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PAMS Technical Documentation
Chapter 4
UI Module UE4S
Original 11/99
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PAMS
UI Module UE4S
Technical Documentation
CONTENTS
Page No
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction
4–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Engine Interface
4–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The LCD Module Interface
4–3
. . . . . . . . . . . . . . . . . . . . . . . . . .
4–6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Distribution Diagram
4–7
. . . . . . . . . . . . . . . . . . . . . . . . . .
4–7
Display Circuit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4–7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keyboard Matrix
4–8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4–9
Power Key
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4–9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Display backlight
4–10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keyboard backlight
4–11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4–11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speaker
4–11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts list of UE4S (EDMS Issue 2.0) Code: 0201360
4–12
. . . . . . . .
4–13
Parts list of UE4S (EDMS Issue 5.0) Code: 0201360
. . . . . . . .
4–14
Schematic Diagrams A3
Block Diagram of UIF Module UE4S (v.3.0 Edit 49)
for layout version 04
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4/A3–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Diagram of Keyboard (Version3.0 Edit 45)
for layout version 04
4/A3–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Diagram of Backlight (Version 3.0 Edit 27)
for layout version 04
4/A3–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4/A3–4
Layout Diagram of UE4S v.04
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
4/A3–5
Page 4–2
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UIF Module
Functional Description
Keyboard
Backlighting
Buzzer
Circuit Diagram of Speaker (3.0 edit 29) and LCD (v.3.0 edit 29)
Modules for layout version 04
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PAMS
Technical Documentation
UI Module UE4S
UIF Module UE4S
Introduction
The UI module UE4S is connected to the system/RF PCB with a 28–pin
spring connector.
The Engine Interface
Pin Line Sym-
bol
Parameter
Min
Typ
Max
Unit
Notes
1 ROW0
Keyboard matrix row 0
0
0.3xVBB
V Low
0.7xVBB
VBB
High
2 ROW1
Keyboard matrix row 1
0
0.3xVBB
V Low
0.7xVBB
VBB
High
3 ROW2
Keyboard matrix row 2
0
0.3xVBB
V Low
0.7xVBB
VBB
High
4 ROW3
Keyboard matrix row 3
0
0.3xVBB
V Low
0.7xVBB
VBB
High
5 ROW4
Keyboard matrix row 4
0
0.3xVBB
V Low
0.7xVBB
VBB
High
6 COL0
Keyboard matrix column 0,
used for flip identification
0
0.3xVBB
V Flip Open
0.7xVBB
VBB
Flip Closed
7 COL1
Keyboard matrix column 1
0
0.3xVBB
V Low
0.7xVBB
VBB
High
8 COL2
Keyboard matrix column 2
0
0.3xVBB
V Low
Original 11/99
Page 4–3
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PAMS
UI Module UE4S
Technical Documentation
Pin
Line Sym-
bol
Parameter
Min
Typ
Max
Unit
Notes
0.7xVBB
VBB
High
9 COL3
Keyboard matrix column 3
0
0.3xVBB
V Low
0.7xVBB
VBB
High
10 COL4
Keyboard matrix column 4
0
0.3xVBB
V Low
0.7xVBB
VBB
High
11 Signal1
Flip interrupt, not used
0
0.3xVBB
V
0.7xVBB
VBB
12 VF_IN
Flash in
4.8
5.0
5.2
V Connected #13
13 VF_OUT
Flash out
4.8
5.0
5.2
V Connected #12
14 VBATT
Battery voltage
3.0
5.1
V
60
75
100
mA For lights
110
300
mA For buzzer
15 UAGND * Analog ground
0
V
16 PWRON
Power on key
0
0.3xVBB
V Low / Power on
0.7xVBB
VBB
High
17 LCDCDX LCD driver code/data selection
0
0.3xVBB
V Low
0.7xVBB
VBB
High
18 SCLK
LCD driver serial clock
0
0.3xVBB
V Low
0.7xVBB
VBB
High
0
4.0
MH
z
19 SDA
LCD driver serial data
0
0.3xVBB
V Low
0.7xVBB
VBB
High
20 LCDCSX LCD driver chip select
0
0.3xVBB
V Low / Active
0.7xVBB
VBB
High
21 LCDRSTX LCD driver reset
0
0.3xVBB
V Low / Active
0.7xVBB
VBB
High
22 UDGND *
Digital ground
0
V
23 BUZZER
Buzzer PWM control
0
2.85
V
24 VL
Supply voltage
2.7
2.8
2.85
V
300
uA
25 SPARE
Call indicator LED
0
0.3xVBB
V Not used in UI
0.7xVBB
VBB
26 LIGHT
Illumination control
0
0.3xVBB
V Low
0.7xVBB
VBB
High / Active
27 EARN
Speaker neutral
0
1.78
V pp
28 EARP
Speaker positive
0
1.78
V pp
Page 4–4
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PAMS
Technical Documentation
UI Module UE4S
* Ground position is on connector NOT BATTERY.
LCD
15
28
14
1
UIM connector pads viewed from the GND side
See the A3 diagrams for current schematics and component placement.
Display
Display LCD84x48 is full dot matrix display, with COG driver. Display size
is 84 columns and 48 rows. With the display graphic images can be pres-
ented.
Figure 1. LCD cell DSL 84x48
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Page 4–5
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