ASR PRO 3.0 4M Intelligent Voice Recognition Control Module Offline Recognition Development Board Voice Recognition Module

Quantity : 1 High-concerned chemical : none Package : TQFP Type : Module Brand Name : DIY NOW Origin : Mainland China Condition : New

Features: 1. Features high recognition accuracy, long-range identification, low latency, and precise recognition of repeated words 2. Built-in neural network processor with 3 UART ports, 6 PWM channels, and 10 I/O ports 3. Supports neural networks including DNN/TDNN/RNN and hardware-accelerated convolution operations (non-software computation) 4. Enables voice recognition, voiceprint identification, speech enhancement, speech detection, and single-microphone noise reduction 5. Incorporates 2MB/4MB FLASH memory, eliminates external crystal requirements, and integrates 3 high-performance LDOs, eliminating the need for additional power management ICs

Parameter: ASRPRO Chip Specifications: Recognition Rate: 98%+ Recognition Range: Up to 10 meters Response Time: <0.1 seconds System Frequency: 240MHz SRAM: 640KB FLASH: 4MB built-in Supply Voltage: DC 3.6-5V Supply Current: >500mA Operating Temperature: -40°C to 85°C Storage Environment: -40°C to 100°C, <5% RH Product Dimensions: 38*33*6mm Algorithm: Supports neural networks including DNN/TDNN/RNN and hardware-accelerated convolution operations; features speech recognition, voiceprint recognition, speech enhancement, speech detection, single-microphone noise reduction and enhancement, single-microphone echo cancellation, and 360-degree omnidirectional audio pickup. Clock: Built-in high-precision RC oscillator requires no external crystal or capacitor, with temperature drift below 2%. UART Interface: 3 channels, supporting up to 3M baud rate I²C Interface: 1 channel, enabling expansion with external I²C devices PWM Interface: 6 channels, directly driving lighting and motor applications GPIO Interface: 10 channels, functioning as a master control IC; select GPIOs support direct 5V signal communication without external level conversion Package include: Voice Module*1 Speaker*1 Cable*1

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