User Guide

NEM-2
System Module and User Interface CCS Technical Documentation
Page 24 Copyright Nokia. All rights reserved. Issue 1 07/03
FM Radio Interface
BB Signal FM Radio Signal Min Nom Max Condition Note
VFLASH2 Vcca 2.7V 2.78V 2.86V I
max
=10.5 mA
Vcc(vco) 2.7V 2.78V 2.86V I
max
=940 µA
Vccd 2.7V 2.78V 2.86V I
max
= 3.9 mA
GenIO(3) FMClk 1.4V
0
1.8V 1.88V
0.4V
High
Low
Reference clock for
FM radio module
32kHz Frequency Also 6.5 MHz can be
used
30ppm Stability
GenIO(8) FMWrEn 1.4V
0V
1.8V 1.88V
0.4V
High
Low
Write/Read enable
GenIO(12) FMCtrlDa 1.4V
0
1.8V 1.88V
0.6V
High
Low
Bi-directional data
GenIO(11) FMCtrlClk 1.4V
0
1.8V 1.88V
0.6V
High
Low
1 MHz Frequency
FM Antenna RFI1, RFI2 76 MHz 108 MHz FM Input frequency
FM Radio L
FM Radio R
VAFL
VAFR
100mV Audio level
24 dB 30 dB Channel sep-
aration
54dB 60 dB (S+N)/N
2% Harmonic
distortion