M481 NuMicro® Base Microcontrollers (MCUs)

Nuvoton M481 NuMicro® Base Microcontrollers (MCUs) are high-performance and low-power MCUs embedded with up to 192MHz Arm® Cortex®-M4F core, delivering 1.25DMIPS per MHz. These MCUs feature 512KB/256KB/128KB zero-wait state Flash memory, 160KB/128KB/64KB SRAM, 16-channel peripherals DMA controller, and 80 bytes of battery-powered backup registers. The M481 MCUs include a factory pre-loaded bootloader that delivers secure boot functionality to provide the code integrity check in embedded Flash memory. These MCUs are equipped with high-speed UART/SPI/I2C/PWM peripherals. The M481 MCUs consist of built-in secure protection ROM that provides a safe space for saving confidential data or programs. These MCUs are used in IoT devices and data controller applications.

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Description Datasheet Availability Pricing (CHF) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Package/Case
Core
Program Memory Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Data RAM Size
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Nuvoton ARM Microcontrollers - MCU 32-bit M4+512K-AP+RTC+SPIM+QSPI
Datasheet
490Expected 21/09/2027
Min.: 1
Mult.: 1

SMD/SMT QFN-33 ARM Cortex M4F 512 kB 32 bit 12 bit 192 MHz 26 I/O 160 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU M4, 128 KB Flash / 64 KB RAM, XOM, AES, TRNG
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M4F 128 kB 32 bit 12 bit 192 MHz 41 I/O 64 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, AES, TRNG
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M4F 256 kB 32 bit 12 bit 192 MHz 41 I/O 128 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU 32-bit M4+512K-AP+RTC+SPIM+QSPI
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 ARM Cortex M4F 512 kB 32 bit 12 bit 192 MHz 41 I/O 160 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, AES, TRNG
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4F 256 kB 32 bit 12 bit 192 MHz 52 I/O 128 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU M4, 128 KB Flash / 64 KB RAM, XOM, AES, TRNG, 2ADC
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4F 256 kB 32 bit 12 bit 192 MHz 52 I/O 128 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU 32-bit M4+512K-AP+RTC+SPIM+QSPI
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4F 512 kB 32 bit 12 bit 192 MHz 52 I/O 160 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU M4, 128 KB Flash / 64 KB RAM, XOM, AES, TRNG
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 490
Mult.: 490

SMD/SMT QFN-33 ARM Cortex M4F 128 kB 32 bit 12 bit 192 MHz 26 I/O 64 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU M4, 256 KB Flash / 128 KB RAM, XOM, AES, TRNG
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 1
Mult.: 1

SMD/SMT QFN-33 ARM Cortex M4F 256 kB 32 bit 12 bit 192 MHz 26 I/O 128 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU M4, 128 KB Flash / 64 KB RAM, XOM, AES, TRNG
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 250
Mult.: 250

SMD/SMT LQFP-64 ARM Cortex M4F 128 kB 32 bit 12 bit 192 MHz 52 I/O 64 kB 1.8 V 3.6 V - 40 C + 105 C Tray
Nuvoton ARM Microcontrollers - MCU 32-bit M4+256K-AP+RTC+SPIM+QSPI
Datasheet
Non-Stocked Lead-Time 40 Weeks
Min.: 250
Mult.: 250

SMD/SMT LQFP-64 ARM Cortex M4F 256 kB 32 bit 12 bit 192 MHz 41 I/O 96 kB 1.8 V 3.6 V - 40 C + 105 C Tray