User Guide

NHM–7
System Module & UI
PAMS Technical Documentation
Page 11
Issue 1 10/2001
 Nokia Corporation
External and Internal Signals and Connections
This section describes the external and internal electrical connection and
interface levels on the baseband. The electrical interface specifications
are collected into tables that covers a connector or a defined interface.
Internal Signals and Connections
FM Radio Interface
BB Signal FM Radio
Signal
Min Nom Max Condition Note
VFLASH2
Vcc1 2.7V 2.78V 2.86V max. Icc1
19mA
Vcc2 2.7V 2.78V 2.86V max. Icc2
800uA
VDD 2.7V 2.78V 2.86V max. IDD
3mA
GenIO(3) FMClk
1.4V
0
1.8V 1.88V
0.4V
High
Low
Reference
clock for FM
radio module
76471 Hz Frequency In GSM
30ppm Stability
2 µs t
rise
rise / fall time
GenIO(8) FMWrEn
1.4V
0V
1.8V 1.88V
0.4V
High
Low
20µs t
wd
FMWrEn high
before rising
edge of
FMCtrlClk
(write opera-
tion)
GenIO(11) FMCtrlClk
1.4V
0
1.8V 1.88V
0.4V
High
Low
max. 300kHz
1 µs t
r
/ t
f
rise / fall time
50 ms t
start
FMCtrlClk
delay after
switching on
the VFLASH2
(oscillator run-
ning)