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qcc5144

  • 蓝牙芯片qcc5144 详细规格书

    高通蓝牙芯片qcc5144 详细规格手册datasheet (共99页)含各个接口说明,应用原理图等信息。 QualcommTrueWireless™ stereo earbuds  (无线双耳) Features(特点) ■ Qualifiedto Bluetooth v5.2 specification  (蓝牙协议标准5.2) ■ 120 MHz Qualcomm ® Kalimba ™ audio DSP  (120MHz 的音频DSP处理器) ■ 32 MHz/80MHz Developer Processor for applications   ■ Firmware Processor for system ■ Flexible QSPI flash programmable platform   (可编程的QSPI外挂存储器) ■ High-performance 24‑bit audio interface       (高性能的24位音频接口) ■ Digital and analog microphone interfaces      (含 数字 及模拟 MIC接口) ■ Flexible PIO controller and LED pins with PWM support ■ Serial interfaces: UART, Bit Serializer (I²C/SPI), USB 2.0   (支持串口,I2C, SPI,USB 接口) ■ Advanced audio algorithms   (高级的音频算法) ■ ActiveNoise Cancellation:        (支持ANC 主动降噪功能) Hybrid, Feedforward, and Feedback modes, using Digital or Analog Mics, enabled using license keys available from Qualcomm® ■ Qualcomm ® aptX ™ and aptX HD Audio  (支持独特的aptx 功能)

    标签: 蓝牙芯片 qcc5144

    上传时间: 2022-04-06

    上传用户:pagedown

  • 高通蓝牙芯片qcc5144_硬件设计指导书

    高通(Qualcomm)蓝牙芯片qcc5144_硬件设计详细指导书(官方内部培训手册)其内容是针对硬件设计、部分重要元器件选择(ESD,Filter)及走线注意事项的详细说明。2 Power management 2.1 SMPS 2.1.1 Components specification 2.1.2 Input power supply selection 92.1.3 Minimize SMPS EMI emissions 2.1.4 Internal LDOs and digital core decoupling 2.1.5 Powering external components 2.2 Charger 2.2.1 Charger connections.2.2.2 General charger operation2.2.3 Temperature measurement during charging 2.3 SYS_CTRL 3 Bluetooth radio3.1 RF PSU component choice 3.2 RF band-pass filter3.3 Layout (天线 走线的注意事项)4 Audio4.1 Audio bypass capacitors 4.2 Earphone speaker output4.3 Line/Mic input 4.4 Headphone output optimizition5 LED pads 5.1 LED driver 5.2 Digital/Button input 5.3 Analog input5.4 Disabled 6 Reset pin (Reset#)7 USB interfaces7.1 USB device port7.1.1 USB device port7.1.2 Layout notes 7.1.3 USB charger detectionA qcc5144 VFBGA example schematic and BOM B Recommended SMPS components specificationB.1 Inductor specifition B.2 Recommended inductors B.3 SMPS capacitor specifition

    标签: 蓝牙芯片 qcc5144

    上传时间: 2022-04-06

    上传用户:默默