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Product attributes Property Value
Manufacturer Nuvoton Technology Corporation
Product Series NuMicro® M480
Packaging Tray |
Core Processor ARM® Cortex®-M4F
Core Size 32-Bit Single-Core
Speed 192MHz
Connectivity I2C, LINbus, SCI, SmartCard, SPI, USB
Peripherals Brown-out Detect/Reset, DMA, I2S, LCD, LVR, POR, PWM, WDT
Number of I/O 41
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 160K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V
Data Converters A/D 12x12b SAR; D/A 2x12b
Oscillator Type External, Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-LQFP (7x7)
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The M481LIDAE from Nuvoton is a high-performance 32-bit microcontroller based on the ARM Cortex-M4F core with a floating-point unit, operating at up to 192 MHz. It features 512KB of flash memory and 160KB of SRAM, along with a comprehensive set of peripherals including LCD controller, I2S, DMA, and multiple PWM channels. The device operates from 1.8V to 3.6V and is housed in a 48-LQFP package. This MCU is designed for demanding applications such as industrial control, motor control, and smart energy systems, offering exceptional processing power and memory resources.

  • High Performance (192MHz): The Cortex-M4F core with FPU accelerates complex mathematical computations.
  • Large Memory (512KB Flash, 160KB RAM): Supports complex firmware and data buffering without external memory.
  • Integrated LCD Controller: Enables direct display driving, reducing system cost.
  • Rich Peripheral Set: Includes I2S, DMA, and multiple PWMs for versatile applications.
  • Wide Temperature Range: -40°C to 105°C for industrial reliability.

Advanced HMI Panels

The Cortex-M4F core at 192MHz, combined with the LCD controller, enables smooth graphics rendering and touch response in industrial human-machine interfaces.

Motor Control with Field-Oriented Control

The floating-point unit accelerates FOC algorithms for brushless DC motors, while the PWM and ADC peripherals provide precise current sensing.

Smart Grid and Energy Monitoring

With 512KB flash and 160KB RAM, it can run complex power analysis algorithms and communication stacks for smart meters.

Audio Processing

The I2S interface and high-speed core support audio codec interfacing for voice-controlled devices or audio effects processors.

Medical Imaging Devices

High memory capacity and DSP instructions enable real-time processing of ultrasound or optical coherence tomography signals.

Robotics Controllers

Multiple PWM channels and DMA allow coordinated control of servo motors and sensors, while the LCD displays status information.

Q: What is the core of the M481LIDAE?
A: It uses an ARM Cortex-M4F core with floating-point unit, running at up to 192 MHz.
Q: What is the maximum flash and RAM?
A: It offers 512KB of flash memory and 160KB of SRAM, suitable for complex applications.
Q: Does it support LCD?
A: Yes, it includes an LCD controller, making it suitable for display applications.
Q: What is the supply voltage range?
A: The device operates from 1.8V to 3.6V.
Q: What package is available?
A: It comes in a 48-pin LQFP package, balancing I/O count and board space.
Base Product Number : M481
192MHz 32-bit 512KB flash ARM Cortex-M4F audio industrial LCD controller LQFP-48 MCU motor control
Q: What is the core of the M481LIDAE?
A: It uses an ARM Cortex-M4F core with floating-point unit, running at up to 192 MHz.
Q: What is the maximum flash and RAM?
A: It offers 512KB of flash memory and 160KB of SRAM, suitable for complex applications.
Q: Does it support LCD?
A: Yes, it includes an LCD controller, making it suitable for display applications.
Q: What is the supply voltage range?
A: The device operates from 1.8V to 3.6V.
Q: What package is available?
A: It comes in a 48-pin LQFP package, balancing I/O count and board space.