PAMS Technical Documentation
UI Module
NSB-7
Issue 1 06/00
ã
Nokia Mobile Phones Ltd.
Page 5
PWRONX
0
0.7 x VBB
0.3 x VBB
VBB
V
Power on key
ROW5/
LCDCD
LCD command/data
0
0.7 x VBB
0.3 x VBB
VBB
V
keyboard matrix row 5
LCD driver code/data
selection
SCL
Serial clock for LCD
0
0.7 x VBB
0.3 x VBB
VBB
V
LCD driver serial clock
SDA
Serial data for LCD
0.3 x VBB
VBB
V
LCD driver serial data
LCDEN
LCD enable
0
0.7 x VBB
0.3 x VBB
VBB
V
LCD driver chip select
LCDRSTX
Reset
0
0.7 x VBB
0.3 x VBB
VBB
V
LCD driver reset
GND
0
0
V
Ground
BUZZER
0
0.7 x VBB
440
0
0.3 x VBB
VBB
4700
50
V
V
Hz
%
PWM low level
PWM high level
Buzzer PWM fre-
quency
PWM duty cycle
VBB
2.7
2.8
2.9
V
Logic supply voltage
LIGHT
0
0.7 x VBB
0.3 x VBB
VBB
V
Illumination control
EARN
17.6
788
mV
Connected to COBBA
EARN output.
EARP
17.6
788
mV
Connected to COBBA
EARP output.
CCUT
Charging control
0
0.7 x VBB
0.3 x VBB
VBB
Stops charging
Signal
Parameter
Min
Typ
Max
Unit
Notes
Содержание NSB-7 Series
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