Conexio BLITZ Overview

Board Layout

Pinouts

Technical specifications and features

Main MCU: Nordic nRF5340 Microcontroller with ARM Cortex M33

• Dual-core Bluetooth 5.4 SoC

• 1MB Flash

• 512kB RAM

• ARM® TrustZone®

• ARM® Cryptocell 312

• High-speed USB, SPI, QSPI, I2C, and UART with Easy DMA

• I2S w/ EasyDMA

• 4x PWM with EasyDMA

• 12bit SADC with EasyDMA

• 2x RTC

• PPI (Programmable peripheral interconnect) interface

• Supports Thread, Matter, ZigBee, Bluetooth Mesh, and ANT

• Pre-programmed MCUBoot bootloader

Wi-Fi 6 Companion IC: nRF7002

• 2.4 GHz and % GHz dual-band

• Supports Target Wake Time (TWT)

• Wi-Fi connectivity and locationing (SSID sniffing of local Wi-Fi hubs)

• Supports Matter and BLE for commissioning

Power Management IC: nPM1300

• 800 mA battery charger

• Dual 200 mA buck DC-DC regulator

• Battery charge status and protection (controlled via I2C)

• Operating range 1.8 to 5.5 V

• 2-pin JST LiPo battery connection

• Maximum output current: 800 mA

Output Voltages: (Accessible via Headers)

• 1.8 V

• 3.3 V

• 5 V (VUSB)

• VBAT

Debugger & Programmer

• Supports J-Link and CMSIS-DAP-based programmers

• 10-pin 0.05" (1.27mm) pin connector

Other I/O

• 1x USB Type-C for serial, DFU, application firmware programming, plus LiPo battery charging

• 1x QWIIC connector

• Feather-compatible header

• 22 user-programmable GPIOs

• 2x push buttons (1 x Reset, 1 x user-programmable)

• 1x user-programmable LED

• 1x U.FL for WiFi antenna

• 1x onboard PCB antenna for Bluetooth Low Energy

Size and weight

• 55.30 mm x 27.63 mm

• Weight: ~5 grams