 Processing and memories

  Core: Arm® 32-bit Cortex®-M4 CPU with FPU, adaptive real-time accelerator (ART Accelerator™) allowing 0-wait-state execution from Flash memory

  Frequency up to 80 MHz, MPU, 100DMIPS and DSP instructions  Up to 256 KB single bank Flash, proprietary code readout protection

 64 KB of SRAM including 16 KB with hardware parity check  

 BR and EDR features

 Up to seven active devices

 Scatternet: up to three piconets simultaneously, one as master and two as slaves

 Up to two Synchronous Connection Oriented (SCO) links on the same piconet

 Support for all voice air-coding - Continuously Variable Slope Delta (CVSD), A-Law, µ-Law, and Transparent (Uncoded)

 Assisted mode for HFP 1.6 Wideband Speech (WBS) Profile or A2DP Profile to reduce host processing and power

 Support of multiple Bluetooth profiles with enhanced QoS

 Bluetooth Low Energy features

 Support of up to 10 simultaneous connections

 Multiple sniff instances tightly coupled to achieve minimum power consumption

 Independent buffering for Low Energy allows large numbers of multiple connections without affecting BR or EDR performance

 Built-In coexistence and prioritization handling for BR, EDR, and Low Energy

 RF performance

 Class 1.5 TX power up to +10 dBm

 –93 dBm typical RX sensitivity

 Internal temperature detection and compensation to ensure minimal variation in RF performance over temperature, no external calibration required

 Improved Adaptive Frequency Hopping (AFH) algorithm with minimum adaptation time

 Provides longer range, including twice the range of other Low-Energy-Only solutions

 Ultra-low power consumption

 MCU

 84 μA/MHz run mode

 280 nA Standby mode with RTC

 28 nA Standby mode (wakeup pins)

 8 nA Shutdown mode (wakeup pins)

 Bluetooth

 Shutdown: 1 μA

 Deep sleep mode: 40 μA

 Continuous TX @ Maximum power @ GFSK: 107 mA

 Continuous TX @ Maximum power @ BR/EDR: 112.5 mA

 Clocks

 26 MHz HFXT for Bluetooth

 32.768 KHz crystal oscillator for Bluetooth

 12 MHz HFXT for MCU

 Internal low-power 32 kHz RC (±5%) for MCU

 External 32.768 KHz LFXT for MCU (Not fitted by default)

 Peripherals and interfaces

 11x timers: 1x 16-bit advanced motor-control, 1x 32-bit and 2x 16-bit general purpose, 2x 16- bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer

 1x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps

 2x 12-bit DAC output channels, low-power sample and hold

 1x SAI (serial audio interface)

 2x USART

 1x LPUART

 2x I2C

 1x SPI

 19x GPIOs

 Enhanced system features

 RTC with HW calendar, alarms and calibration

 True random number generator

 CRC calculation unit, 96-bit unique ID

 Bluetooth 5.1 Dual-mode stack

 Dual-mode Bluetooth 5.1 certified and royalty free

 QDID: 172097

 Classic Bluetooth Profiles available

 A2DP1.2, AVDTP1.2, AVRCP1.3, HSP1.2, GAP, HID1.0, MAP1.0, PBAP1.0, RFCOMM, SDP, SPP

 QDID: 185918

 Bluetooth Low Energy Profiles available

 ANS1.0, BAS1.0, CSCS1.0, DIS1.0, FMP1.0, GAPS1.0, GATT1.0, HTS1.0, HRS1.0, HIDS1.0, IAS1.0, LLS1.0, PASS1.0, PXP1.0, TPS1.0

 QDID: 185918

 Large variety of sample applications

 Bluetooth Classic sample applications include: A3DP Sink/Source, HFP, HID, HSP, MAP, PBAP, SPP application demos.

 BLE sample applications include: ANP, iBeacon, HRP, HTP, PASP, HOGP, PXP, FMP, CSCP application demos.

 Bluetooth Classic + Bluetooth Low Energy sample applications include: SPP+SPPLE, SPP DMMulti application demos

 MFi Support

 iAP Protocol (iAP 1/iAP 2) provided as an add-on upon request

 Operating conditions

 Single power supply: 2.4V to 3.6V

 Operating temperature range: –40°C to 85°C

 Antenna: Integrated PCB trace antenna

 Package

 12 mm x 22 mm x 2.1 mm

 LCC-29

 Certification (In-progress)

 Bluetooth DID: D058373

 FCC ID: 2ABRU-BDM209B

 IC: 25657-BDM209B

 CE-RED