I94124ADI
I94124ADI 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.
I94124ADI 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 I94124ADI 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:
| • | 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) | |
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