Bluetooth module solution based on Jieli SOC

Keywords: dual-mode Bluetooth, dual channel, prompt sound playback

1、 Plan Overview:

The dual-mode Bluetooth module solution of Xinlian adopts Jieli SOC chip, dual channel audio output, communicates with external devices through a serial port, and communicates through AT command set. It is equipped with different carrier boards to achieve different functions and supports local audio playback through external Norflash. It integrates BLE Bluetooth data transmission, classic Bluetooth music playback, local prompt sound and music playback functions, and solves many pain points and problems of Bluetooth module products, providing customers with a stable and easy-to-use module experience.

2、 Scheme presentation:

Physical image:

3、 Program features:

1）CPU

32-bit DSP, supporting hardware floating-point units

Up to 160MHz programmable processor

64 vector interrupts

• Level 4 interrupt priority

2) DSP audio processing

Classic Bluetooth supports SBC and AAC audio decoding

Classic Bluetooth supports MSBC speech codec

• Supports MP2, MP3, WMA, APE, FLAC, AAC, MP4, M4A, WAV, AIF, AIFC audio decoding

Voice processing supports packet loss concealment

Echo cancellation/suppression (AEC, AES)

Single/Dual MIC Environmental Noise Cancellation (ENC)

Multi band DRC limiter

• Sound effects support 10 EQ configurations

Dual channel audio output

3) Bluetooth

V5.1+BR+EDR+BLE specification

• Supports all packet types of GFSK and π/4 DQPSK

6dBm transmission power

-90dBm receiving sensitivity

10 meter wireless transmission range

• Fast AGC with enhanced dynamic range

• Supports A2DP/AVRCP/HFP/HID/AVCTP/AVDTP/SPP protocols

4) Certification

• SRRC

• FCC

• BQB

• KCC

4、 Application areas:

Massage chairs, treadmills, and other sports and health fields

Smart toilet, bathroom mirror, bathroom heater, lighting, fan and other smart home fields

5、 Technical support:

1) Open application schematic, PCB design guidance (first generation Layout PCB), Bom table

2) Software burning Bin document

3) Firmware Download Tool

4) Provide development and maintenance of WeChat mini programs

5) IDH provides full support and maintenance from evaluation, project initiation, drawing, sampling, testing to mass production

Xinlian can flexibly arrange technical cooperation modes based on the qualifications and team configuration of its visual customers. For further details on the plan, please call 400-816-1216; Or send an email to sales@superic.com We will contact you as soon as possible; You can also log in to the SuperIC community（ http://bbs.superic.com ）Seeking further information.

6、 Application scenarios:

Widely used: massage chairs, massage helmets, foot baths, treadmills, Bluetooth speakers, Bluetooth speaker lights, toilets, bathroom mirrors, shower controllers and other smart health, smart bathroom and smart home products.