NXP Semiconductors OM2385 User manual

UM11635
OM2385/SF002US development kit
Rev. 1.0 — 22 June 2021 User manual
Document information
Information Content
Keywords Sigfox, FRDM-K32L2B3, MCUXpresso, OL2385, NCF
Abstract The OM2385/SF002US development kit provides an evaluation platform for
designing SIGFOX network applications that use NXP's OL2385 single-chip
RF transceiver.

NXP Semiconductors UM11635
OM2385/SF002US development kit
Revision history
Revision Date Description of changes
1.0 20210622 Initial release
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NXP Semiconductors UM11635
OM2385/SF002US development kit
Important notice
NXP provides the enclosed product(s) under the following conditions:
This evaluation kit is intended for use of ENGINEERING DEVELOPMENT OR
EVALUATION PURPOSES ONLY. It is provided as a sample IC pre-soldered to a
printed circuit board to make it easier to access inputs, outputs, and supply terminals.
This evaluation board may be used with any development system or other source of
I/O signals by simply connecting it to the host MCU or computer board via off-the-
shelf cables. This evaluation board is not a Reference Design and is not intended to
represent a final design recommendation for any particular application. Final device in
an application will be heavily dependent on proper printed circuit board layout and heat
sinking design as well as attention to supply filtering, transient suppression, and I/O
signal quality.
The goods provided may not be complete in terms of required design, marketing, and
or manufacturing related protective considerations, including product safety measures
typically found in the end product incorporating the goods. Due to the open construction
of the product, it is the user's responsibility to take any and all appropriate precautions
with regard to electrostatic discharge. In order to minimize risks associated with the
customers applications, adequate design and operating safeguards must be provided
by the customer to minimize inherent or procedural hazards. For any safety concerns,
contact NXP sales and technical support services.
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NXP Semiconductors UM11635
OM2385/SF002US development kit
1 Overview of the OM2385/SF002US development kit
The OM2385/SF002US development kit provides an evaluation platform for designing
SIGFOX network applications that use NXP's OL2385 single-chip RF transceiver.
The kit consists of three boards: the OL2385 Shield Board, the OL2385 Innocomm
Module and a FRDM-K32L2B3 board. The OL2385 Innocomm Module is permanently
affixed to the surface of the OL2385 Shield Board. The Innocomm Module contains an
embedded OL2385 transceiver and serves as a wireless modem. When connected to
an antenna (included in the kit), it provides all the functionality required to communicate
with the SIGFOX network. The OL2385 Shield Board contains connectors for external
communication. The Shield Board is mounted by means of four Arduino connectors to
the FRDM-K32L2B3. The FRDM-K32L2B3 acts as the communication link between
the development kit and a PC. It comes pre-loaded with microcode that manages the
interface between the PC and the OL2385 Innocomm Module .
Users must initially register their device with SIGFOX using a unique ID and access
code provided with the kit. Once the device has been registered, the kit can be used
to connect to the SIGFOX network and test the functionality of the OL2385-based
application under development.
To interact with the development kit, users must connect the kit to a PC through the
OpenSDA port on the FRDM-K32L2B3. A terminal emulator (such as HyperTerminal)
provides the interface, allowing users to login to the network and send and receive
messages. Designers can also use the MCUXpresso IDE to develop and download
microcode to the K32L2B.
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NXP Semiconductors UM11635
OM2385/SF002US development kit
2 Getting started
2.1 Kit contents/packing list
The OM2385/SF002US development kit contents includes:
•Assembled and tested OM2385/SF002US FRDM board mounted to a firmware-loaded
FRDM-K32L2B3 board
•2 x 8 cable
•2 x 6 cable
•2 x 10 cable
•Antenna
•USB cable
•Quick Start Guide
2.2 System requirements
The kit requires the following to function properly with the software:
•USB enabled computer running Windows XP, Vista, 7, 8, or 10 (32-bit or 64-bit)
•Terminal emulation software (such as TeraTerm or HyperTerminal)
2.3 Setting up hardware and software
A detailed description of how to set up the hardware and software can be found
in the OL2385SWUG application note (https://www.nxp.com/webapp/Download?
colCode=OL2385SWUG).
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NXP Semiconductors UM11635
OM2385/SF002US development kit
3 Getting to know the hardware
3.1 Board overview
The OM2385/SF002US consists of a base board (the OL2385 shield board) with a
permanently attached module (the Innocomm module). The combination—along with
the attached FRDM-K32L2B3 board—serves as a development platform that provides
wireless modem access to the SIGFOX network. Once properly registered, the board
allows users to send and receive messages across the network.
3.2 Board features
The board features:
•Arduino connector compatibility with other Freedom boards
•Support for UART, SPI, MDI and GPIO communication
•SIGFOX Communication Library for RC1 through RC7 (Note: if RC2 or RC4 are
configured, PA is enabled as standard, otherwise PA is off and output power is
14 dBm.)
3.3 Block diagram
aaa -02563 2
COMMAND
INTERPRETER
KINETIS HARDWARE SPI/UART
Interface
Altimeter/
Pressure
HOST MCU
APPLICATION
SOFTWARE
Voltage
sensing
Current
sensing
N R S T
INTERFACE INTERFACE
SIGFOX
NXP
CUSTOMER
AES128
OL2385
SIGFOX
LIB
SOFTWARE
NXP
RADIO
LIB
antenna
SET DATA
e-Compass Gyro
Magneto
meters
Accelero
meters
N
SET POWER
SET FREQ
NCF CONTROLLER WITH
INTEGRATED FIRMWARE
REGISTER CONTROL
Figure 1. Block diagram
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NXP Semiconductors UM11635
OM2385/SF002US development kit
3.4 Device features
The SN10-12 Innocomm module includes the OL2385, Low-Power Multi-Channel UHF
RF Wireless.
SN10-12 The SN10-12 is a transceiver module
that complies with SIGFOX network
specifications. The SN10-12 is based
on the NXP OL2385 chip, which is a
sub-GHz wireless SoC transceiver.
The SN10-12 module provides a wide
range of frequency selections for IoT
applications network service platforms.
•High performance low power RISC
micro-controller
–Memory
– 32 kB EROM
– 7 kB RAM
–Ultra Narrow Band Radio
Frequency Band
– TX: 902.200 MHz
– RX: 905.200 MHz
–Output Power
– 23 dBm
•Excellent Receiving Sensitivity:
–125 dBm @600 bps 2 GFSK
•Excellent Image Rejection: 60 dB
•Excellent Blocking Performance: 58
dB
Table 1. Device features
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NXP Semiconductors UM11635
OM2385/SF002US development kit
3.5 Board description
Figure 2 describes the main elements on the OM2385/SF002US board.
Figure 2. Board description
Number Name Description
1 Communication connectors Provide connectivity for SPI, MDI, GPIO and UART support
2 Arduino connectors Provide connectivity to FRDM-K32L2B3 and other Freedom boards
3 Innocomm module Low-Power Multi-Channel UHF RF Wireless Platform
4 µFL connector Provides connectivity to UHF antenna
5 Motion sensor Provides wake-up functionality for the Innocomm module
6 Button switches Control digital inputs to Arduino connectors
7 LEDs Indicate status
Table 2. Board description
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NXP Semiconductors UM11635
OM2385/SF002US development kit
3.6 LED display
The board contains the following LED:
Figure 3. LED locations
LED ID Description
D1 LED Green. Not used
D2 LED Yellow. On by default.
D3 LED Red. On by default. Blinks six times to indicate an error in initialization.
Table 3. LED locations
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NXP Semiconductors UM11635
OM2385/SF002US development kit
3.7 Switch definitions
Figure 4 shows the location of switches on the OM2385/SF002US Shield Board.
Figure 4. Switch locations
Table 4 describes the function of the three switches.
Switch Description Function
SW1 Can be used to
drive host pins
Open to customer use
SW2 Can be used to
drive host pins
Open to customer use
SW3 Can be used to
drive host pins
Open to customer use
Table 4. Switch definitions
3.8 Connectors
The board has the following connectors:
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