User Guide

The vibra motor is connected to the Avilma ASIC VibraP and VibraN Pulse Width Modulated (PWM) outputs.
Figure 57 Vibra circuitry
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 16 AV interface electrical characteristics
Signal name Function/
Parameter
Min Typ Max Unit Notes
HSMIC HS mic audio
input
- - 1.3 V
pp
V Max. negative level -
0.7 V
HSEARL HS EAR L audio
output
- - 2 V
pp
V SPR requirement
HSEARR HS EAR R audio
output
- - 2 V
pp
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 X2005 (on engine PWB)
Charger X2001 (on engine PWB)
Headset X2001 (on engine PWB)
SIM X8302 (on uSD/SIM rigid flex)
Micro SD X8301 (on uSD/SIM rigid flex)
Battery connector X2070 (on engine PWB)
RM-244
System Module and User Interface
Issue 1 COMPANY CONFIDENTIAL Page 6 –25
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