NUC123ZD4AN0

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 C RC 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 )
• PWM
  • Up to two-channel PWM or one complementary paired PWM outputs
  • Period/duty trigger ADC function
• Connectivity
  • One USB 2.0 full speed device
  • Up to 3 SPI s ( up to 32 MHz )
  • Up to 1 I²C s ( up to 400 kHz )
  • Up to 1 UART s ( up to 1 Mbps )
• Clock Control
  • 4 to 24 MHz external crystal oscillator
  • 22.1184 MHz internal RC oscillator ( ± 1 % accuracy at 25 ℃ , 5V )