음성인식 모듈

BNPU 기반 음성인식 회로, DNN 기반 소음 제거, SoC 패키징 최적화. 스마트 스위치 핵심 기능 구현 → 특허 기술 적용

CPU and Storage

– CPU frequency up to 220 MHz
– 2MBytes of Flash memory inside
– 640K Bytes of SRAM inside
– 512bit eFuse for encryption

Audio Codec

– Low-power consumption audio ADC with SNR ≥ 95dB
– Low-power consumption audio DAC with SNR ≥ 95dB

Audio interfaces

– One IIS interface, master/slave configurable
– One Dual-channel PDM interface • ADC and PWM
– One channel 12bit SAR ADC
– Six PWM interfaces

ADC and PWM

– One channel 12bit SAR ADC
– Six PWM interfaces

GPIO

– 10 fast GPIOs, response speed up to 20MHz
– 7 GPIOs with 5V input tolerant capability

Reset and power management

– Build-in PMU
– PMU input voltage range: 3.6V to 5.5V
– Power-on Reset (POR)
– Power Voltage Detector (PVD)

Clock management

– Built in RC oscillator, also support external crystal oscillator.
– Developers can choose to use built-in RC or external crystal as chip clock source according to different applications

Communication interface

– One IIC interface
– Three UART interfaces with 3M baud rate

Timer and Watch dog

– Four 32-bit timers, Two watch dogs