliary audio input
55
EARP O Analog Earpiece 1 positive output
56
EARN O Analog Earpiece 1 negative output
59
AUXO O Analog Auxiliary audio output
60
AREF I Ground Analog Ground
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