Nokia NSB-6 Series Technical Documentation Manual page 27

PAMS Technical Documentation
used for the sleep mode timing. The sleep clock is active when there is a
battery voltage available i.e. always when the battery is connected.
MAD2WD1 supply voltages are VBB and VCORE (V2V), VBB feed I/O
pins so that MAD2WD1 is externally fully compatible with old versions.
VCORE feed MAD2WD1 internal fuctions supplyoltage; CPU, DSP and
system logic.
Pin Pin Name
N:o
A1 MCUGemIO 0
C2 LEADGND
D2 Col4
D3 Col3
H11 MCUGenIO1
E4 GND
D4 Col2
C4 Col1
C3 Col0
D1 LCDCSX
E1 LEADVCC
LoByteSelX
F12
E3 Row5LCDCD
N4 VCC_CORE
E2 Row4
Issue 1 06/2000
Pin Connected Drive
Type to/from req.
mA
O 2
I/O UIF 2
I/O UIF 2
I/O 2
I/O UIF 2
I/O UIF 2
I/O UIF 2
I/O UIF 2
I/O UIF 2
I/O UIF 2
E Nokia Mobile Phones Ltd.
System Module
Reset Note
State
0
purpose output
Input Program- I/O line for key-
mable pullup board column 4
PR0201
Input Program- I/O line for key-
mable pullup board column 3
PR0201
Input, Pullup General purpose
pullup PR0201
Input Program- I/O line for key-
mable pullup board column 2
PR0201
Input program- I/O line for key-
mable pullup board column 1
PR0201
Input program- I/O line for key-
mable pullup board column 0
PR0201
Input external serial LCD driver
pullup/down chip select, par-
allel LCD driver
Input, pullup Keyboard row5
pullup PR0201 data I/O , serial
LCD driver com-
mand/data indi-
LCD driver read/
Core VCC in
3325c10
Input, pullup I/O line for key-
pullup PR0201 board row 4, par-
allel LCD driver
register selection
NSB–6
Explanation
MCU General
port
Lead Ground
I/O port
Ground
enable
Lead Power
NC
cator, parallel
write select
Power
control
Page 27