Off line voice chip

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JX108 Chip

JX108 Chip

Jx108 is a low-cost pure off-line speech recognition chip newly launched by motion intelligence for a large number of pure off-line control scenarios and products. Equipped with high-quality voice alg

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Jx108 is a low-cost pure off-line speech recognition chip newly launched by motion intelligence for a large number of pure off-line control scenarios and products. Equipped with high-quality voice algorithm and model, jx108 provides customers with ultra-low-cost off-line speech recognition scheme, which can be widely and quickly applied to smart home, All kinds of intelligent household appliances, toys, switches, sockets, lamps and other products that need voice control. The chip adopts 32 bit RSIC architecture core, adds DSP instruction set for signal processing and speech recognition, FPU unit supporting floating point operation and FFT accelerator. The scheme supports 100 local instructions off-line recognition, RTOS lightweight system, rich peripheral interfaces and simple and friendly customized tools.

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  • Main features of the chip: processing core

  • 32 bit RISC core, operating frequency 240m

  • Support DSP instruction set and FPU floating point unit

  • FFT accelerator: up to 1024 complex FFT / IFFT operations, or 2048 real FFT / IFFT operations

  • Customized storage of speech algorithm operators

  • Built in high speed 256Kb SRAM

  • Built in 2MB flash audio input and output

  • Support 1 channel analog MIC input, SNR ≥ 94db

  • Support 4-channel digital MIC input

  • Support dual channel DAC output

  • Support I2S input / output power supply and clock

  • Support 5V power input, built-in 5V to 3.3V, 3.3V to 1.2V LDO for chip power supply

  • RC 12 MHz clock source and PLL clock source

  • Built in por (power on reset), low voltage detection and watchdog peripheral interface

  • Support up to 13 gpios

  • All GPIO can be configured as external interrupt input and wake-up source

  • 1 standard SPI master interface with maximum speed of 30MHz

  • One SPI slave interface with maximum speed of 30MHz

  • One full duplex UART with a maximum rate of 3mbps.

  • One I2C master / slave controller with maximum speed of 400kHz

  • 2 PWM outputs

  • A 12 bit SAR ADC with a maximum sampling rate of 450kHZ SDK

  • Provide full RTOS based SDK

  • Provide a complete solution with voice algorithm

  • Support fast and convenient UART, I2C and other control protocols to develop chip physical specifications

  • Package: qsop24

  • Ambient operating temperature: - 20 ℃ to 85 ℃