Nuvoton NuMaker-IoT-M263A IoT device development board

Nuvoton’s NuMaker-IoT-M263A board is based on the main microcontroller NuMicro M263KIAAE, empowered by Arm Cortex-M23 CPU core of Armv8-M architecture. With an IoT software development kit provided by the NuMicro series products, it supports a wide range of software development work to ensure low power consumption and high-security IoT device design.

The IoT device development board integrates several wireless communication modules, including Bluetooth, Wi-Fi and LoRa modules. A mini-PCIe interface can support extra 2G/3G/4G-LTE/NB-IoT modules with GPS function. The board also features an environmental sensor and 9-axis sensor for acceleration, gyro-magnetics, gas, barometric pressure, temperature and humidity sensing. Furthermore, the panel supports CAN and RS485 transceivers for automotive or industrial applications.

The product belongs to the NuMicro M261/M262/M263 series, which adopts advanced low power and security technology with a high-performance communication connectivity interface. The series implements a secure boot function and hardware crypto acceleration to achieve the security of IoT devices. The normal run’s power consumption is 97 µA/MHz (LDO mode) and 45 µA/MHz (DC/DC mode). Standby power-down current is down to 2.8 µA, and deep power-down current is less than 2 µA.

The series is equipped with peripherals covering timers, PWM, UART, Qual SPI (QSPI), SPI/ I²S, I²C, smart card interface (ISO 7816-3), SDHC 2.0, USB 2.0 Full-Speed OTG and CAN 2.0B. There are also several high-performance analog front-end blocks and high-performance analog front-end blocks, such as two 1 MSPS voltage type DAC, two rail-to-rail analog comparators (ACMP), temperature sensors, low voltage reset (LVR) and brown-out detectors (BOD) to enhance product performance and reduce external components.

Crypto accelerators make data communication efficient and secure. The dual-bank architecture of embedded Flash memory is suitable for remote FOTA (firmware over-the-air) updates to ensure the application system is secure and safe. The onboard Nu-Link2-Me debugger and programmer supports online programming and debugging through the SWD interface.