2. Soldering the headers
Before using your click
™
board, make sure
to solder 1x8 male headers to both left and
right side of the board. Two 1x8 male headers
are included with the board in the package.
1
GNSS
click
™
2
3
4. Essential features
GNSS click
™
shares the same form factor of
Quectel’s L80 module which (used on GPS3
click
™
) and the same set of technologies:
automatic prediction of orbits from data stored
in internal flash (EASY
™
technology); and
adaptive adjusting of on/off time to balance
between positioning accuracy and power
consumption (AlwaysLocate
™
technology).
The module can also automatically switch
between the internal patch antenna and
external active antenna, keeping track of
positioning during the switching process.
1. Introduction
GNSS click
™
carries
Quectel’s L86 GNSS
module
with a patch antenna along with an
external antenna connector. GNSS stands
for
global navigation satellite system,
a
term which encompasses both the United
States
GPS
and the Russian
GLONASS
global positioning systems. The board
communicates with the target MCU through
mikroBUS
™
UART (TX, RX), CS
(used here for
FON), and
RST
pins. The board uses a 3.3V
power supply only. A
V_BAT connection
pad
for a backup power supply is also available.
Turn the board upside down so that
the bottom side is facing you upwards.
Place shorter pins of the header into the
appropriate soldering pads.
Turn the board upward again. Make sure
to align the headers so that they are
perpendicular to the board, then solder the
pins carefully.
3. Plugging the board in
Once you have soldered the headers your
board is ready to be placed into the desired
mikroBUS
™
socket. Make sure to align the
cut in the lower-right part of the board with
the markings on the silkscreen at the
mikroBUS
™
socket. If all the
pins are aligned correctly,
push the board all the way
into the socket.
click
www.mikroe.com
GNSS click
™
manual
ver 1.00
™
BOARD
0100000074855
5. Schematic
VCC-3V3
R1
2K2
VCC-3V3
R3
3K3
LD3
VCC-3V3
R2
3K3
LD2
8. Code examples
Once you have done all the necessary
preparations, it’s time to get your click
™
board
up and running. We have provided examples
for mikroC
™
, mikroBasic
™
and mikroPascal
™
compilers on our
Libstock
website. Just
download them and you are ready to start.
LD1
AADET
R1
R2
Q1
PDTC114EU
PPS
R1
R2
Q2
PDTC114EU
P$2
P$1
GND
EXT_ANT
GND
GND
P$3
SIGNAL
CN2
GND
VCC-3V3
V_BCKP
VCC-3V3
.com
9. Support
MikroElektronika offers
free tech support
(www.mikroe.com/support)
until the end of
the product’s lifetime, so if something goes
wrong, we’re ready and willing to help!
VCC-3V3
AN
RST
CS
SCK
MISO
MOSI
+3.3V
GND
PWM
INT
TX
RX
SCL
SDA
+5V
GND
FORCE_ON
RESET
VCC-3V3
R4
10K
J2
PPS
V_BCKP
TX
RX
C2
100nF
E2
10uF
CN1
R5
0R
U1
FORCE_ON
AADET_N
NC
RESET
EX_ANT
GND
7
8
9
10
11
12
6
5
4
3
2
1
1PPS
V_BCKP
VCC
GND
TXD1
RXD1
TX
RX
FORCE_ON
AADET
RESET
EXT_ANT
Quectel
L86
GND
GND
GND
MIKROBUS DEVICE CONN.
L86-M33
VCC-3V3
VCC-3V3
E1
10uF
GND
GND
GND
GND
GND
C1
100nF
GND
6. Dimensions
25.4 mm / 1000 mils
7. External antenna connector
mm
LENGTH
WIDTH
HEIGHT*
* without headers
10. Disclaimer
MikroElektronika assumes no responsibility
or liability for any errors or inaccuracies
that may appear in the present document.
mils
1690
1000
388.6
GNSS click has a connector for an external
active antenna that could be used alongside,
or instead of the patch antenna that’s
™
42.9
25.4
8.6
Specification and information contained in
the present schematic are subject to change
at any time without notice.
Copyright © 2015 MikroElektronika.
All rights reserved.
42.9 mm / 1690 mils
already on the module. To get one, search for
“GPS antenna” at
www.mikroe.com/store
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