DA converter and headphone amplifier
Figure 88 DA converter and headphone amplifier
Baseband technical specifications
External interfaces
Name of connection
Connector reference
HS USB
X3300
MicroSD card
X300 on Reader FPC
Battery connector
X2070
SIM card reader
X2700
Accessory (AV)
connector
X401 on AV FPC
SIM IF connections
Pin
Signal
I/O
Engine connection
Notes
1
VSIM1
Out
EM ASIC N2200
VSIM1
Supply voltage
to SIM card,
1.8V or 3.0V.
2
SIMRST
Out
EM ASIC N2200
SIM1Rst
Reset signal to
SIM card
3
SIMCLK
Out
EM ASIC N2200
SIM1ClkC
Clock signal to
SIM card
RM-555
System Module and User Interface
Page 6 –32
COMPANY CONFIDENTIAL
Issue 1
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