Difference between revisions of "PineBuds Pro"

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(Copied the main description from the store to avoid confusion with OSHW)
m (made it more clear that the wireless charging IC is unpopulated)
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** [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/CH342DS1.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 (Unpopulated)]
* EarBuds:
* EarBuds:
** [https://files.pine64.org/doc/datasheet/PineBudsPro/CE3156-EN-01.pdf ChiPower Tech CE3156 Single Cell Charger Datasheet]
** [https://files.pine64.org/doc/datasheet/PineBudsPro/CE3156-EN-01.pdf ChiPower Tech CE3156 Single Cell Charger Datasheet]

Revision as of 07:18, 20 December 2022

The PineBuds Pro

The PineBuds Pro are open firmware capable ANC wireless earbuds. Some of the notable features include their 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 even though hardware is proprietary.

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