NUC123SD4AN0

The NuMicro^™ NUC123 series embedded with the ARM^® Cortex^™-M0 core runs up to 72 MHz with 36K/68K bytes Flash program memory, 12K/20K bytes SRAM, and 4K bytes Flash loader memory for In System Program (ISP) . The NUC123 series also integrates Timers, Watchdog Timer (WDT) , Window Watchdog Timer (WWDT) , PDMA with CRC calculation unit, UART, SPI, I²C, I²S, PWM Timer, GPIO, PS/2, USB 2.0 FS Device, 10-bit ADC, Low Voltage Reset Controller and Brown-out Detector.

Applications

• Consumer Electronic, USB Keyboard, Touch System, etc.

Key Features

• Core
  • Cortex^™-M0 processor
  • Max frequency of 72 MHz
  • Operating voltage: 2.5V to 5.5V
  • Temperature range: -40℃ ~ 85℃
• Memory
  • 68 KB of flash memory
  • 20 KB of SRAM
  • Configurable Data Flash
  • ISP (In-System Programming)
  • ICP (In-Circuit Programming)
  • IAP (In-Application Programming)
• ADC
  • Up to 8 channels
  • 12-bit resolution
  • Up to 800 kSPS
  • ±1℃ accurate Temperature sensor
• PWM
  • Up to 4-channel PWM or 2 complementary paired PWM outputs
  • Period/duty trigger ADC function
• Connectivity
  • One USB 2.0 full speed device
  • Up to three SPIs (up to 32 MHz)
  • Up to two I²Cs (up to 400 kHz)
  • Up to two UARTs (up to 1 Mbps)
• Clock Control
  • 4 to 24 MHz external crystal oscillator
  • 22.1184 MHz internal RC oscillator (±1% accuracy at 25℃, 5V)

Technical Documents

• For more details, please visit Nuvoton Official Website: GO