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PAMS
Technical Documentation
Pin
Pin Name
N:o
10
Col3
11
GND
12
Col2
13
Col1
14
Col0
15
LCDCSX
16
LEADVCC
17
Row5LCDCD
18
VCC
19
Row4
20
Row3
21
Row2
22
Row1
23
Row0
Original 11/97
Pin
Connected
Drive
Type
to/from
req.
mA
I/O
UIF
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
I/O
UIF
2
I/O
UIF
2
I/O
UIF
2
I/O
UIF
2
System Module
Reset
Note
State
Input
program-
I/O line for key-
mable pullup
board column 3
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
Input,
pullup
I/O line for key-
pullup
PR0201
board row 3, par-
allel LCD driver
Input,
pullup
I/O line for key-
pullup
PR0201
board row 2, par-
allel LCD driver
Input,
pullup
I/O line for key-
pullup
PR0201
board row 1, par-
allel LCD driver
Input,
pullup
I/O line for key-
pullup
PR0201
board row 0, par-
allel LCD driver
NSE–3
Explanation
Ground
enable
Lead Power
cator, parallel
write select
Power
control
data
data
data
data
Page 3 – 35
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