Smart Home Audio(325)




I91260CYI is Nuvoton Audio SoC based on ARM Cortex-M0 core running up to 50 MHz with 128 KB of flash memory and 12 KB of SRAM.

I91260CYI is equipped with a variety of peripheral devices and serial interfaces such as Timers, Watchdog Timer (WDT), Real-time Clock (RTC), Peripheral Direct Memory Access (PDMA), full range of serial interfaces (UART, SPI/SSP, I2C),12-bit SAR ADC Converter, PWM, GPIO, LDO, Low Voltage Detector and Brown-out detector.

The core features for I91260CYI Audio SoC includes audio I/O interfaces such as I2S, SDADC, DMIC input and Differential Audio PWM output.

Specifically, I91260CYI provides Audio SoC System Hardware, with Voice Recognition Capability.

Voice Recognition: 

Supports 32 langues with adaptation tool
Embedded off-line local VR

Target Applications:

Audio Processing Platforms
Voice input product - remote control, light switch, and smart applicances
Industrial Automation
Smart Home - Voice HMI

Key Features:

  - Arm® Cortex®-M0 processor running up to 50MHz
  - 128KB Flash
  - 12KB embedded SRAM
  - 4 KB Flash for user program loader ( LDROM )
  - ISP / ICP / IAP programming
  - Built-in trimmable oscillator with range of 16-48MHz
  - External 32KHz crystal input for RTC function and low power system operation
  - External 12MHz crystal input for precise timing operation
  - 2 channels 32-bit timer
  - 2 channels 16-bit timer
  - 4 channels 16-bit PWM or 2 sets of complementary paired PWM
Communication Interfaces
  - 1-set of UART interface
  - 1-set of SPI interface
  - 1-set of I²C interface
Audio Interfaces
  - Differential Audio PWM Output (DPWM), Supports Sample Rate from 8~48KHz, 0.5W drive@8ohm
  Sigma-Delta ADC with configurable decimation filter and 16 bit output
  - Digital MIC Input
  - 1-set of I²S interface
  - Four I/O modes: Quasi bi-direction / Push-Pull output / Open-Drain output / Input with high impendence
  - Maximal 32 GPIOs
  - Multi-Function Timers, WDT, RTC
  - PDMA
  - Built-in Low Dropout Regulator(LDO)
  - Over Temperature Alarm
  - 12-bit SAR ADC with 700K SPS
Operating Characteristics
  - Wide voltage range: 1.8V ~ 5.5V
  - Temperature range: -40°C ~ 85°C
  - QFN-32 (4x4mm)


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