
Nuvoton M2L31LGDAE Microcontroller IC - DE-3703-D
The Nuvoton M2L31LGDAE is a 32-bit microcontroller based on the Arm Cortex-M23 core, operating at up to 72 MHz. It features 256 KB ReRAM, 168 KB SRAM, low-power operating modes, advanced security functions, and multiple communication interfaces for industrial, IoT, and embedded applications.
The Nuvoton Technology Corporation M2L31LGDAE belongs to the NuMicro M2L31 series, designed for low-power embedded systems requiring efficient processing, reliable connectivity, and advanced security. Based on the Arm Cortex-M23 core with Armv8-M architecture, it operates at up to 72 MHz and integrates 256 KB of Resistive RAM (ReRAM) and 168 KB of SRAM.
The device supports low-power operating modes and features a range of communication interfaces, including UART, SPI, I²C, USB 2.0 Full-Speed OTG, and CAN FD. Integrated security functions include AES hardware encryption, a True Random Number Generator (TRNG), and execute-only memory protection. Analog peripherals, PWM channels, and capacitive touch sensing support flexible design requirements in industrial control, smart devices, and IoT applications.
Key Features
32-bit Arm Cortex-M23 core based on Armv8-M architecture
Maximum operating frequency: 72 MHz
256 KB Resistive RAM (ReRAM)
168 KB SRAM, including 40 KB with parity checking
Independent 8 KB low-power SRAM
8 KB Flash loader memory (LDROM)
Four execute-only memory (XOM) regions
Operating voltage: 1.71 V to 3.6 V
Operating temperature: -40°C to +105°C
Low-power operating modes
AES-128/192/256 hardware encryption
True Random Number Generator (TRNG)
CRC calculation unit
12-bit, 16-channel SAR ADC
Two 12-bit DACs
Integrated PWM and enhanced PWM channels
UART, SPI, I²C, I²S, and QSPI interfaces
USB 2.0 Full-Speed OTG, host, and device support
Two CAN FD controllers
Capacitive touch-key sensing
16-channel peripheral DMA controller
Package: LQFP48
Applications
Internet of Things (IoT) devices
Industrial automation and control
Smart home electronics
Low-power sensor systems
USB Type-C and power delivery applications
Motor control
Touch-enabled user interfaces
Consumer electronics
Secure embedded systems
