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PAMS Technical Documentation
Chapter 4
UI Module UE4S
Original 03/98
PAMS
UI Module UE4S
Technical Documentation
CONTENTS
UIF Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Baseband Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Engine Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The LCD Module Interface . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Distribution Diagram . . . . . . . . . . . . . . . . . . . . . . . . . .
Display Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keyboard Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Backlighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Buzzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts list of UE4S (EDMS Issue 4.1) Code: 0201144 . . . . . . . .
4–3
4–3
4–4
4–5
4–7
4–8
4–8
4–8
4–9
4–10
4–10
4–11
4–12
4–12
4–12
4–13
4–14
Schematic Diagrams UIF/A3
Circuit Diagram of UIF Module (Version 3 Edit 49) for layout 03
Circuit Diagram of Speaker and LCD Modules for layout 03 . .
Circuit Diagram of Keyboard (Version 3 Edit 45) for layout 03 .
Layout Diagram of UE4S (Version 03) . . . . . . . . . . . . . . . . . . . . .
4/A3–1
4/A3–2
4/A3–3
4/A3–4
Page 4–2
Original 03/98
PAMS
Technical Documentation
UI Module UE4S
UIF Module
Introduction
The UI module UE4S is a four layer PCB, which is connected to the sys-
tem/RF PCB with a 28–pin spring connector.
Original 03/98
Page 4–3
PAMS
UI Module UE4S
Technical Documentation
Baseband Block Diagram
Page 4–4
Original 03/98
PAMS
Technical Documentation
UI Module UE4S
The Engine Interface
Pin Line Sym-
bol
1
2
3
4
5
6
ROW0
ROW1
ROW2
ROW3
ROW4
COL0
Parameter
Keyboard matrix row 0
Keyboard matrix row 1
Keyboard matrix row 2
Keyboard matrix row 3
Keyboard matrix row 4
Keyboard matrix column 0,
used for flip identification
Keyboard matrix column 1
Keyboard matrix column 2
Keyboard matrix column 3
Keyboard matrix column 4
Flip interrupt, not used
Flash in
Flash out
Battery voltage
Min
0
0.7xVBB
0
0.7xVBB
0
0.7xVBB
0
0.7xVBB
0
0.7xVBB
0
0.7xVBB
Typ
Max
0.3xVBB
VBB
0.3xVBB
VBB
0.3xVBB
VBB
0.3xVBB
VBB
0.3xVBB
VBB
0.3xVBB
VBB
0.3xVBB
VBB
0.3xVBB
VBB
0.3xVBB
VBB
0.3xVBB
VBB
0.3xVBB
VBB
Unit
V
V
V
V
V
V
Low
High
Low
High
Low
High
Low
High
Low
High
Notes
Flip Open
Flip Closed
7
8
9
10
11
12
13
14
COL1
COL2
COL3
COL4
Signal1
VF_IN
VF_OUT
VBATT
0
0.7xVBB
0
0.7xVBB
0
0.7xVBB
0
0.7xVBB
0
0.7xVBB
4.8
4.8
3.0
60
75
110
0
0
0.7xVBB
0
0.7xVBB
0
0.7xVBB
5.0
5.0
V
V
V
V
V
V
V
V
mA
mA
V
Low
High
Low
High
Low
High
Low
High
5.2
5.2
5.1
100
300
Connected #13
Connected #12
For lights
For buzzer
15
16
17
18
UAGND
*
PWRON
LCDCDX
SCLK
Analog ground
Power on key
LCD driver code/data selection
LCD driver serial clock
0.3xVBB
VBB
0.3xVBB
VBB
0.3xVBB
VBB
V
V
V
Low / Power on
High
Low
High
Low
High
Original 03/98
Page 4–5

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