1 Introduction
Sky Jiarun Technologies
introduces the pioneer of the Bluetooth
5.3 modules SJR-BTM371 which is a high performance, cost effective, low power
and compact solution. The Bluetooth module provides a complete 2.4GHz
Bluetooth system based on the QCC3071 WLCSP chipset which is a single
chip radio and baseband IC for Bluetooth 2.4GHz systems. This module is fully
qualified single-chip dual mode Bluetooth@v5.3 system.
2 Key Features
BTM371(QCC3071) Features
Qualified to Bluetooth v5.3 specification
240 MHz Qualcomm® Kalimba™ audio DSP
32/80 MHz Developer Processor for applications
Firmware Processor for system
Flexible QSPI flash programmable platform
High-performance 24-bit stereo audio interface
Digital and analog microphone interfaces
Flexible PIO controller and LED pins with PWM support
Serial interfaces: UART, Bit Serializer (I²C/SPI), USB 2.0
Advanced audio algorithms
Active Noise Cancellation:Hybrid, Feedforward, and Feedback modes, using
Digital or Analog Mics, enabled using license keys available from Qualcomm®
Qualcomm® aptX
™
and aptX HD Audio
aptX Adaptive, enabled using license key
1 or 2 mic Qualcomm® cVc™ headset speech processing
Integrated PMU: Dual SMPS for system/digital circuits, Integrated Li-ion battery
charger
Application subsystem
Dual-core application subsystem 32/80 MHz operation
32-bit Firmware Processor (reserved for system use) executes:
Bluetooth upper stack
Profiles
House-keeping code
32-bit Developer Processor executes:
Developer applications
Both cores execute code from external flash memory using QSPI clocked at 32
MHz or 80 MHz
On-chip caches per core enable optimized performance and power consumption
Bluetooth subsystem
Qualified to Bluetooth v5.3 specification including 2 Mbps Bluetooth Low Energy
and Bluetooth Low Energy Isochronous Channels
Qualcomm® Bluetooth High Speed Link
Single ended antenna connection with on-chip balun and Tx/Rx switch
Bluetooth, Bluetooth Low Energy, and mixed topologies supported
Class 1 support
