AI ASR Chip Supporting Off-Line Automatic Speech Recognition, Widely Used in Home Appliances
CI1122 is an AI ASR chip from Chipintelli that is widely used in home appliances, household appliances, lighting, toys, wearable equipment, automobiles and other products for voice interaction and control. CI1122 has built-in independent intellectual property right owned Brain Neural Network Processor (BNPU), which supports off-line automatic speech recognition. CI1122 can be used in various intelligent speech solutions together with built-in CPU core.
CI1122 has built-in high-performance and low power consumption audio Codec module, which can be connected with external microphone to realize single chip far-field noise reduction or echo cancellation. At the same time, the chip CI1122 also integrates multiple UART, IIC, PWM, GPIO and other peripheral control interfaces, which can develop low-cost single-chip intelligent voice offline recognition solutions.
Features:
· Brain Neural Network Processing Unit (BNPU)
◇ NN processing core
◇ Off-line ASR
◇ Voice Activity Detection
· CPU and Memory
◇ 32-bit high frequency CPU
◇ Built-in Nor Flash
◇ Built-in SRAM
· Audio Interface
◇ High performance, low power consumption Audio Codec, to support 1-wire ADC sample collection and 1-wire DAC play
◇ 8kHz/16kHz/24kHz/32kHz/44.1kHz/48kHz sampling rate
◇ Support ALC
· Peripheral Interface
◇ 2 UART interfaces, support maximum 3M baud rate
◇ 1 IIC interfaces
· Timer and Watchdog
◇ Built-in 4 32-bit timer
◇ Support 6 PWM interfaces
◇ Built-in independent watchdog and window monitoring watchdog
◇ Support timeout to generate interrupts and resets
· ADC Converter
◇ Built-in 4 channels 12bit SAR ADC
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