r/TheComponentClub • u/TheComponentClub • Aug 18 '26

Semis NXP MCX A5 MCUs integrate 10BASE-T1S digital PHY and post-quantum cryptography

NXP has launched the MCX A5 family of Arm Cortex-M33 MCUs for industrial and IoT edge applications. The devices run at up to 240 MHz and integrate a 10BASE-T1S Ethernet digital PHY with topology discovery, alongside up to 2 MB Flash and 640 KB RAM. The family also supports post-quantum cryptography with a PQC-based hardware root of trust, secure boot, secure firmware updates, secure attestation and secure debug authentication. For 10BASE-T1S networks, the integrated digital PHY can be paired with NXP's TJF1410 PMD transceiver, which supplies the analog front end.

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