M4 Family


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The NUC505DLA 32-bit microcontroller is embedded with the ARM® Cortex®-M4F core running up to 100 MHz, supports DSP FPU function, and provides 512 Kbytes embedded SPI Flash memory, and 128 Kbytes embedded SRAM. The NUC505DLA is also equipped with plenty of peripheral devices, such as USB Host/Device, Timers, Watchdog Timers, UART, SPI, I2S, I2C, GPIO, 12-bit ADC, 24-bit Audio CODEC, Low Voltage Reset and Low Voltage Detector.

Target Application:
Thermal Printer, GPS Tracker, 2.4G Wireless Audio, Audio-related Applications, etc.

Key Features:

  • Core
    - ARM® Cortex®-M4F with DSP and FPU
    - Max frequency of 100 MHz
  • Memory
    - 128 KB of embedded SRAM
    - 512 KB of SPI Flash
  • Connectivity
    - USB 2.0 HS Device
    - USB 2.0 FS Host
    - Up to two UARTs
    - Up to one SPI
    - Up to two I²Cs (Up to 1 MHz)
  • Security for code protect
    - 128-bit key for code protection against illegal pirating
    - Supports multi-entry for 15 times
  • I²S
    - Supports Master or Slave mode operation
    - Internal PLL for frequency adjustment
    - Supports PCM mode A, PCM mode B, I2S and MSB justified data format
    - Supports DMA mode
  • 12-bit ADC
    - Up to five channels
    - Up to 1MSPS conversion with ADC_CH1, and up to 200 kSPS with others (except ADC_CH0).
  • Audio CODEC
    - Embedded Stereo 24-bit Sigma-Delta CODEC output
    - ADC-THDN: -80 dB, Dynamic Range SNR: 90 dB (A-Weighted)
    - Headphone Output-THDN:-60dB, Dynamic Range SNR: 93 dB (A-Weighted)
    - Sample Rate: 8 kHz to 96 kHz
  • Package
    - LQFP48
  • Temperature range: -40℃-+85℃

For more details and documents, please link to Nuvoton Official Website GO

Volume discounts

QuantityDiscountYou Save
10009.375%Up to$180.00
Part No.NUC505DLA
Serial Flash (Kbytes)512
SRAM (Kbytes)128
Timer (32-bit)4
Connectivity-SPI1+1 (SPIM can only support SPI Flash)
USB DeviceHS
ADC (12-bit)5-ch
Digital MIC
24-bit Audio CODEC
Security against piracy
Operating Temp. Range (°C ) -40 ~ +85
Chip PackageLQFP48 (7x7)

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