Smart Home Audio(325)




I94113BYI is Nuvoton Audio SoC based on embedded ARM® Cortex®-M4 core with DSP extensions and a Floating Point Unit which run up to 200 MHz.  It provides up to 256 KB of flash memory and up to 128 KB of SRAM.

I94113BYI is also equipped with a variety of peripheral devices, such as Multi-Function Timers, Watchdog Timers, RTC, PDMA, UART, SPI, I²C, PWM, GPIO, 12-bit ADC, USB1.1 Device, Low voltage reset and Brown-out Detector.

The core features for I94113BYI Audio SoC includes audio I/O interfaces such as I2S, 12-bit SAR ADC Converter, DMIC input and Differential Audio PWM output.

Target Applications:

Audio Processing Platforms
Voice Input Product - remote control, light switch, and smart applicances
Industrial Automation
Smart Home - Voice HMI
USB/I2S Audio Bridge
Gaming Controller

Key Features:

  - Arm® Cortex®-M4 processor running up to 200MHz
  - 256 KB Flash
  - 128 KB embedded SRAM
  - 4 KB Flash for user program loader ( LDROM )
  - ISP / ICP / IAP programming
  - Built-in 48.0 MHz / 49.152 MHz selectable internal high speed RC oscillator (HIRC) for system operation
  - External 32kHz crystal input for RTC function and low power system operation
  - Supports PLL upto 500MHz for high performance system operation
  - 4 channels 32-bit timer
  - 6 channels 16-bit PWM
Communication Interfaces
  - 1-set of UART interface
  - 1-set of SPI interface + 2-set of shared SPI interface
  - 1-set of I²C interface
Audio Interfaces
  - Differential Audio PWM Output (DPWM), Supports Sample Rate from 16~96KHz
  Digital MIC Input
  - 1-set of I²S interface + 2-set of shared I2S interface. 
  - Four I/O modes: Quasi bi-direction / Push-Pull output / Open-Drain output / Input with high impendence
  - Maximal 60 GPIOs
  - 12-bit SAR ADC
  - Multi-Function Timers, WDT, RTC
  - PDMA
  - USB1.1 Device Controller
Operating Characteristics
  - Wide voltage range: 1.8V ~ 3.3V
  - Temperature range: -40°C ~ 85°C
  - QFN-48 (6x6mm)


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