QCC3020蓝牙音频SoC技术规格详解

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"QCC3020-datasheet.pdf 是一份关于高通QCC3020芯片的详细资料，包含78页内容，主要针对蓝牙音频应用，如TrueWireless立体声耳机。" QCC3020是高通公司设计的一款高性能可编程蓝牙立体声音频系统级芯片（SoC），专门用于实现高质量的音频体验。这款芯片集成了蓝牙v5.0规范，提供更远的传输距离和更高的数据传输效率。它支持多种音频编解码器，包括Qualcomm aptX、aptX HD、aptX Low Latency，以及SBC和AAC，为用户提供无损或接近无损的音质。 QCC3020的架构由三核处理器组成，其中包括一个专为低功耗而设计的120MHz Qualcomm Kalimba音频DSP，一个32MHz开发者处理器用于应用程序处理，以及一个固件处理器负责系统级任务。这种架构有助于延长电池寿命，确保设备在长时间使用后仍能保持稳定性能。该芯片具备灵活的QSPI闪存编程平台，允许用户根据需求定制功能和固件。此外，它还支持先进的音频算法，如24位高精度音频接口，数字和模拟麦克风接口，以及集成的噪声抑制和回声消除技术—— Qualcomm cVc，可以提供清晰的通话质量。在硬件扩展方面，QCC3020具有灵活的PIO控制器和带有PWM支持的LED引脚，适应各种外设控制。它还集成了串行接口，如UART、Bit Serializer (I²C/SPI) 和USB2.0，便于与其他设备通信。为了电源管理，QCC3020内置了双SMPS，分别用于系统和数字电路，并配备了Li-ion电池充电器，确保了系统的高效能和便携性。封装形式为90球的5.5x5.5x1.0mm BGA，适合在小型设备中集成，如真无线耳机等便携式音频产品。 QCC3020是一款高度集成的蓝牙音频解决方案，旨在提供卓越的音频性能、低功耗特性和广泛的连接选项，是设计高性能、紧凑型无线音频产品的理想选择。

Tables

Table 1-1: QCC3020 VFBGA pin allocaons (Orientaon from top of device)......................................................................... 18

Table 1-2: QCC3020 VFBGA device terminal funcons (Radio)................................................................................................19

Table 1-3: QCC3020 VFBGA device terminal funcons (Clock)................................................................................................ 19

Table 1-4: QCC3020 VFBGA device terminal funcons (USB).................................................................................................. 20

Table 1-5: QCC3020 VFBGA device terminal funcons (QSPI)................................................................................................. 20

Table 1-6: QCC3020 VFBGA device terminal funcons (PIO)................................................................................................... 21

Table 1-7: QCC3020 VFBGA device terminal funcons (Audio)............................................................................................... 23

Table 1-8: QCC3020 VFBGA device terminal funcons (AIO/LED drivers)................................................................................24

Table 1-9: QCC3020 VFBGA device terminal funcons (SMPS)................................................................................................24

Table 1-10: QCC3020 VFBGA device terminal funcons (Power supplies and control)........................................................... 24

Table 1-11: QCC3020 VFBGA device terminal funcons (Ground)...........................................................................................25

Table 1-12: QCC3020 VFBGA device terminal funcons (Not connected)............................................................................... 26

Table 8-1: High-quality ADC analog gain vs. input impedance and input amplitude............................................................... 40

Table 8-2: Headset output driver mode................................................................................................................................... 41

Table 8-3: I²S/PCM master mode ming diagram symbols...................................................................................................... 42

Table 8-4: I²S/PCM slave mode ming diagram symbols......................................................................................................... 43

Table 8-5: Codec input use condions..................................................................................................................................... 44

Table 8-6: Codec output use condion.................................................................................................................................... 44

Table 8-7: QCC3020 VFBGA audio slots....................................................................................................................................44

Table 9-1: Virtual PIO............................................................................................................................................................... 46

Table 9-2: LED controller paern............................................................................................................................................. 47

Table 9-3: LED_PWM to PIO to LED_PAD mapping.................................................................................................................. 48

Table 10-1: Transacon bridge PIO mulplex...........................................................................................................................49

Table 13-1: Parameters in Trickle charge..................................................................................................................................53

Table 13-2: Parameters in Pre-charge...................................................................................................................................... 54

Table 13-3: Parameters in Fast charge..................................................................................................................................... 54

Table 13-4: Parameters in Standby mode................................................................................................................................ 55

Table 16-1: Class-D DAC audio output..................................................................................................................................... 69

Table 16-2: High-quality (HQADC) single-ended audio input................................................................................................... 70

80-CG231-1 Rev. AA Confidential and Proprietary – Qualcomm Technologies International, Ltd.

MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION

Figures

QCC3020 VFBGA funconal block diagram................................................................................................................................6

Figure 1-1: QCC3020 VFBGA package dimensions diagram..................................................................................................... 17

Figure 2-1: Bluetooth subsystem............................................................................................................................................. 28

Figure 3-1: Crystal oscillator..................................................................................................................................................... 30

Figure 4-1: QCC3020 VFBGA stac power states diagram....................................................................................................... 32

Figure 5-1: Host Interfaces subsystem..................................................................................................................................... 34

Figure 6-1: Applicaons subsystem..........................................................................................................................................35

Figure 7-1: QCC3020 VFBGA Audio subsystem........................................................................................................................ 37

Figure 8-1: QCC3020 VFBGA high-quality ADC input switch conguraon..............................................................................39

Figure 8-2: I²S/PCM master mode ming diagram.................................................................................................................. 42

Figure 8-3: I²S/PCM slave mode ming diagram......................................................................................................................43

Figure 11-1: Boot Manager...................................................................................................................................................... 50

Figure 12-1: System Manager.................................................................................................................................................. 51

Figure 13-1: PMU subsystem................................................................................................................................................... 52

Figure 13-2: Charge cycle states............................................................................................................................................... 53

Figure 13-3: Power regulaon..................................................................................................................................................56

Figure 14-1: QCC3020 VFBGA example applicaon schemac................................................................................................ 58

80-CG231-1 Rev. AA Confidential and Proprietary – Qualcomm Technologies International, Ltd.

MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION

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