DLP Design DLP-RFS1280 Page 2 Manual Download

Page: 2 / 12

Rev 1.7 (April 2018) 2

DLP Design, Inc.

2.0 ELECTRICAL SPECIFICATIONS

Supply Voltage

1.8-3.7V

Frequency Range

2.402-2.48GHz

Output Power

14mW (+11.5dBm) Maximum (Conducted)

TX/RX Range

Greater than 5 Miles (Antenna-Type Dependent)

Protocol

Multiple

Communications Interface

SPI

Operational Power – Transmit

24mA

Operational Power – Receive

4.8mA-5.6mA Depending Upon the Operating Mode

Operational Power – Sleep

8uA (Deepest Sleep Mode)

Antenna Connector

u.fl*

Operating Temperature

0-70°C

*Please see the Antenna Section for important regulatory details.

3.0 IO PINS

IO Pin Definitions

GROUND

NRESET

BUSY

DIO1

DIO2

DIO3

MISO_TX

GROUND

3.3V POWER SUPPLY

MOSI_RX

SCK_RTSN

NSS_CTS

ANTSEL

GROUND

Summary of Contents for DLP-RFS1280

Page 1: ...ely APPLICATION AREAS x Real Time Security x Body Worn Medical Telemetry x Battery Powered Home Automation x Electric Water Gas Automated Meter Reading x Industrial Monitoring and Control x Active RFID x Long Range Battery Powered Multi Hop Sensor Networks 1 0 INTRODUCTION The DLP RFS1280 is a low cost module for transmitting and receiving digital data via radio frequency All of the DLP RFS1280 s ...

Page 2: ...s Interface SPI Operational Power Transmit 24mA Operational Power Receive 4 8mA 5 6mA Depending Upon the Operating Mode Operational Power Sleep 8uA Deepest Sleep Mode Antenna Connector u fl Operating Temperature 0 70 C Please see the Antenna Section for important regulatory details 3 0 IO PINS IO Pin Definitions 1 GROUND 2 NRESET 3 BUSY 4 DIO1 5 DIO2 6 DIO3 7 MISO_TX 8 GROUND 9 3 3V POWER SUPPLY 1...

Page 3: ... MECHANICAL DRAWING Overall Dimensions 0 8 x 0 92 x 0 135 In Note thou mils or 0 001 inches 4 2 MOUNTING OPTIONS The DLP RFS1280 module can be either surface mounted to a printed circuit board or connected using 0 1 inch spaced headers 0 025 sq inch posts ...

Page 4: ... been developed for the STM32L073RZ based Nucleo board Compiling the L073 source code may require the user to purchase the Keil compiler Additional information on the operation of the Semtech SX1280 transceiver IC is available in the datasheet for the SX1280 6 0 DEMONSTRATION HARDWARE EDK This section describes how to operate the DLP RFS1280ACT demonstration hardware purchased separately The DLP R...

Page 5: ...ile holding Button 1 press and release RESET Continue to hold Button 1 until you hear a beep Release Button 1 and the system will be transmitting at 2 4GHz on the internal chip antenna with no modulation Be sure to turn the volume up blue knob next to the speaker if you cannot hear the beep You can change to the external antenna by pressing Button 2 ANT SEL The display will show either a C for chi...

Page 6: ... a beep Release Button 3 and the system will be transmitting at 2 4GHz on the internal chip antenna with GFSK modulation 6 5 PAIRING Each Nucleo board has a unique serial number that is created by combining wafer data stored in silicon within the STM32 microcontroller This serial number is generated after each reset and is then presented on the LCD display of the DLP RFS1280ACT Pairing is the proc...

Page 7: ...y of three modulation modes LORA GFSK or FLRC 6 7 PUSH TO TALK WALKIE TALKIE MODE The Push To Talk function is a rudimentary demonstration of packetizing and transmitting audio in LORA Mode using Spreading Factor 6 This demonstration is not intended to provide high audio quality 6 7 1 Press Button 1 on each transceiver until LORA mode is shown on the LCD display of both platforms 6 7 2 Press Butto...

Page 8: ...oard antenna or pre approved external antenna could void the user s authority to operate this equipment Other external antennas can be used with the DLP RFS1280 module so long as the maximum legal radiated power limit is not exceeded 7 4 WARNINGS Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference rece...

Page 9: ...tte sur laquelle figure le numéro d homologation du module d Innovation Sciences et Développement économique Canada précédé du mot contient ou d une formulation similaire allant dans le même sens et qui va comme suit Contient IC 5675A RFS2 est le numéro d homologation du module 7 6 RF EXPOSURE This equipment complies with FCC and IC RSS 102 radiation exposure limits set forth for an uncontrolled e...

Page 10: ...ular purpose is either made or implied DLP Design will not accept any claim for damages whatsoever arising as a result of the use or failure of this product Your statutory rights are not affected This product or any variant of it is not intended for use in any medical appliance device or system in which the failure of the product might reasonably be expected to result in personal injury This docum...

Page 11: ...it With Modulation Reset Required to Exit Switch 5 Pressed Switch 6 Pressed Enter Ping Test Mode One Ping Per Second Reset Required to Exit Enter Ranging Mode Reset Required to Exit 4 1 5 2 6 3 CW LORA FSK FLRC ANT SEL MOD PTT RX ID PING TEST LMH SF RANGING 7 BUTTONS RESET Enter Receive Mode Ping Packet Received Beep Once If MyID was Received Audio Packet Received Play Audio Over Speaker if MyID w...

Page 12: ... Registers Enter Receive Mode Waiting for Ranging Packet Replies Sent Automatically Set Packet Type and Parameters For Ranging SF6 SF10 Load the Shared 32 Bit Ranging Address Mode Entered from Reset Receive Packet With RSSI and Frequency Error Data From Slave Set Packet Type and Parameters for Ranging Mode SF6 SF10 Depending on RSSI Load the Shared 32 Bit Ranging Address Select Ranging Interrupts ...

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