User Guide

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AV connector

The AV connector consists of single ended mono or stereo audio output and mono audio input.

The handsfree driver in Avilma is meant for the headset.

Table 15 AV interface electrical characteristics

Signal name Function/

Parameter

Min Typ Max Unit Notes

HSMIC HS mic audio

input

- - 1.3 V

V Max. negative level -

0.7 V

HSEARL HS EAR L audio

output

- - 2 V

V SPR requirement

HSEARR HS EAR R audio

output

- - 2 V

V SPR requirement

MICBIAS HS MIC bias

voltage

2.05 2.1 2.25 V

ECI Vin high 1.7 - 2.6 V

ECI Vin low 0 - 0.7 V

Baseband technical specifications

External interfaces

Name of Connection Connector reference

USB X3300 (on engine PWB)

Charger X2000 (on engine PWB)

Headset X2002 (on AV flex)

SIM X2700 (on engine PWB)

Micro SD X3200 (on engine PWB)

Battery connector X2070 (on engine PWB)

SIM IF connections

Pin Signal I/O Engine connection Notes

C1 VSIM Out EM ASIC N2200 VSIM1 Supply voltage

to SIM card,

1.8V or 3.0V.

C2 SIMRST Out EM ASIC N2200 SIM1Rst Reset signal to

SIM card

C3 SIMCLK Out EM ASIC N2200 SIM1ClkC Clock signal to

SIM card

C5 GND - GND Ground

RM-437; RM-449; RM-450

System Module and User Interface

Page 6 –24 COMPANY CONFIDENTIAL Issue 1