Hi-Link/HLK-V20 Voice Recognition Control Board Module Serial Port Module Dual-Mode DIY

Hi-Link/HLK-V20 Voice Recognition Control Board Module Serial Port Module Dual-Mode DIY Description

HLK-V20 is the latest high-performance pure offline speech recognition module for a large number of pure offline control scenarios and products. It can be widely and quickly applied to homes, various small appliances, 86 boxes, toys, lamps, industrial, medical, Products that require voice control, such as the Internet of Things, automobiles, security and lighting.
The module uses a 32bit RSIC architecture core, and adds a DSP instruction set specifically for signal processing and speech recognition, an FPU arithmetic unit that supports floating-point operations, and an FFT accelerator. The audio signal is trained and learned through the neural network to improve the voice signal Recognition ability.
The solution supports offline recognition of 150 local commands, freely customizable wake- words, command words and response broadcast words, and has a wealth of peripheral interfaces.
Processing kernel:32bit RISC core, running frequency 240M

Support DSP instruction set and FPU floating point operation unit
FFT accelerator: supports to 1024 points of complex FFT/IFFT operations or 2048 points of real FFT/IFFT operations
Customized voice algorithm operator
Storage:
Support 1 analog Mic input
Support dual-channel DAC output
Support 12S input/output
Power supply and clock:
Built-in 5V to 3.3V, 3.3V to 1.2V LDO power supply for the chip RC 12MHz clock source and PLL phase-locked loop clock source
Set POR (Power Reset), low voltage detection and watchdog
Peripheral interface:
Support to 10 GPIO
All GPIO can be configured as external interrupt input and call source
1 standard SPI Master interface, the highest speed car is 30MHz
1 SPI Slave interface with a maximum rate of 30MHz
1 full-duplex UART maximum rate 3Mbps
I I2C master/slave controller with a