GE865 Hardware User Guide
1vv0300799 Rev.17– 2017-05-11
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 6 of 75
10.1.2.
Output Lines
.................................................................................................................................................. 51
11.
GENERAL PURPOSE I/O ....................................................................................................................................... 52
11.1.
GPIO
L
OGIC LEVELS
............................................................................................................................................... 53
11.2.
U
SING A
GPIO
P
AD AS
INPUT
............................................................................................................................... 55
11.3.
U
SING A
GPIO
P
AD AS
OUTPUT
........................................................................................................................... 55
11.4.
U
SING THE
RF
T
RANSMISSION
C
ONTROL
GPIO4
.................................................................................................... 55
11.5.
U
SING THE
RFTXMON
O
UTPUT
GPIO5
................................................................................................................ 56
11.6.
U
SING THE
A
LARM
O
UTPUT
GPIO6
........................................................................................................................ 56
11.7.
U
SING THE
B
UZZER
O
UTPUT
GPIO7
....................................................................................................................... 56
11.8.
I
NDICATION OF NETWORK SERVICE AVAILABILITY
.................................................................................................. 57
11.9.
RTC
B
YPASS OUT
................................................................................................................................................... 58
11.10.
E
XTERNAL
SIM
H
OLDER
I
MPLEMENTATION
...................................................................................................... 58
12.
DAC AND ADC SECTION ....................................................................................................................................... 59
12.1.
DAC
C
ONVERTER
................................................................................................................................................... 59
12.1.1.
Description
.................................................................................................................................................... 59
12.1.2.
Enabling DAC
............................................................................................................................................... 60
12.1.3.
Low Pass Filter Example
............................................................................................................................... 60
12.2.
ADC
C
ONVERTER
................................................................................................................................................... 61
12.2.1.
Description
.................................................................................................................................................... 61
12.2.2.
Using ADC Converter
................................................................................................................................... 61
13.
MOUNTING THE GE865 ON YOUR BOARD ........................................................................................................... 62
13.1.
G
ENERAL
................................................................................................................................................................ 62
13.2.
M
ODULE FINISHING
&
DIMENSIONS
........................................................................................................................ 62
13.3.
R
ECOMMENDED FOOT PRINT FOR THE APPLICATION
................................................................................................ 63
13.4.
D
EBUG OF THE
GE865
IN PRODUCTION
................................................................................................................... 64
13.5.
S
TENCIL
.................................................................................................................................................................. 64
13.6.
PCB
PAD DESIGN
.................................................................................................................................................... 65
13.7.
S
OLDER PASTE
........................................................................................................................................................ 66
13.7.1.
GE865 Solder reflow
..................................................................................................................................... 67
14.
PACKING SYSTEM ................................................................................................................................................ 69
14.1.
P
ACKING ON TRAY
.................................................................................................................................................. 69
14.1.1.
Tray detail
..................................................................................................................................................... 70
14.2.
P
ACKAGING ON REEL
.............................................................................................................................................. 71
14.2.1.
Carrier Tape detail
........................................................................................................................................ 71
14.2.2.
Reel detail
...................................................................................................................................................... 72
14.2.3.
Packaging detail
............................................................................................................................................ 73
14.3.
M
OISTURE SENSIBILITY
........................................................................................................................................... 73
15.
SAFETY RECOMMANDATIONS ............................................................................................................................. 74
16.
DOCUMENT HISTORY .......................................................................................................................................... 75
