Microcontrollers(444)

Voice ICs(260)

NUC123SD4AE0

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.

Target Application:

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 ℃ ~ 105 ℃
   
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 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 SPI s ( up to 32 MHz )
  - Up to two I²C s ( up to 400 kHz )
  - Up to two 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 )