tws蓝牙耳机方案 qcc 高通方案介绍 以及功能清单

 

tws蓝牙耳机方案 qcc 高通方案介绍 以及功能清单

来源：https://www.tengtaijishu.com

下面以3020为例讲述他们的tws方案。随着304X的发布，该款芯片有降价的可能。

QCCC3020 is an entry-level flash programmable Bluetooth Audio SoC based on an extremely low power architecture which has been designed for use in compact feature optimized Qualcomm TrueWireless™ Stereo earbuds.

The QCC3020 is available in a VFBGA package with support for Qualcomm® aptX™ audio and is designed to provide our customers with a solution that helps to reduce development time and cost.

框图如下：

 

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Features

• Same extremely low-power performance as QCC5100 Series

• Optimized for Qualcomm TrueWireless Stereo and Qualcomm TrueWireless Stereo Plus

• Bluetooth 5 radio

• 2 Mbps Bluetooth low energy support

• Ultra-small form factor

• Powerful tri-core processor architecture

  • Dual core 32-bit processor application subsystem
  • Single core 120Mhz Kalimba DSP audio subsystem (runs from ROM)

• 2-ch 98dBA headset class D

• 2-ch 99dBA line inputs (single ended)

• 24-bit audio interfaces

Specifications

CPU

CPU Clock Speed: Up to 32MHz

CPU Features: Programmable Apps CPU

CPU Architecture: 32-bit

DSP

DSP RAM: 80kB (P) + 256kB (D)

DSP Technology: 1x Qualcomm® Kalimba™ DSP, Configurable DSP

DSP Clock Speed: 1x 120 MHz DSP

Bluetooth

Bluetooth Version: Bluetooth 5.0

Bluetooth Technology: Bluetooth Low Energy sensor hub, Dual-mode Bluetooth

Bluetooth Speed: 2 Mbps

Voice Services

Digital Assistant Activation: Button press

General Audio

Audio Technology: Qualcomm TrueWireless™ Stereo technology, Qualcomm TrueWireless™ Stereo Plus technology, Qualcomm® Broadcast Audio technology, Qualcomm® aptX™ audio technology, Qualcomm® cVc™ audio technology

Qualcomm® aptX™ audio playback support: Qualcomm® aptX™

Qualcomm® cVc™ noise cancellation technology: Up to 2-mic HS cVc

Audio Playback

Channel output: Mono

Power Consumption

Amperage: <6 mA

Package

Package Type: VFBGA

Pins: 90 pins

Pitch: 0.5mm Pitch

Package Size: 5.5 x 5.5 x 1 mm

 

QCC302X与QCC303X比较

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Feature List 

Feature List
Category	Basic function	Operation steps and related instructions
Basic items	Bluetooth name	QCC3020_TT01
	Button	MFB button
	LEDs	Blue light, White light
	Power on	1. Power off, press and hold the left or right earphones' MFB button for about 3 seconds to power on. 2. Take it out of the charging case and start automatically.
	Shut down	1. The earphone has not been able to connect to the phone, and the earphone will automatically turn off after 5 minutes (if the headset is connected to another earphone, the other earphone will be turned off simultaneously). 2. Put the headset into the charging box to charge, and the headset will automatically turn off.
	Enter TWS pairing mode	If there is no PEER pairing information on the left and right earphones, after the left and right earphones are turned on, the earphones directly enter the TWS pairing mode.
	TWS back connection	If pairing information already exists on the TWS, the TWS will automatically connect back when the left and right earphones are turned on.
	Enter phone pairing mode	1. After the left and right earphones are reset, after the TWS pairing connection is completed between the left and right earphones, one of the earphones automatically enters the mobile phone pairing mode. 2. If the mobile phone cannot be connected when the phone is turned on, one of the headphones will enter the mobile phone pairing mode after 10 seconds. 3. When the mobile phone is disconnected from Bluetooth, the earphones automatically enters the mobile phone pairing mode.
	Pairing timeout	Enter the mobile phone pairing mode for 5 minutes. If the mobile phone is not connected, earphone will automatically shut down. If another earphone is connected, it will be powered off simultaneously.
	Automatic shut-down	1. The single headset does not connect back when it is turned on. It automatically enters the pairing mode after 10 seconds. If it is not connected within 5 minutes, the headset automatically shuts down. 2. Disconnect the mobile phone and automatically enter the normal pairing mode. If there is no operation, it will automatically shut down after about 5 minutes. 3. If the TWS is connected during the automatic shutdown, the left and right headphones will be turned off at the same time.
	Clear pairing information	In the off state, long press 12 seconds to clear the phone and TWS pairing information.
	Siri function	In the  connected state, non-call status, triple-click the MFB button on the left to turn on the Siri function, click on the left or right headset to turn off the Siri function.
Call function	Last phone number redial	Connected status, non-call status, triple-click the MFB button to the right of the headset to replay.
	Cancel dial	Before the outgoing call is answered, click the MFB button to cancel the dialing.
	Answer the phone	Press the MFB button once to answer the call.
	Refuse to answer	Press and hold the MFB button for a long time to reject the call.
	Hang up the phone	The call is completed. Click the MFB button to end the call.
	Device switch	During a call, press and hold the MFB button for 1 second to switch the call voice between the headset and the phone.
	Scenario 1, hang up the current call to answer the new call	There is a new call during the call. Click the MFB button to hang up the current call and answer the new call at the same time. This function requires mobile phone support.
	Scenario 2, hold the current call to answer the new call	There is a new call during a call. Double-click the MFB button to hold the current call and answer the new call. This feature requires mobile phone support.
	Scenario 3, keep current call reject new call	There is a new call during a call. Press and hold the MFB button for 1 second to hold the current call and reject the new call. This function requires mobile phone support.
	Scenario 4, switch between two calls	In a three-party call, press and hold the MFB button for 1 second to hold the current call, switch to the held call, and switch between the two calls. This function requires mobile phone support.
Music function	Pause music	In the music playing state, click the MFB button to pause the music.
	Play music	In the music pause state, click the MFB button to continue playing music.
	Previous piece	In the music playing state, double-click the MFB button on the left earphone.
	Next track	In the music playing state, double-click the MFB button on the right earphone.
Connectivity	Automatically connect back on startup	After powering on, automatically connect back to the headset first, and then try to reconnect the last connected phone after the left and right headsets are successfully connected.
	Reconnect from mobile phone	When both the left and right earphones are not connected to the mobile phone, and the phone has pairing information for the earphones, you can click on the phone to connect the earphones.
	Connect after disconnection beyond the range	When Bluetooth is out of working range, it will automatically reconnect when it returns to the working area within 5 minutes.
Power function	Power display	After connecting to the phone, you can see the power display of the headset on the phone.
	Low battery alert	When the battery level of the headset is lower than 3.3V, there will be a low battery tone every 2 minutes.
	Low power shutdown	Automatically shut down when the headset battery power is below 3.0V.
	Charging current	Put the headset back into the charging case to charge the headset. The headset's white light is always on during charging, and the headset's white light will go out when fully charged (the blue light will turn off after 1 minute). Maximum charging current is about 40mA.
Upgrade Features	System update	Support DFU (OTA).