Data Sheet

NINA-B40 series - Data sheet
UBX-19049405 - R04 Contents Page 3 of 40
C1 - Public
Contents
Document information ................................................................................................................................ 2
Contents .......................................................................................................................................................... 3
1 Functional description ......................................................................................................................... 6
1.1 Overview ........................................................................................................................................................ 6
1.2 Applications ................................................................................................................................................. 6
1.3 Product description .................................................................................................................................... 7
1.4 Ordering information .................................................................................................................................. 7
1.5 Hardware options ........................................................................................................................................ 7
1.6 Software options ......................................................................................................................................... 7
1.6.1 Open CPU.............................................................................................................................................. 8
1.7 Bluetooth device address .......................................................................................................................... 8
2 Interfaces ................................................................................................................................................. 9
2.1 Power management ................................................................................................................................... 9
2.1.1 Module supply input (VCC) ............................................................................................................... 9
2.1.2 Digital I/O interfaces reference voltage (VCC_IO) ........................................................................ 9
2.2 RF antenna interfaces ............................................................................................................................... 9
2.2.1 2.4 GHz radio (ANT) ............................................................................................................................ 9
2.2.2 Near Field Communication (NFC) .................................................................................................... 9
2.2.3 Direction Finding (AoA/AoD) .......................................................................................................... 10
2.3 System functions ...................................................................................................................................... 10
2.3.1 Power modes ..................................................................................................................................... 10
2.3.2 Module reset ....................................................................................................................................... 11
2.3.3 CPU and memory ............................................................................................................................... 11
2.3.4 Direct Memory Access ...................................................................................................................... 11
2.3.5 Programmable Peripheral Interconnect ........................................................................................ 11
2.3.6 Real Time Counter (RTC) .................................................................................................................. 11
2.4 Low Frequency Clock (LFXO) ...................................................................................................................12
2.5 Serial interfaces .........................................................................................................................................12
2.5.1 Universal Asynchronous Receiver/Transmitter (UART) ............................................................12
2.5.2 Serial peripheral interface (SPI) ..................................................................................................... 13
2.5.3 Inter-Integrated Circuit interface (I2C) ........................................................................................ 13
2.5.4 Inter-IC Sound interface (I2S)......................................................................................................... 13
2.5.5 USB 2.0 interface .............................................................................................................................. 14
2.6 Digital interfaces ....................................................................................................................................... 14
2.6.1 Pulse Width Modulation (PWM) .................................................................................................... 14
2.6.2 Pulse Density Modulation (PDM) ................................................................................................... 14
2.6.3 Quadrature Decoder (QDEC) .......................................................................................................... 14
2.7 Analog interfaces ...................................................................................................................................... 14
2.7.1 Analog to Digital Converter (ADC) ................................................................................................. 15
2.7.2 Comparator ........................................................................................................................................ 15