Integration Manual

Table Of Contents
NORA-B1 series - System integration manual
UBX-20027617 - R04 Contents Page 3 of 61
C1-Public
Contents
Document information ................................................................................................................................ 2
Contents .......................................................................................................................................................... 3
1 System description ............................................................................................................................... 7
1.1 Overview ........................................................................................................................................................ 7
1.2 Applications ................................................................................................................................................. 7
1.3 Architecture ................................................................................................................................................. 8
1.3.1 Block diagram ...................................................................................................................................... 8
1.3.2 Hardware options ............................................................................................................................... 8
1.3.3 Software options ................................................................................................................................ 8
1.4 Pin assignments .......................................................................................................................................... 8
1.5 Supply interfaces ........................................................................................................................................ 8
1.5.1 Main supply input ............................................................................................................................... 8
1.5.2 Digital I/O interfaces reference voltage .......................................................................................10
1.5.3 USB supply input ...............................................................................................................................10
1.5.4 VDD/VDDH application circuits .....................................................................................................10
1.6 System function interfaces ....................................................................................................................10
1.6.1 Module reset ......................................................................................................................................10
1.6.2 Internal temperature sensor ..........................................................................................................11
1.7 Debug ...........................................................................................................................................................11
1.7.1 Serial Wire Debug (SWD) ................................................................................................................11
1.8 GPIO pins .....................................................................................................................................................11
1.9 Analog interfaces ......................................................................................................................................12
1.9.1 ADC ......................................................................................................................................................12
1.9.2 Comparator ........................................................................................................................................12
1.9.3 Low power comparator ....................................................................................................................12
1.9.4 Analog pin options ............................................................................................................................13
1.10 Serial interfaces ........................................................................................................................................13
1.10.1 Universal Asynchronous Receiver/Transmitter (UART) ...........................................................13
1.10.2 Serial Peripheral Interface (SPI) .....................................................................................................13
1.10.3 Quad Serial Peripheral Interface (QSPI) .......................................................................................14
1.10.4 Inter-Integrated Circuit (I2C) interface ........................................................................................14
1.10.5 Pulse Width Modulation (PWM) interface ...................................................................................15
1.10.6 Inter-IC Sound (I2S) interface ........................................................................................................15
1.10.7 Pulse Density Modulation (PDM) interface .................................................................................15
1.10.8 USB 2.0 device interface .................................................................................................................15
1.11 Antenna interface .....................................................................................................................................15
1.11.1 U.FL connector NORA-B100 ........................................................................................................15
1.11.2 Antenna pin NORA-B101 .............................................................................................................15
1.11.3 Integrated antenna NORA-B106 ................................................................................................16
1.11.4 NFC antenna ......................................................................................................................................16