Semtech LoRa Edge LR1110, User Manual

Page: 2 / 130

LR1110
User Manual
Rev.1.0
UM.LR1110.W.APP March 2020
2 of 130
Semtech
www.semtech.com
Table of Contents
1. Introduction.................................................................................................................................................... 12
1.1 Scope ................................................................................................................................................... 12
1.2 Overview ............................................................................................................................................. 12
2. System Modes................................................................................................................................................ 14
2.1 Modes Description .......................................................................................................................... 14
2.1.1 Standby................................................................................................................................... 14
2.1.2 Power Down.......................................................................................................................... 15
2.1.3 Sleep......................................................................................................................................... 15
2.1.4 RX Mode.................................................................................................................................. 17
2.1.5 TX Mode.................................................................................................................................. 17
2.1.6 FS Mode .................................................................................................................................. 18
2.1.7 GNSS Scanning Mode ........................................................................................................ 18
2.1.8 Wi-Fi Passive Scanning Mode ......................................................................................... 18
2.1.9 DSP Mode............................................................................................................................... 18
2.2 Startup Sequence ............................................................................................................................ 18
2.3 Reset .................................................................................................................................................... 18
2.3.1 Power-On-Reset and Brown-Out Reset....................................................................... 19
2.3.2 NRESET .................................................................................................................................... 19
2.3.3 Reboot Command............................................................................................................... 19
2.4 Calibrations ........................................................................................................................................ 19
2.4.1 CalibImage............................................................................................................................. 20
2.4.2 Calibrate.................................................................................................................................. 20
2.5 GetVersion .......................................................................................................................................... 21
2.6 Modes Transitions & Timings ...................................................................................................... 22
3. Host-Controller Interface ........................................................................................................................... 23
3.1 Write Commands ............................................................................................................................. 23
3.2 Read Commands .............................................................................................................................. 23
3.3 Status Registers ................................................................................................................................ 23
3.3.1 Stat1 ......................................................................................................................................... 24
3.3.2 Stat2 ......................................................................................................................................... 24
3.4 BUSY ..................................................................................................................................................... 25
3.5 Errors .................................................................................................................................................... 25
3.5.1 GetErrors................................................................................................................................. 25
3.5.2 ClearErrors.............................................................................................................................. 26
3.6 Memory Access ................................................................................................................................ 27
3.6.1 WriteRegMem32.................................................................................................................. 27
3.6.2 ReadRegMem32................................................................................................................... 27
3.6.3 WriteRegMemMask32 ....................................................................................................... 28
3.6.4 WriteBuffer8 .......................................................................................................................... 28
3.6.5 ReadBuffer8........................................................................................................................... 29
3.6.6 ClearRxBuffer ........................................................................................................................ 29
4. GPIOs................................................................................................................................................................. 30
4.1 Interrupts ............................................................................................................................................ 30
4.1.1 Description ............................................................................................................................ 30