Ui Module Connection To Main Pcb - Nokia NSB-5 Series Technical Documentation Manual

NSB-5
System Module

UI Module Connection to Main PCB

Pin Signal Symbol
1 Temp
sensor
2 LDCDCX tsas
tsah
3 SPKR_p
4 LCDCSX tcss
tcsh
5 SCL
tscyc
tshw
tslw
6 SPKR_n
7 ON/
OFF_key
8 LED-
9 LED+
10 ESD- GND
GND
11 GND GND
12 VDD
13 SDA tsds
tsdh
Page 90
Table 46: Module interface
Parameter
Temperature at LCD for com-
pensation of contrast and
brightness. Reference to GND.
Control/display data flag input
Speaker connection
Chip select input, active low
Serial clock input
Speaker connection
ON/OFF key connection. Refer-
enced to GND
LED negative connection
LED positive connection
GND
GND
Supply voltage
Serial data input
Nokia Mobile Phones Ltd.
PAMS Technical Documentation
Typical/ Maxim
Minimum
Nominal um
47
150
150
low
HIGH
150
150
0.7xVDD
0.2xVD
D
0 3.250
250
100
100
0 VDD
60
60
0
0
2.7 2.8 3.3
100 200
100
Unit/Notes
kΩ NTC
resistor
o
@25 C)
Note: Not
used in
HD955
ns/Setup
time
ns/Hold
time
Control
data
Display
data
ns
ns
V/HIGH
V/LOW
MHz/
VDD=2.7V
ns
ns
ns
V
mA
mA
V
V
V
uA/nomi-
nal supply
volt., text
on display
o
@ 25 C
ns
Issue 1 03/01