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Product attributes Property Value
Manufacturer Nuvoton Technology Corporation
Product Series NuMicro™ NUC230
Packaging | Tray
Core Processor ARM® Cortex®-M0
Core Size 32-Bit Single-Core
Speed 72MHz
Connectivity CANbus, I2C, IrDA, LINbus, SmartCard, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, I2S, LVD, POR, PS2, PWM, WDT
Number of I/O 49
Program Memory Size 64KB (64K x 8)
Program Memory Type FLASH
EEPROM Size 4K x 8
RAM Size 8K x 8
Voltage - Supply (Vcc/Vdd) 2.5V ~ 5.5V
Data Converters A/D 7x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Supplier Device Package 64-LQFP (7x7)
Package / Case 64-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The NUC230SD2AE from Nuvoton is a 32-bit ARM Cortex-M0 microcontroller designed for cost-sensitive embedded control. It runs at 72MHz with 64KB flash and 8KB SRAM, supporting a wide 2.5V to 5.5V supply. The 64-LQFP package provides ample I/O for industrial, automotive, and consumer applications. Integrated peripherals include PWM, I2S, DMA, and multiple reset/supervisory functions, ensuring robust operation from -40°C to 105°C.

  • Wide voltage range (2.5V-5.5V): Simplifies power design and supports legacy 5V logic without level shifters.
  • High temperature tolerance (105°C): Enables use in harsh environments like automotive and industrial ovens.
  • Rich peripheral set: DMA, I2S, PWM, and PS2 reduce external components and CPU load.
  • Compact 64-LQFP: Balances pin count and board space for medium-complexity designs.

Industrial Control

With a 72MHz Cortex-M0 core and 64KB flash, the NUC230SD2AE handles real-time control loops for motor drives and PLCs. Its wide voltage range (2.5V-5.5V) simplifies power supply design in noisy industrial environments.

Home Appliance Panels

The integrated PWM and I2S support touch-sensitive interfaces and audio feedback. The -40°C to 105°C range ensures reliable operation in ovens, refrigerators, and washing machines.

Smart Sensors

DMA and LVD enable low-power data acquisition from temperature, pressure, or humidity sensors. The 8KB SRAM buffers sensor data before transmission over UART or SPI.

Automotive Body Electronics

Operating up to 105°C, this MCU suits under-hood modules like window lifters or seat controllers. Brown-out detection and WDT provide fail-safe operation.

Portable Medical Devices

The 2.5V minimum supply allows battery-powered operation. PS2 and PWM interfaces connect to pumps or actuators in infusion devices, while the Cortex-M0 ensures efficient code execution.

Building Automation

Use it in HVAC controllers or lighting systems. The 64-LQFP package offers enough GPIOs for multiple sensor inputs and relay outputs, with DMA offloading the CPU.

Q: What is the operating voltage range of the NUC230SD2AE?
A: It operates from 2.5V to 5.5V, making it suitable for both 3.3V and 5V systems.
Q: What core does this MCU use?
A: It uses an ARM Cortex-M0 core running at up to 72MHz.
Q: How much flash and RAM does it have?
A: It has 64KB flash and 8KB SRAM.
Q: What package is available?
A: It comes in a 64-LQFP package.
Q: What is the temperature range?
A: It is rated for -40°C to 105°C.
Base Product Number : NUC230SD2AE
-40C to 105C 32-bit MCU 64-LQFP 64KB Flash 72MHz 8KB SRAM ARM Cortex-M0 Automotive DMA I2S Industrial Nuvoton PWM
Q: What is the operating voltage range of the NUC230SD2AE?
A: It operates from 2.5V to 5.5V, making it suitable for both 3.3V and 5V systems.
Q: What core does this MCU use?
A: It uses an ARM Cortex-M0 core running at up to 72MHz.
Q: How much flash and RAM does it have?
A: It has 64KB flash and 8KB SRAM.
Q: What package is available?
A: It comes in a 64-LQFP package.
Q: What is the temperature range?
A: It is rated for -40°C to 105°C.