NINA-B4 series - System integration manual
UBX-19052230 - R06 Appendix Page 42 of 45
C1-Public
SMT Surface-Mount Technology
SPI Serial Peripheral Interface
SWD Serial Wire Debug
Thread Networking protocol for Internet of Things (IoT) "smart" home automation devices to communicate on a
local wireless mesh network
THT Through-Hole Technology
TXD Transmit Data
UART Universal Asynchronous Receiver/Transmitter
UICR User Information Configuration Registers
USB Universal Serial Bus
VCC IC power-supply pin
VSWR Voltage Standing Wave Ratio
Zigbee Open standard protocol, full-stack solution for most large smart home ecosystem providers
Table 15: Explanation of the abbreviations and terms used