User Guide

CC Technical Documentation System Module
NPM-10 (3595)
Issue 2 03/2004 ©2004 Nokia Corporation Confidential Page 11
Baseband – RF Interface
7 VDD
2in
VDD Booster
power supply
2.6 2.78 2.86 V VFLASH1
8 VLCD
out
VOUT Booster out-
put
- - 12 V Decoupled to
GND on PCB with
1uF
Table 12: BB - RF Interface Description
Signal
Name
From To Parameter Min Typ Max Unit Notes
RFICCNTRL (2:0) Mjoelner control bus
RFBUSEN1X UPP Mjoelner
Logic "1" 1.38 - 1.80 V RF Chip select
Logic "0" 0 - 0.4 V
RFBUSDA UPP Mjoelner
Logic "1" 1.38 - 1.80 VRF serial
control bus
(bi-directional)
Logic "0" 0 - 0.4 V
RFBUSCLK UPP Mjoelner
Logic "1" 1.38 - 1.80 V RF bus clock
Logic "0" 0 - 0.4 V
Clock System clock for phone
RFCLK Mjoel-
ner
UPP
Frequency - 26 - MHz System clock
UPP minimum
recommended
amplitude is 0.3
Vpp.
Waveform:
Sinus/triangle
Signal ampli-
tude
0.3 1 1.376 Vpp
Duty cycle
(Mjoelner spec.)
40 - 60 %
RFCONV (9:0)
RF / BB analogue signals
RXIINP Mjoel-
ner
UEM
Voltage swing 1.35 1.4 1.45 V Positive in-
phase Rx signal
DC level 1.3 1.35 1.4 V
I/Q amplitude
mismatch
- - 0.2 dB
I/Q phase mis-
match
-5 - 5 Deg.
Data clock rate - - 13 MHz
Table 11: LCD Connector Interface (Continued)
Pin Signal
NMP
net
Symbol Parameter Min. Type Max Unit Notes