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Product attributes Property Value
Manufacturer Nuvoton Technology Corporation
Product Series NuMicro™ M2351
Packaging Tray | Tray
Core Processor ARM® Cortex®-M23
Core Size 32-Bit Single-Core
Speed 64MHz
Connectivity CANbus, EBI/EMI, I2C, IrDA, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Number of I/O 25
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 96K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V
Data Converters A/D 10x12b; D/A 2x12b
Oscillator Type External, Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Supplier Device Package 33-QFN (5x5)
Package / Case 32-WFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The M2351ZIAAE from Nuvoton Technology is a secure ARM Cortex-M23 microcontroller operating at 64MHz. With 512KB of flash and 96KB of RAM, it provides ample resources for complex applications. Its 1.8V to 3.6V supply range and 32-WFQFN package make it suitable for power-sensitive and space-constrained designs, while integrated DMA, I2S, and PWM peripherals enhance system integration.

  • Secure Core: ARM Cortex-M23 with TrustZone for security.
  • Large Memory: 512KB flash / 96KB RAM for complex code.
  • Low Voltage: 1.8V operation for battery devices.
  • Rich Peripherals: DMA, I2S, PWM reduce external components.

IoT Edge Nodes

Cortex-M23 with TrustZone enables secure cloud connectivity.

Smart Home Hubs

Rich peripherals (I2S, PWM) support voice and lighting control.

Industrial HMI

High memory and 64MHz speed handle graphical interfaces.

Wearable Devices

Low voltage (1.8V) and small WFQFN package fit compact designs.

Motor Control

PWM and ADC enable precise servo and stepper control.

Data Acquisition

DMA and 96KB RAM buffer high-speed sensor data.

Q: What core does the M2351ZIAAE use?
A: It is based on the ARM Cortex-M23 core running at 64MHz.
Q: How much flash and RAM does it have?
A: It features 512KB of flash and 96KB of RAM.
Q: What is the supply voltage range?
A: It operates from 1.8V to 3.6V.
Q: Does it support DMA?
A: Yes, it includes DMA, I2S, PWM, WDT, and Brown-out detection.
Base Product Number : M2351ZIAAE
32-bit 512KB flash 64MHz ARM Cortex-M23 IoT MCU Nuvoton secure TrustZone WFQFN-32
Q: What core does the M2351ZIAAE use?
A: It is based on the ARM Cortex-M23 core running at 64MHz.
Q: How much flash and RAM does it have?
A: It features 512KB of flash and 96KB of RAM.
Q: What is the supply voltage range?
A: It operates from 1.8V to 3.6V.
Q: Does it support DMA?
A: Yes, it includes DMA, I2S, PWM, WDT, and Brown-out detection.