高通QCC3020：集成蓝牙5.0与音频处理的低功耗SoC

高通QCC3020

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高通QCC3020是一款高度集成的系统级芯片（System-on-Chip, SoC），专为蓝牙音频应用设计，它集成了蓝牙、音频处理以及可编程的应用处理器。这款芯片以其高性能和低功耗特性，旨在提供出色的电池续航和便携性。 QCC3020的核心亮点包括： 1. 蓝牙功能强大：内置高规格的蓝牙v5.0，支持单芯片双模工作，满足无线耳机、智能设备等多种应用场景的需求。 2. 音频处理能力：采用Qualcomm aptX音频编解码器，支持高质量音频传输，确保音质的清晰度和稳定性。此外，还配备了一颗120MHz的Qualcomm Kalimba音频数字信号处理器（DSP），提供丰富的音频处理能力，能够配置成各种灵活的音频图形，满足定制化需求。 3. 处理器架构：采用三核处理器设计，其中包含一个用于执行外部QSPI闪存代码的开发者处理器，以及负责系统功能的固件处理器。这些处理器都配备了紧密耦合内存（TCM）和片上缓存，提高代码执行效率。 4. 存储灵活性：支持灵活的QSPI闪存编程平台，允许制造商根据产品特性定制软件和功能。 5. 接口丰富：包括I²S、I²C、UART和可编程输入/输出（PIO）等多种接口，便于与外部设备通信，如麦克风、LED驱动等。 6. 音频接口：支持24-bit高分辨率数字音频输入和输出，以及数字和模拟麦克风接口，确保音频质量和录音质量。 7. 噪音控制技术：集成有1或2麦克风的Qualcomm cVc技术，实现先进的噪声抑制和回声消除功能，提升通话体验。 8. 音频编码支持：除了aptX外，还支持SBC和AAC等多种编码格式，同时aptX、aptX HD和aptX Low Latency独立编码也通过相对许可费用支持。 9. 电源管理：集成强大的电源管理单元，包括双开关稳压电源（SMPS）和集成的锂离子电池充电器，优化能源利用。 10. 尺寸和封装：紧凑的90球5.5x5.5x1.0毫米VFBGA封装，适合小型化设计。高通QCC3020芯片凭借其全面的功能和高度的灵活性，为无线音频设备制造商提供了卓越的解决方案，帮助他们快速开发出具有创新特性的音频产品。无论是无线耳机、音箱还是其他音频设备，都能通过这款芯片实现高效、高质量的音频体验。

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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