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Nokia Customer Care
TF4 Technical Information
Company Confidential
TFE-4/RV-1
Issue 2.0 Mar/2005
Copyright
©
2005
Nokia Corporation.
Page 8b-17
Company Confidential
BT-HW interface
Figure 7: BT102 HW interface
The following table describes the signals covering the interface between the BT module
and the engine. The signal names are referring to the NPL-1 schematic diagram.
Table 2: BT – BB interface description
Signal name
MCM pin #
From
To
Para-
meter
Min.
Typ.
Max.
Unit
Notes
RESET
RESETX
44
UEM
PURX
MCM
Logic "1"
1.40
1.80
V
BB reset
Logic "0"
0
0.20
V
Clock input
SYSCLCK
50
RF
MCM
Signal
amplitude
0.30
0.80
Vpp
System clock
input
Frequency
26
MHz
EN26MHZ
18
UEM
Vio
MCM
Voltage
1.40
1.80
V
Defines system
clock. "1" = 26
MHz
HELGE
GPP7 –
FBUS-RX
GPP6 – FBUS-TX
GPP0 - LPRFSync
GPP1 - LPRFIntReq
UPP
UEM
VAPPL
VI
O
LP
R
F
Int
LP
R
F
S
y
nc
US
ART
Rx
U
S
AR
TTx
SLEE
P
X
RES
ET
X
SleepClk
SleepClk
Mjölner
RFClk
SY
SCL
K
Power
Connector
VC
C
PURX
PURX
SLPC
LK
VBat
VDD
VBBEN
EN26MHZ
GND
ANT
VPP
SleepX
SleepX
OS
C
ON
Vf
la
s
h
1
26MHz
VREG
&