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“That includes the trade’s first MCU with Bluetooth Channel Sounding, NXP’s MCX W collection allows edge gadgets with safe multi-protocol wi-fi for Matter, Thread, Zigbee and Bluetooth Low Power,” based on the corporate, which defined: “Bluetooth Channel Sounding commonplace improves the accuracy and safety of distance measurement in comparison with conventional Bluetooth for functions similar to safe entry, asset monitoring and indoor way-finding.”
The primary MCX W households every have a pair of Arm Cortex-M33 processors – a 96MHz core for utility processing, and the second to run the radio (core velocity not yer revealed).
MCX W72x (block diagram above) is the channel sounding model, and has 512kbyte flash plus 170kbyte ram with the radio processor, whereas its utility processor will get 2Mbyte flash plus 256kbyte ram.
Channel sounding is processed in a devoted ‘localisation compute’ accelerator, and the reminiscence is adequate to help connectivity stacks, mentioned NXP, whereas the radio subsystem can run “the complete Thread or Zigbee stack alongside the Bluetooth Low Power stack”.
MCX W71x (left) has half the reminiscence and no channel sounding.
The corporate sees these in less complicated single-chip IoT gadgets, or as a wi-fi co-processor for a strong host in additional advanced merchandise.
In all of the gadgets introduced thus far, Bluetooth LE 5.x with 24 simultaneous {hardware} connections is supported, and obtain specs for the two.4GHz radio are 106dBm 125kbit/s, 102dBm 500kbit/s, 97.5dBm 1Mbit/s or 95dBm 2Mbit/s. Transmit is as much as +10dBm.
The M33 utility processor will get Arm’s TrustZone for securely separating a number of code blocks, and there may be an built-in root-of-trust.
“MCX W collection helps speed up compliance with upcoming cyber safety rules such because the US Cyber Belief Mark and European Cyber Resilience Act, and different safety requirements similar to IEC 62443, leveraging an built-in Core Profile EdgeLock Safe Enclave that protects delicate safety capabilities and natively helps EdgeLock 2go providers,” mentioned NXP. “It additionally consists of machine authentication, safe boot, and safe firmware set up and replace. It accelerates connectivity requirements’ cryptography with safe key set up and administration in untrusted manufacturing websites.”
As secured over-the-air-upgrade is supported, finish person tools could be upgraded “as shopper wants change and connectivity protocols like Matter proceed to evolve”, mentioned NXP.
Industrial functions
Potential industrial use is supported by operation over -40 to 125°C, interfaces similar to CAN-FD that includes within the collection, and NXP’s 15 12 months product longevity programme to which the components are topic.
Growth instruments are constructed across the MCUXpresso suite and can embrace wireless-certified boards, a debug probe and stacks for Matter, Thread, Zigbee and Bluetooth Low Power.
The MCX W collection will start sampling within the second half of this 12 months, beginning in a 7 x 7mm QFN48 bundle.
Preliminary product pages:
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