Baseband Technical Specifications; External Interfaces; Sim If Connections - Nokia n81 Service Manual

RM-179; RM-223
System Module and User Interface
Signal Function/
name Parameter
HSEARL*) HS Ear L audio
output
HSEARR*) HS Ear R audio
output
Micbias HS MIcbias
Voltage
ECI Vin high
ECI Vin low
*) Non EU variants have +6dB higher max level (double max value)

Baseband technical specifications

External interfaces

Name of connection
USB
Charger plug
AV connector (Headset)
SIM reader
Micro SD reader
Battery connector

SIM IF connections

Pin Signal
C1 VSIM
C2 SIMRST
C3 SIMCLK
C5 GND
C7 SIMDATA
Issue 1
Min Typ
- -
- -
2,05 2,1
1,7 -
0 -
Connector reference
X2030 (on engine PWB)
X2000
X2001 (on engine PWB)
X2700 (on engine PWB)
X3200 (on engine PWB)
X2070 (on engine PWB)
I/O Engine connection
Out EM ASIC N2200
Out EM ASIC N2200
Out EM ASIC N2200
- GND
In/Out EM ASIC N2200
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
Max Unit
2 Vpp SPR
requirement
2 Vpp SPR
requirement
2,25 V
2,6 V
0,7 V
VSIM1 Supply voltage to SIM card, 1.8V or
3.0V.
SIMRstC1 Reset signal to SIM card
SIMClkC1 Clock signal to SIM card
Ground
SIMDaC1 Data input /output
Note
Notes
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