Nokia 5140 Manuales De Servicio
NPL-4/5
System Module and User Interface
Nokia Customer Care
Page 24
Copyright © 2004 Nokia Corporation. All rights reserved.
Issue 1 05/04
UI board interface signals
Table 8: UI board interface signals
Pin
Signal
Min
Nom
Max
Condition
Note
0.7xVIO
VIO
High
Keyboard matrix
0
0.3xVIO Low
row
0
0.7xVIO
VIO
High
0
0.3xVIO
Low
0.7xVIO
VIO
High
0
0.3xVIO
Low
0.7xVIO
VIO
High
0
0.3xVIO
Low
0.7xVIO
VIO
High
0
0.3xVIO
Low
0.7xVIO
VIO
High
0
0.3xVIO
Low
0.7xVIO
VIO
High
0
0.3xVIO
Low
0.7xVIO
VIO
High
0
0.3xVIO
Low
0.7xVIO
VIO
High
0
0.3xVIO
Low
0.7xVIO
VIO
High
0
0.3xVIO
Low
11
Temp
Ambient
temperature
sensor
temperature
sensor
12
GND
0V
13
VLED-
0V
Separate GND for
keypad LEDs
keypad LEDs
7.7V
LED on
0V
LED off
15
GND
0V
2.8V
5.5V
On
0V
0V
Off
17
FCI GND
0V
1.19V
1.9V
high
0V
0.51V
low
1.19V
1.9V
high
0V
0.51V
low
1.19V
1.9V
high
0V
0.51V
low
20
FCIInt
19
Fci Clk
18
FCI Da
Supply Voltage for
Keyboard LED
[note1]
Keyboard LED
[note1]
16
FCI Vout
14
VLED+
7.2V
8.2V
10
ROW(4)
Keyboard matrix
row 4
row 4
9
COL(4)
Keyboard matrix
col 4
col 4
8
COL(3)
Keyboard matrix
col 3
col 3
7
ROW(3)
Keyboard matrix
row 3
row 3
6
COL(2)
Keyboard matrix
col 2
col 2
5
ROW(2)
Keyboard matrix
row 2
row 2
4
COL(1)
Keyboard matrix
col 1
col 1
Keyboard matrix
col 0
col 0
3
ROW(1)
Keyboard matrix
row 1
row 1
1
ROW(0)
2
COL(0)