NSC74 is a powerful all-in-one sound controller chip with the Arm Cortex-M0 32-bit processor. It includes non-volatile embedded Flash memory ranging from 256 KB to 1,536 KB with a 6KB bootloader and 12 KB SRAM. NSC74 features ADC, Timers, PDMA, IR Carrier, BOD, LVR, and up to 30 GPIOs shared with SPI, UART, and Addressable. It also has LED, I2C, IR, PWM output, and CapTouch keys.

• Highlights
  

  -	OTA (Over-the-Air) audio file update
  -	2-channel simultaneous playback
  -	Voice recorder
  -	Industrial-grade operating temperature: -40˚C ~ 85˚C
  -	Support interface: GPIO/ I2C/ UART

• Specifications
  

  -	Operating voltage: 1.8V ~ 5.5V
  -	Sleep mode: < 1 µA
  -	Package: LQFP48 & QFN32
  -	Duration: 128 sec ~ 900 sec
  -	Output power: 0.5W @ 8Ω/5V

• System Block Diagram