Confidential & Proprietary Information
CONTENTS
LIST OF FIGURES
.......................................................................................................................... 7
1
INTRODUCTION
...................................................................................................................... 8
1.1
PURPOSE
.......................................................................................................................................................... 8
1.2
APPLICABLE DOCUMENTS
.......................................................................................................................................... 8
1.2.1
GLOBALSTAR DOCUMENTS
........................................................................................................................ 8
1.2.2
EXTERNAL REFERENCES
.......................................................................................................................... 8
1.3
DESCRIPTION
.................................................................................................................................................... 9
1.3.1 Feature List ........................................................................................................................................... 9
1.4
CERTIFICATIONS
............................................................................................................................................... 11
2
APPLICATION
....................................................................................................................... 12
2.1
THEORY OF OPERATION FOR GLOBALSTAR COMMERCIAL IoT
................................................................................................. 12
2.2
QUICK START/CONFIGURATION GUIDELINES
....................................................................................................................... 13
2.3
BLOCK DIAGRAM
.................................................................................................................................................... 14
2.4
CORE COMPONENTS
............................................................................................................................................... 14
2.4.1 Nordic SoC ........................................................................................................................................... 14
2.4.2 ASIC satellite transmitter ....................................................................................................................... 14
2.4.3 GNSS receiver ...................................................................................................................................... 15
2.4.4 Memory................................................................................................................................................ 15
2.4.5 Accelerometer ...................................................................................................................................... 15
2.4.6 Program and debug .............................................................................................................................. 15
2.4.7 DC Supply ............................................................................................................................................ 15
3
POWER MANAGEMENT
........................................................................................................... 16
3.1 Power Management High Level Overview .......................................................................................................... 16
4
PERIPHERALS
......................................................................................................................... 18
4.1 Near-Field Communication (NFC) ...................................................................................................................... 18
4.2 GPIO pin peripherals ....................................................................................................................................... 18
4.2.1 GPIO .................................................................................................................................................... 19
4.2.2 Comparator .......................................................................................................................................... 19
4.2.3 PDM - Pulse Density modulation interface .............................................................................................. 20
4.2.4 PPI - Programmable Peripheral Interconnect .......................................................................................... 20
4.2.5 PWM - Pulse Width Modulation .............................................................................................................. 20
4.2.6 QDEC - Quadrature Decoder .................................................................................................................. 20
4.2.7 RTC - Real Time Counter ....................................................................................................................... 21
4.2.8 SPI - Serial Peripheral Interface ............................................................................................................. 22
4.2.9 UART - Universal asynchronous receiver / transmitter ............................................................................. 22
4.3 Using and Enabling Peripheral Devices .............................................................................................................. 23
5
HARDWARE LAYOUT/REFERENCE DESIGN
....................................................................................... 26
5.1 Pin Assignments .............................................................................................................................................. 26
5.2 Reference Circuitry .......................................................................................................................................... 30
5.2.1 PCB Guidelines ..................................................................................................................................... 30