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Nuvoton NuMaker-IoT-M263A Developing Board Speeds Up IoT Device Design Cycle with Variation of Wireless Connectivity and System Security

Hsinchu, Taiwan - 2020/10/21 - Nuvoton Technology Corporation, a leading microcontroller platform solution provider, complete the platform solutions for microcontroller application ecosystems. The IoT Platform is one of the critical solutions based on the NuMicro® Family product portfolio.  The NuMaker-IoT-M263A board is an IoT device development board. With the IoT software development kit provided by NuMicro® series products, it supports a wide range of software development work to ensure low power consumption and high-security IoT device design.

The NuMaker-IoT-M263A board is based on the main microcontroller NuMicro® M263KIAAE, empowered by Arm® Cortex®-M23 CPU core of Armv8-M architecture. The 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 equips the environmental sensor and 9-axis sensor for acceleration, gyro-magnetics, gas, barometric pressure, temperature, and humidity sensing. Furthermore, the panel includes CAN and RS485 transceiver for automotive or industrial applications.

The M263KIAAE 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 uA/Mhz (LDO mode) and 45 uA/Mhz (DC/DC mode). Stand-by power-down current is down to 2.8 uA, and Deep power-down current is less than 2uA. The series is also equipped with plenty of 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 comparator (ACMP), temperature sensor, low voltage reset (LVR), and brown-out detector (BOD) to enhance product performance and reduce both external components.

Finally, the complete set of software packages, including tools, sample codes, user manuals to run useful RTOS like Amazon RTOS, Arm Mbed, AliOS Things, etc., connecting to famous cloud services ease the proto-type product design. Crypto accelerators make data communication more 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 on-board Nu-Link2-Me is a debugger and programmer that supports on-line programming and debugging through the SWD interface.

Major features of NuMaker-IoT-M263A Board

  • Certificated Cloud Service Demos – AWS IoT, Alibaba Cloud, Microsoft Azure, Arm Mbed Pelion Device Management
  • On-board wireless communication modules
  • On-board environmental and 9-axis sensors
  • Mini PCIe/ SIM card/ MicroSD card connectors
  • Arduino UNO compatible extension connectors
  • Ammeter connector for measuring the microcontroller's power consumption
  • USB connectors for M263 2.0 Full-Speed OTG and Nu-Link2-Me ICE tool

For more details of NuMaker-IoT-M263A, please visit You can also purchase NuMaker-IoT-M263A at


About Nuvoton Technology

Nuvoton Technology Corporation (NTC) was founded to bring innovative semiconductor solutions to the market. NTC was spun-off as a Winbond Electronics affiliate in July 2008 and went public in September 2010 on the Taiwan Stock Exchange (TSE). Nuvoton Technology focuses on the developments of microcontroller, microprocessor, smart home and cloud security IC and has strong market share in Industrial, Consumer and Computer markets. Nuvoton owns a wafer fab, featuring customized processes for analog and power products. Besides in-house IC products, the wafer fab also provides part of its capacity for foundry services. Nuvoton Technology provides products with a high performance/cost ratio for its customers by leveraging flexible technology, advanced design capability, and integration of digital and analog technologies. Nuvoton values long term relationships with its partners and customers and is dedicated to continuous innovation of its products, processes, and services. The company has established subsidiaries in the USA, China, Israel, India, Singapore, Korea and Japan to strengthen regional customer support and global management. For more information, please visit


Product Contact

Ryan Huang

Director of Microcontroller Marketing Div.

Nuvoton Technology Corporation


Tel: +886-3-5770066 ext. 38024


News Contact

Carol Chang

Nuvoton Technology Corporation


Tel: +886-3-5770066 ext. 23123

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