Ui Module; Uif Module; Introduction; Bb Interface - Nokia NSB-7 Series Service Manual

NSB-7

UI Module

UIF Module

Introduction

UI module is implemented on the same PCB board with BB-module and RF-module. UI
HW parts are LCD, backlighting, audio parts, IR, keyboard, power key and vibra.

BB Interface

Signal Parameter
IRONX IR-module on/off
FBUS_RX IR receive pulse
IR receive no pulse
FBUS_TX IR transmit pulse
IR transmit no pulse
VIBRA From VB
ROW (0:4) ROWS
COL (0:4) COL0
VB Battery Voltage
Page 4
Buzzer Keys
1
2
BASEBAND
2
1
LED
Vibra
Figure 1: User Interface
Min
0
0.7 x VBB
0
0.7 x VBB
0.7 x VBB
0
0.9
0
0.7 x VBB
0
0.7 x VBB
3.0
ãNokia Mobile Phones Ltd.
PAMS Technical Documentation
8
5
LCD
3
IR
1
Typ Max Unit
0.3 x VBB V
VBB
0.3 x VBB V
VBB
VBB V
0.3 x VBB V
1.0 1.1 V
115 140 mA
0.3 x VBB V
VBB
0.3 x VBB V
VBB
4.8 V
Notes
IR on state
lout@2mA
lout@2mA
Keyboard matrix row
Keyboard matrix
column
Battery
voltage (for lights)
Issue 1 06/00