Difference between revisions of "PineBuds Pro"

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* Charging Case:
* Charging Case:
** [https://files.pine64.org/doc/datasheet/PineBudsPro/SY8821_SPEC_V1_2_2.pdf ThinkPlus Semi SY8821 Datasheet in Chinese]
** [https://files.pine64.org/doc/datasheet/PineBudsPro/SY8821_SPEC_V1_2_2.pdf ThinkPlus Semi SY8821 Datasheet in Chinese]
** [https://files.pine64.org/doc/datasheet/PineBudsPro/CH342DS1.pdf WCH Tech CH342DS USB to Dual Serial ports chip Datasheet]
** [https://files.pine64.org/doc/datasheet/PineBudsPro/CE3156-EN-01.pdf WCH Tech CH342DS USB to Dual Serial ports chip Datasheet]
** [https://files.pine64.org/doc/datasheet/PineBudsPro/COPO%20CP2021%202.5W%20Qi%20Wire%20Power%20Receiver.pdf COPO CP2021 2.5W Qi Wire Power Receiver Datasheet(noted: not staffed)]
** [https://files.pine64.org/doc/datasheet/PineBudsPro/COPO%20CP2021%202.5W%20Qi%20Wire%20Power%20Receiver.pdf COPO CP2021 2.5W Qi Wire Power Receiver Datasheet(noted: not staffed)]
* EarBuds:
* EarBuds:

Revision as of 00:30, 25 September 2022

The PineBuds Pro

The PineBuds Pro is a free and open source ANC TWS Earbuds capable of running custom-built open operating systems. Some of the notable features include light weight, 3 Microphones, ANC (Active Noise Cancellation), ENC (Environment Noise Cancellation) and high fidelity 6mm speaker. It is a fully community driven side-project which anyone can contribute to, allowing you to keep control of your device.



Software releases

Firmware Images Build

SDK Release

SoC and Memory Specification

BES-Tech.jpg

BES2300YP Block Diagram.jpg


SoC Architecture

Cortex-M4.png
    • CMOS Single-chip Fully-integrated RF, PMU, Audio CODEC and Cortex-M4F CPU
    • 4MB Serial Flash On-chip for Custom Program
    • Internal ROM 448KB for critical constants and code
    • Internal SRAM 992KB for critical data and code
  • BT Features:
    • Bluetooth 5.2 dual-mode compliant
  • Audio Features:
    • Support BES Intelligent Bluetooth Retransmission (IBRT)
    • Support FF/Hybrid ANC
    • Dual MICs noise reduction
    • Echo Cancellation
    • Support low power voice activity detection
    • Multi-band EQ and Bass enhancement
    • Support Active Crossover
    • Support TWS
    • HiFi Stereo Audio DAC: 120dB SNR, 110dB DNR
    • HiFi Stereo Audio ADC: 100dB SNR

²* Sample rates from 8 kHz to 384 kHz

    • Support dual/single Mic noise suppression
    • Support ambient awareness
    • Support talk through
    • 24-bit audio processing
  • PMU Features
    • 3.1V-5.5V Input for VBAT
    • Internal LPO for low power mode.
    • DCXO with internal oscillator circuit
    • Internal temperature sensor


Information, Schematics and Certifications

Datasheets for Components and Peripherals