I94124CDI

I94124CDI 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 512 KB of flash memory and up to 192 KB of SRAM.

I94124CDI 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 I94124CDI Audio SoC includes audio I/O interfaces such as I²S, 12-bit SAR ADC Converter, DMIC input and Differential Audio PWM output.

Specifically, I94124CDI provides Audio SoC System Hardware, with Voice Recognition Capability.

Voice Recognition

• Supports 32 Langues with Adaptation Tool
• Embedded off-line local VR
• Upto 100 commands

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

• Core
  • Arm^® Cortex^®-M4 processor running up to 200MHz
• Memories
  • 512 KB Flash
  • 192 KB embedded SRAM
  • 4 KB Flash for user program loader ( LDROM )
  • ISP / ICP / IAP programming
• Clocks
  • 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
• Timers
  • 4 channels 32-bit timer
• PWMs
  • 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.
• GPIOs
  • Four I/O modes: Quasi bi-direction / Push-Pull output / Open-Drain output / Input with high impendence
  • Maximal 60 GPIOs
• Peripherals
  • 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
• Package
  • LQFP-64 (7x7mm)

Technical Documents

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