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
C7 SIMDATA In/Out EM ASIC N2200 SIM1DaC Data input /
output
SW SIM_DET In EM ASIC N2200 SIMDetX Removal
detection
Charging interface connections & electrical characteristics
Table 16 Charging interface connections
Pin Signal I/O Engine connection Notes
1 Vchar In N2300 VCharIn1, 2 Charging
voltage /
charger
detection,
Center pin
2 Charge GND Ground Charger
ground
Table 17 Charging IF electrical characteristics
Description Parameter Min Max Unit Notes
Vchar V Charge 0 9 V Center pin
Vchar I Charge 0.85 A Center pin
Charge GND 0.85 A
Internal interfaces
Name of Connection Connector reference
Earpiece B2100
Display connector X2450
Keypad connector X2500
RM-356
System Module and User Interface
Issue 1 COMPANY CONFIDENTIAL Page 6 –37
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