AAC507 series chip

Product overview

The AAC507 series is a dual-microphone SOC chip designed for offline speech recognition with powerful audio processing capabilities. It supports two analog microphone synchronous audio input, and built-in audio codec module, can directly complete the voice signal acquisition and processing. The chip integrates a 32-bit dual-core DSP processor with a 160MHz main frequency, with FPU floating-point operation unit, and is equipped with audio ADC and DAC to realize high-precision audio signal conversion. In addition, the DSP instruction set and FFT accelerator are specially added to the chip to significantly improve the operating efficiency of audio signal processing and offline speech recognition, and can quickly respond to complex speech instructions to provide an efficient and stable voice interaction experience for smart devices. The chip has integrated offline speech recognition algorithm, which can be quickly applied to smart home, smart lighting, smart small appliances and other products.

Voice input driver, speaker output driver and Bluetooth SDK are integrated, and built-in Bluetooth speaker function. At the same time, the SDK has integrated a number of online large model API interfaces, and the external WIFI transparent transmission module can conveniently realize real-time interaction with large models and easily build intelligent speakers. In addition, the chip is matched with 4G modules, and can also support 4G smart speakers or 4G smart toys and other scene applications.

Application areas:

Smart Home

Smart small appliances

intelligent story machine

bluetooth speaker

Smart speaker

Product function introduction

Kernel

160MHz Dual-Core DSP

Support DSP instructions, support FPU floating-point arithmetic

Storage

Built-in SRAM

Built-in flash

Audio

Supports 2 analog microphone inputs

Supports 2 DAC outputs

DAC sample rate support 8KHz / 11.025KHz / 16KHz / 22.05KHz / 24KHz / 32KHz / 44.1KHz/ 48KHz/64kHz/88.2kHz/96kHz

ADC sample rate support 8KHz / 11.025KHz / 16KHz / 22.05KHz / 24KHz / 32KHz / 44.1KHz/ 48KHz

Clock and Reset

Supports 24MHz crystal

Built-in 16MHz clock

Peripherals

6 timers with PWM and capture functions

30 general purpose GPIOs, all with external interrupt and wake support (up to 12 interrupt and wake channels)

1 USB 2.0 Full Speed (OTG) controller

Four SPI Master/Slave interfaces

1 SD interface, support EMMC/SD

4 UARTs, UART0, UART1, UART2 support DMA

2 I2C master/slave controllers

12 channels 10-bit ADC

Power

VPWR Power Supply Input Range 4.5V ~ 5.5V

VBAT Power Supply Input Range 2.2V ~ 4.5V

Working temperature

Ambient working temperature:-40 ℃ to 85 ℃

SDK

Provides a complete library of end-side speech recognition algorithms.

Provide UART communication protocol

Encapsulation

QFN42-5x4mm