User Guide

NSM–5
UI section
PAMS Technical Documentation
Page 3
Issue 1 02/2002
 Nokia Corporation
UI section
Introduction
UI module is implemented on same PWB board with BB–module and RF–
module. UI HW part are LCD, backlighting, audio parts, IR, keyboard,
power key and vibra.
LCD
BASEBAND
IR
LED
Buzzer Keys
1
3
5
8
1
2
2
Vibra
1
BB Interface
Signal Parameter Min Typ Max Unit Notes
IRONX IR–module on/off 0 0.3 x VBB V IR on state
0.7 x VBB VBB Iout@2mA
FBUS_RX
IR receive pulse 0 0.3 x VBB
IR receive no pulse 0.7 x VBB VBB
FBUS_TX
IR transmit pulse 0.7 x VBB VBB Iout@2mA
IR transmit no pulse 0 03 x VBB
VIBRA From VB 0.9 1.0 1.1 V
115 140 mA
ROW (0:4) Rows 0
0.7 x VBB
0.3 x VBB
VBB
V Keyboard matrix
row
COL (0:4) COL0 0
0.7 x VBB
0.3 x VBB
VBB
Keyboard matrix
column
VB Battery voltage 3.0 4.8 Battery voltage
(for lights)