User's Manual
URD1
– OTL 5696.1–
022
/ 72740 Edition 0.4
HILONC-
3GPS
APPLICATION
NOTE
SOMMAIRE
/
CONTENTS
1.
OVERVIEW...................................................................................................................................................................
6
1.1.
Document
Objectives
..........................................................................................................................................
6
1.2.
Reference
Documents
.........................................................................................................................................
6
1.3.
Document
Modifications
......................................................................................................................................
6
1.4.
Conventions
..........................................................................................................................................................
6
2.
Block
Diagram...............................................................................................................................................................
6
3.
Functional
Integration....................................................................................................................................................
8
3.1.
How
to
connect
a
SIM
card
................................................................................................................................
9
3.2.
Audio
Connection
...............................................................................................................................................
11
3.2.1.
PCM
Digital
Audio
......................................................................................................................................
11
3.3.
PWM
....................................................................................................................................................................
14
3.3.1.
PWM
for
Buzzer
connection
.....................................................................................................................
14
3.3.2.
Network
LED
...............................................................................................................................................
15
3.4.
Power
Requirements
.........................................................................................................................................
15
3.5.
UART
...................................................................................................................................................................
16
3.5.1.
Complete
V24
Connection
of
HILONC-3GPS
to
host
..........................................................................
16
3.5.2.
Complete
V24
Interface
with
PC
..............................................................................................................
17
3.5.3.
Partial
V24
(RX-TX-RTS-CTS)
Connection
of
HILONC-3GPS
to
host
..............................................
18
3.5.4.
Partial
V24
(RX-TX)
Connection
of
HILONC-3GPS
to
host
................................................................
19
3.6.
GPIO
....................................................................................................................................................................
19
3.7.
ADC
......................................................................................................................................................................
20
3.8.
Backup
Battery
...................................................................................................................................................
20
3.8.1.
Backup
Battery
Function
Features
..........................................................................................................
20
3.8.2.
Internal
HILONC-3GPS
Charging
Function
...........................................................................................
20
3.8.3.
Backup
Battery
Technology
......................................................................................................................
21
3.9.
USB
......................................................................................................................................................................
21
4.
Power
Management
......................................................................................................................................................
21
4.1.
Power
Modes
......................................................................................................................................................
21
4.2.
Module
Power
up
...............................................................................................................................................
22
4.2.1.
PWON
Power
up
........................................................................................................................................
22
4.2.2.
IO
DC
Presence
before
Power
on
...........................................................................................................
22
4.3.
Power
on
and
Sleep
Diagrams
........................................................................................................................
22
4.4.
Module
Power
off
...............................................................................................................................................
22
4.4.1.
UART
Interface
...........................................................................................................................................
23
4.4.2.
USB
Interface
.............................................................................................................................................
23
4.5.
Sleep
Mode
.........................................................................................................................................................
23
5.
ESD & EMC Recommendations ..................................................................................................................................
24
5.1.
HILONC-3GPS
Handling
..................................................................................................................................
24
5.2.
ESD
Recommendations
....................................................................................................................................
24
5.2.1.
Avoiding
ESD
..............................................................................................................................................
24
5.3.
EMC
recommendations
.....................................................................................................................................
24
6.
Radio
Integration
..........................................................................................................................................................
24
6.1.
Antenna
Connection
..........................................................................................................................................
25
6.1.1.
Antenna
Pad
...............................................................................................................................................
25
6.1.2.
Antenna
Recommendations
.....................................................................................................................
26
6.2.
Ground
Link
Area
...............................................................................................................................................
27
6.3.
Layout
..................................................................................................................................................................
27
6.4.
Mechanical
Recommendations
........................................................................................................................
27
6.5.
Other
Recommendation
-
production/design
test
..........................................................................................
27
7.
Audio
Integration..........................................................................................................................................................
27
7.1.
Mechanical
integration
and
acoustics
.............................................................................................................
27
7.2.
Electronics
and
layout
.......................................................................................................................................
28
Note d’étude / Technical document :
01/08/20111
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Page
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