Page 1
R4/F4 Series
Master Development System
User's Guide
Page 2
Page 3
Table of Contents
1
Introduction
2
Ordering Information
2
R4/F4 Series Receiver Development Board
2
Board Objects
3
Initial Setup
3
Troubleshooting
3
The Prototyping Area
4
The GPS Receiver Section
5
The USB Section
6
The Display Section
7
Master Development Software
8
Schematics
Page 4
Page 5
R4/F4 Series Master Development
System
User's Guide
Figure 1: R4/F4 Series Master Development System
Introduction
The Linx R4/F4 Series RF modules offer a simple, efficient and
cost-effective method of adding GPS capabilities to any product. The
Master Development System is intended to give a designer all the tools
necessary to correctly incorporate the R4/F4 Series into an end product.
The development boards themselves serve several important functions:
• Rapid Module Evaluation: The boards allow the performance of the Linx
R4/F4 Series modules to be evaluated quickly in a user’s environment.
• Application Development: An onboard prototyping area allows for the
development of custom circuits directly on the development board. All
signal lines are available on a header for easy access.
• Design Benchmark: The boards provide a known benchmark against
which the performance of a custom design may be judged.
The Master Development System includes one assembled development
board, two R4/F4 Series receivers*, one SH Series antenna, 4 AAA
batteries and full documentation.
* One part is soldered to each board, one extra is for use on your first prototype board
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Ordering Information
Ordering Information
Part Number Description
MDEV-GPS-R4 R4 Series Master Development System
MDEV-GPS-F4 F4 Series Master Development System
EVM-GPS-R4 R4 Series Master Development System Daughter Board
EVM-GPS-F4 F4 Series Master Development System Daughter Board
RXM-GPS-R4-x R4 Series GPS Receiver Module
RXM-GPS-F4-x F4 Series GPS Receiver Module
ANT-GPS-SH SH Series GPS Antenna
Figure 2: Ordering Information
R4/F4 Series Receiver Development Board
1
2
4
3
Figure 3: R4/F4 Series Receiver Development Board
Board Objects
1. Four AAA Batteries
2. DC Power Jack
3. Power Switch
4. Voltage Regulator
5. USB Interface Module
6. Prototype Area
7. Break-Out Header
5
7
6
10
8. R4/F4 Series Receiver Daughter
Board
9. CR2032 Backup Battery (on the
back)
10. OLED Display
11. OLED Display Power Switch
9
8
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Initial Setup
Unpack the development system and install the AAA and coin-cell
batteries. Connect the external GPS antenna. The power switch can select
between the battery pack / DC power jack or USB if the board is plugged
into a USB bus. To use the display, turn the OLED display power switch
on. The development board is now ready for use. After turning on the
power, the module will determine its current position. Please note, the time
required for an initial fix or after long periods of storage will be considerably
greater than in subsequent operation. Please refer to the module’s data
guide for complete information regarding time-to-first-fix (TTFF). To protect
the display and extend its life, turn the display off before turning the board
off.
Troubleshooting
If the boards fail to work out of the box, then try the following:
• Check the batteries to make sure they are not dead
• Check to make sure that the power switch is in the correct position
• Make sure that the jumper is set correctly
• Make sure that a jumper is installed on the Module Power Header
• Make sure that the batteries are not dead
If all of these appear to be in order, please call +1 800 736 6677 or e-mail
[email protected] for technical support.
The Prototyping Area
In addition to its evaluation functions, the board may also be used for
actual product development. It features a prototyping area to facilitate the
addition of application-specific circuitry. The prototyping area contains a
large area of plated through-holes so that external circuitry can be placed
on the board. The holes are set at 0.100" on center with a 0.040" diameter,
making it easy to add most industry-standard SIP and DIP packages to the
board.
External circuitry can be easily interfaced with the R4/F4 receiver through
the breakout header (J7) to the right of the prototyping area. A jumper
shunt has been provided to control the routing of data into the GPS
module. By default the jumper is set for operation with the on-board USB
module. When communicating with the GPS module using your own
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components this jumper shunt should be removed. At the bottom of the
prototyping area is a row connected to the 3V power supply and at the top
is a row connected to ground.
Note: The on-board 3-volt regulator has approximately 300mA of
headroom available for additional circuitry. If added circuitry requires
a higher current, the user must add an additional regulator to the
prototype area or power the board from an external supply.
Ground Bus
+3 Volt Bus
Figure 4: The Development Board Prototyping Area
The GPS Receiver Section
The receiver module is mounted on a daughter board which plugs into
headers on the main development board. This daughter board has an SMA
antenna connector to allow the attachment of many different styles of GPS
antennas.
Figure 5: The Development Board GPS Receiver Section
On the bottom of the main board is a CR2032 coin cell battery that
provides power to the RTC and SRAM when the receiver is powered down.
This allows the receiver to start up and obtain a position fix faster. This cell
will provide about two years of operation.
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The USB Section
The development board features a Linx QS Series USB module for
interface to a PC. This allows the board to be used with the supplied
development software or with custom software developed by the user.
Figure 6: The USB Section
Drivers for the USB module are included on the software CD in the kit or
may be downloaded from www.linxtechnologies.com. Additional
information on using the QS Series USB module can also be found on the
website.
The USB connection also allows the board to be powered by the USB bus
instead of batteries. This can be convenient during development to
eliminate the need for frequent battery replacement.
Output data from the GPS module is connected directly to the USB module, but data into the GPS module is split. This is to prevent data collisions
between the USB module and any circuitry added to the prototyping area.
To route serial data from the USB module to the serial data receive line on
the GPS module, use the supplied jumper to connect the TX USB and RX
MODULE lines on the breakout header as shown in Figure 7. Remove this
jumper for use with external circuitry. The pin marked TX DISPLAY is for
Linx use and should be left unconnected.
TX MODULE
TX USB
RX MODULE
TX DISPLAY
1PPS
RFPWRUP
EN/ON_OFF
Figure 7: Jumper Configuration
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The Display Section
The R4/F4 Series Master Development System features an OLED screen
that displays the navigation information from the GPS module. This allows
the development board to act as a stand-alone evaluation system without
the need for any additional software.
Figure 8: The Development Board Display Section
The display is driven by an on-board microcontroller located under
the display. Data from the GPS module is connected directly to this
microcontroller. The microcontroller receives data at the receiver’s default
9,600bps. If the receiver’s baud rate is changed, it will not be able to
communicate with the microcontroller.
The display and microcontroller pull about 100mA when fully powered, so a
power switch is supplied to deactivate the display area when not in use,
saving battery life. To protect the display and extend its life, be sure to turn
the display section off before turning off the main power to the board.
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Master Development Software
The development system is supplied with Windows-based software that
communicates with the development board through the USB module. This
software displays the information from the GPS module in the different
NMEA formats and the satellite information, signal strength, and positions
are displayed graphically. If the PC is connected to the internet, the
software plots the current location on Google Maps. Full details are in the
software’s User’s Guide.
Figure 9: Master Development Software
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RECEIVER SECTION DISPLAY SECTION
RECEIVER SECTION DISPLAY SECTION
HEADER SECTION
B2
BATHLD-001
GND
VBACKUP
1
2
3
4
5
6
7
8
9
10
J4
HEADER 10
GND
GND
VCC
VBACKUP
1
2
3
4
5
6
7
8
9
10
J3
HEADER 10
GND
GND
TXM
RXM
EN/ON_OFF
1PPS
LED
RFPWRUP
RECEIVER SECTION DISPLAY SECTION
HEADER SECTION
USB SECTION
B2
BATHLD-001
GND
VBACKUP
1
2
3
4
5
6
7
8
9
10
J4
HEADER 10
GND
GND
VCC
VBACKUP
1
2
3
4
5
6
7
8
9
10
J3
HEADER 10
GND
GND
TXM
RXM
EN/ON_OFF
1PPS
LED
RFPWRUP
1
2
3
4
5
6
7
J7
HEADER 7
TXUSB
TXM
RXM
TXDISP
EN/ON_OFF
1PPS
RFPWRUP
Schematics
GND
TXM
RXM
1PPS
LED
RESET
RFPWRUP
EN/ON_OFF
GND
J3
HEADER 10
Figure 9: Receiver Section Schematic
Figure 10: Header Section Schematic
J2
USB-B
GSHD
GSHD
5
6
GNDGND
Figure 11: USB Section Schematic
VCCU
1
2
3
4
5
6
7
8
9
10
4
GND
3
DAT+
2
DAT -
1
5V
R1
220
D3 D2
GND
VCC
VBACKUP
GND
TXM
TXUSB
RXM
TXDISP
1PPS
RFPWRUP
EN/ON_OFF
GND
GND
U2
1
USBDP
2
USBDM
3
GND
4
VCC
5
SUSP IND
6
RX IND
7
TX IND
8 9
485 TX DTR
SDM-USB-QS
R2
220
J4
1
2
3
4
5
6
7
8
9
10
HEADER 10
J7
1
2
3
4
5
6
7
HEADER 7
DATA IN
DATA OUT
DCD
DSR
RTS
CTS
RI
VBACKUP
16
15
14
13
TXM
12
TXUSB
11
10
GND
B2
BATHLD-001
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GND
C8
+
10uF
60
59
PMD0/RE0
EN
RF058RF1
VCC
55
56
57
ENVREG
CN16/RD7
VCAP/VDDCORE
U4
PIC24F128GA006
E/RD#
R/W#
51
52
53
54
CN15/RD6
PMBE/OC4/RD3
PMRD/CN14/RD5
SOSC0/T1CK/CN0/RC14
PMWR/OC5/IC5/CN13/RD4
IC4/PMCS1/INT4/RD11
IC3/PMCS2/INT3/RD10
IC2/U1CTS/INT2/RD9
IC1/RTCC/INT1/RD8
OSC2/CLKO/RC15
U1RTS/BCLK1/SCK1/INT0/RF6
50
OC2/RD149OC3/RD2
SOSCI/CN1/RC13
OC1/RD0
OSC1/CLKI/RC12
SCL1/RG2
SDA1/RG3
U1RX/SDI1/RF2
U1TX/SDO1/RF3
VSS
VDD
48
47
46
45
44
43
42
41
GND
40
39
38
VCC
37
36
35
34
TXM
33
SW2
POWER SWITCH
D4D3D2D1D0
61
62
63
64
PMD1/RE1
PMD2/RE2
PMD3/RE3
PMD4/RE4
1
D5
D6
D7
VPP
GND
PGC
PGD TXDISP
PMD5/RE5
2
PMD6/RE6
3
PMD7/RE7
4
PMA5/SCK2/CN8/RG6
5
PMA4/SDI2/CN9/RG7
6
PMA3/SDO2/CN10/RG8
7
MCLR
8
PMA2/SS2/CN11/RG9
9
VSS
10
VCC
VDD
11
C1IN+/AN5/CN7/RB5
12
C1IN-/AN4/CN6/RB4
13
C2IN+/AN3/CN5/RB3
14
C2IN-/AN2/SS1/CN4/RB2
15
PGC1/EMUC1/VREF-/AN1/CN3/RB1
16
PGD1/EMUD1/PMA6/VREF+/AN0/CN2/RB0
SW3
RES#
CS#
VCC
GND
VCC
GND
PGC2/EMUC2/AN6/OCFA/RB6
PGD2/EMUD2/AN7/RB7
171819202122232425262728293031
VCC13VCC
C4
0.1uF
C3
10uF
GND
R3
47.5k
R4
5k
D4
GND
1
2
U3
SW
GND
MIC2288
Figure 12: Display Section Schematic
AVSS
AVDD
U2CTS/C1OUT/AN8/RB8
PMA7/C2OUT/AN9/RB9
TMS/PMA13/CVREF/AN10/RB10
GND GND
L1
10uH
C2
5
VIN
2.2uF
43
ENFB
EN
– –
VSS
VDD
TDO/PMA12/AN11/RB11
GND
TCK/PMA11/AN12/RB12
TDI/PMA10/AN13/RB13
PMA1/U2RTS/BCLK2/AN14/RB14
PMA0/AN15/OCFB/CN12/RB15
PMA9/U2RX/SDA2/CN17/RF4
PMA8/U2TX/SCL2/CN18/RF5
32
VCCVCC
GND
GND
GND
C6
1uF
VCC
GND
D/C#
C5
4.7uF
GND
C7
0.1uF
J5
VCC
VCOMH
VDDIO
VSL
D7
D6
D5
D4
D3
D2
D1
D0
E/RD#
R/W#
BS0
BS1
CS#
D/C#
RES#
IREF
GPIO1
GPIO0
VDD
VCI
VSS
GND
GND
VCC13
+
VCC
D5
D6
R6
50
GND
VCC
R5
560k
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
HEADER 30
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Linx Technologies
159 Ort Lane
Merlin, OR, US 97532
3090 Sterling Circle, Suite 200
Boulder, CO 80301
Phone: +1 541 471 6256
Fax: +1 541 471 6251
www.linxtechnologies.com
Disclaimer
Linx Technologies is continually striving to improve the quality and function of its products. For this reason, we
reserve the right to make changes to our products without notice. The information contained in this Data Guide
is believed to be accurate as of the time of publication. Specifications are based on representative lot samples.
Values may vary from lot-to-lot and are not guaranteed. “Typical” parameters can and do vary over lots and
application. Linx Technologies makes no guarantee, warranty, or representation regarding the suitability of any
product for use in any specific application. It is Customer’s responsibility to verify the suitability of the part for the
intended application. At Customer’s request, Linx Technologies may provide advice and assistance in designing
systems and remote control devices that employ Linx Technologies RF products, but responsibility for the ultimate
design and use of any such systems and devices remains entirely with Customer and/or user of the RF products.
LINX TECHNOLOGIES DISCLAIMS ANY AND ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. IN NO EVENT SHALL LINX TECHNOLOGIES BE LIABLE FOR ANY CUSTOMER’S OR
USER’S INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR RELATED TO THE DESIGN OR USE
OF A REMOTE CONTROL SYSTEM OR DEVICE EMPLOYING LINX TECHNOLOGIES RF PRODUCTS OR FOR ANY
OTHER BREACH OF CONTRACT BY LINX TECHNOLOGIES. CUSTOMER AND/OR USER ASSUME ALL RISKS
OF DEATH, BODILY INJURIES, OR PROPERTY DAMAGE ARISING OUT OF OR RELATED TO THE USE OF LINX
TECHNOLOGIES RF PRODUCTS, INCLUDING WITH RESPECT TO ANY SERVICES PROVIDED BY LINX RELATED
TO THE USE OF LINX TECHNOLOGIES RF PRODUCTS. LINX TECHNOLOGIES SHALL NOT BE LIABLE UNDER ANY
CIRCUMSTANCES FOR A CUSTOMER’S, USER’S, OR OTHER PERSON’S DEATH, BODILY INJURY, OR PROPERTY
DAMAGE ARISING OUT OF OR RELATED TO THE DESIGN OR USE OF A REMOTE CONTROL SYSTEM OR DEVICE
EMPLOYING LINX TECHNOLOGIES RF PRODUCTS.
The limitations on Linx Technologies’ liability are applicable to any and all claims or theories of recovery asserted
by Customer, including, without limitation, breach of contract, breach of warranty, strict liability, or negligence.
Customer assumes all liability (including, without limitation, liability for injury to person or property, economic loss,
or business interruption) for all claims, including claims from third parties, arising from the use of the Products.
Under no conditions will Linx Technologies be responsible for losses arising from the use or failure of the device
in any application, other than the repair, replacement, or refund limited to the original product purchase price.
Devices described in this publication may contain proprietary, patented, or copyrighted techniques, components,
or materials.
All rights reserved. ©2012 Linx Technologies
The stylized Linx logo, Wireless Made Simple, CipherLinx, WiSE and the stylized CL logo are trademarks of Linx Technologies.
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