OL2385SWUG datasheet(7/64 Pages) NXP

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NXP Semiconductors

OL2385SWUG

SIGFOX software driver

OL2385SWUG

All information provided in this document is subject to legal disclaimers.

User guide

Rev. 2.1 — 6 April 2018

7 / 64

Wakes up OL2385

from sleep mode

Command processing

aaa-027268

Ack

Ack (x number of bytes)1

I-Frame

(x number of bytes)1

Wakeup

(2 bytes)

Protocol

reapeats in

similar fashion

OL2385

Sigfox Base

station

Figure 6. Message Sequence Chart SPI protocol

4.2 Button pressed based interface

To be implemented fully in software

4.3 UART interface

To be implemented fully in software

5 Setting up the hardware

The connection of any OL2385 board with any microcontroller is based on connecting

the SPI pins, power supply pins and RESET pin. The positions of SPI pins on OL2385

is fixed and explained in the following sections. The positions of SPI and power pins on

any other microcontroller board has to be read out from its corresponding user guide.

An example of such connection with KL43Z pins is given below. The NXP reference

design is based on the Arduino style of pin layout. Therefore, NXP reference design

boards can be plugged directly on top of a KL43Z board as shown in Figure 11. The SPI,

RESET and Power pins will match automatically. If your microcontroller is not Arduino

style, you will have to connect the pins of the OL2385 with wires to your microcontroller's

corresponding pins.

5.1 Overview of the OM2385/FS001 development kit

The OM2385/FS001 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: an OL2385 shield board, OL2385 reference design board and

FRDM-KL43Z board. The OL2385 reference design board is permanently affixed to the

surface of the OL2385 Shield Board. The reference design board contains an embedded

OL2385 transceiver and serves as a wireless modem.

When connected to an antenna, included in the kit, the board 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-KL43Z. The FRDM-KL43Z acts as the communication

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