Pin #/ Signal
name
Signal
description
Spectral range
Voltage/
Current levels
Max or
nominal serial
impedance
Notes
13 / HEAR R N
Audio out
20-20k
1Vpp
10Ω
Not conn. in
mono
14 / HEAR R P
Audio out
20-20k
1Vpp
10Ω
Not conn. in
mono
Baseband technical specifications
External interfaces
External interfaces
Name of Connection
Connector reference
USB
X2001
Charger
X2000
Headset
X2001
SIM
X2700
RS MMC
X5200
Battery connector
X2070
ACI interface electrical characteristics
Description
Parameter
Min
Typ
Max
Unit
Notes
Accessory detection
Headset
detection
threshold
1.75
1.9
2.05
V
N2200
specific
Headset
detection
hysteresis
25
mV
Headset
detection
pull ups
1
2
4
uA
After Mbus is switched to HeadDet
High-level
input
voltage.
V
IH
1.9 x V
DDS
2.5/2.98
3.0
V
N2200
specific
Low-level
input
voltage
V
IL
0
0.2
0.7 x V
DDS
V
RM-180
System Module
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Issue 1
COMPANY CONFIDENTIAL
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