{"id":944,"date":"2025-04-25T21:15:17","date_gmt":"2025-04-25T13:15:17","guid":{"rendered":"https:\/\/www.flywing-tech.com\/blog\/microchip-fortifies-64-bit-mpus-for-post-quantum-security\/"},"modified":"2025-04-29T11:00:23","modified_gmt":"2025-04-29T03:00:23","slug":"microchip-fortifies-64-bit-mpus-for-post-quantum-security","status":"publish","type":"post","link":"https:\/\/www.flywing-tech.com\/blog\/microchip-fortifies-64-bit-mpus-for-post-quantum-security\/","title":{"rendered":"Why Microchip&#8217;s 64-bit MPUs Are Essential for Post-Quantum Security"},"content":{"rendered":"<div class=\"fsc_text\"><p class=\"\" data-start=\"128\" data-end=\"247\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Microchip&#8217;s latest 64-bit microprocessor units (MPUs) are engineered to fortify systems against the impending threats posed by quantum computing.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">These MPUs integrate advanced security features, including post-quantum cryptography, to ensure data integrity and confidentiality in mission-critical applications.<\/span>\u200b<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\r\n<div class=\"ez-toc-title-container\">\r\n<h2 class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/h2>\r\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #023a85;color:#023a85\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #023a85;color:#023a85\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\r\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.flywing-tech.com\/blog\/microchip-fortifies-64-bit-mpus-for-post-quantum-security\/#how_do_microchips_64-bit_mpus_address_post-quantum_security\" >How Do Microchip&#8217;s 64-bit MPUs Address Post-Quantum Security?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.flywing-tech.com\/blog\/microchip-fortifies-64-bit-mpus-for-post-quantum-security\/#what_are_the_key_features_of_microchips_64-bit_mpus\" >What Are the Key Features of Microchip&#8217;s 64-bit MPUs?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.flywing-tech.com\/blog\/microchip-fortifies-64-bit-mpus-for-post-quantum-security\/#which_industries_benefit_from_microchips_64-bit_mpus\" >Which Industries Benefit from Microchip&#8217;s 64-bit MPUs?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.flywing-tech.com\/blog\/microchip-fortifies-64-bit-mpus-for-post-quantum-security\/#why_is_post-quantum_security_crucial_for_future_systems\" >Why Is Post-Quantum Security Crucial for Future Systems?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.flywing-tech.com\/blog\/microchip-fortifies-64-bit-mpus-for-post-quantum-security\/#how_do_microchips_64-bit_mpus_enhance_system_reliability\" >How Do Microchip&#8217;s 64-bit MPUs Enhance System Reliability?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.flywing-tech.com\/blog\/microchip-fortifies-64-bit-mpus-for-post-quantum-security\/#buying_tips_for_microchips_64-bit_mpus\" >Buying Tips for Microchip&#8217;s 64-bit MPUs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.flywing-tech.com\/blog\/microchip-fortifies-64-bit-mpus-for-post-quantum-security\/#electronic_components_expert_views\" >Electronic Components Expert Views<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.flywing-tech.com\/blog\/microchip-fortifies-64-bit-mpus-for-post-quantum-security\/#faq\" >FAQ<\/a><\/li><\/ul><\/nav><\/div>\r\n<h2 class=\"\" data-start=\"249\" data-end=\"313\"><span class=\"ez-toc-section\" id=\"how_do_microchips_64-bit_mpus_address_post-quantum_security\"><\/span>How Do Microchip&#8217;s 64-bit MPUs Address Post-Quantum Security?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"315\" data-end=\"434\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Microchip&#8217;s 64-bit MPUs incorporate post-quantum cryptographic algorithms, such as NIST-standardized FIPS 203 (ML-KEM) and FIPS 204 (ML-DSA), to safeguard systems against potential quantum computing threats.<\/span><\/p>\n<h2 class=\"\" data-start=\"436\" data-end=\"492\"><span class=\"ez-toc-section\" id=\"what_are_the_key_features_of_microchips_64-bit_mpus\"><\/span>What Are the Key Features of Microchip&#8217;s 64-bit MPUs?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"494\" data-end=\"653\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The 64-bit MPUs offer features like multi-core processing, advanced AI\/ML capabilities, and integrated Time-Sensitive Networking (TSN) Ethernet connectivity.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">These features enhance performance and reliability in complex applications.<\/span> \u200b<\/p>\n<h2 class=\"\" data-start=\"655\" data-end=\"712\"><span class=\"ez-toc-section\" id=\"which_industries_benefit_from_microchips_64-bit_mpus\"><\/span>Which Industries Benefit from Microchip&#8217;s 64-bit MPUs?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"714\" data-end=\"839\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Industries such as aerospace, defense, automotive, and industrial sectors benefit from these MPUs, as they require high-performance computing with robust security measures.<\/span> \u200b<\/p>\n<h2 class=\"\" data-start=\"841\" data-end=\"900\"><span class=\"ez-toc-section\" id=\"why_is_post-quantum_security_crucial_for_future_systems\"><\/span>Why Is Post-Quantum Security Crucial for Future Systems?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"902\" data-end=\"1067\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">As quantum computing evolves, traditional encryption methods may become vulnerable.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Implementing post-quantum security ensures that systems remain secure against future computational advancements.<\/span> \u200b<\/p>\n<h2 class=\"\" data-start=\"1069\" data-end=\"1130\"><span class=\"ez-toc-section\" id=\"how_do_microchips_64-bit_mpus_enhance_system_reliability\"><\/span>How Do Microchip&#8217;s 64-bit MPUs Enhance System Reliability?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"1132\" data-end=\"1257\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">These MPUs feature a dedicated system controller for runtime monitoring and fault management, along with WorldGuard architecture for workload isolation, ensuring system resilience.<\/span> \u200b<\/p>\n<h2 class=\"\" data-start=\"1259\" data-end=\"1301\"><span class=\"ez-toc-section\" id=\"buying_tips_for_microchips_64-bit_mpus\"><\/span>Buying Tips for Microchip&#8217;s 64-bit MPUs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"1303\" data-end=\"1367\">When purchasing Microchip&#8217;s 64-bit MPUs, consider the following:<\/p>\n<ul data-start=\"1369\" data-end=\"1730\">\n<li class=\"\" data-start=\"1369\" data-end=\"1457\">\n<p class=\"\" data-start=\"1371\" data-end=\"1457\"><strong data-start=\"1371\" data-end=\"1388\">Compatibility<\/strong>: Ensure the MPU meets the specific requirements of your application.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1459\" data-end=\"1546\">\n<p class=\"\" data-start=\"1461\" data-end=\"1546\"><strong data-start=\"1461\" data-end=\"1482\">Security Features<\/strong>: Verify the inclusion of post-quantum cryptographic algorithms.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1548\" data-end=\"1645\">\n<p class=\"\" data-start=\"1550\" data-end=\"1645\"><strong data-start=\"1550\" data-end=\"1580\">Performance Specifications<\/strong>: Check for multi-core processing capabilities and AI\/ML support.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1647\" data-end=\"1730\">\n<p class=\"\" data-start=\"1649\" data-end=\"1730\"><strong data-start=\"1649\" data-end=\"1676\">Industry Certifications<\/strong>: Confirm compliance with relevant industry standards.<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"1732\" data-end=\"1817\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Fly-Wing Technology (HK) Co., Limited offers a range of Microchip&#8217;s MPUs, providing competitive pricing and reliable sourcing solutions.<\/span>\u200b<\/p>\n<h2 class=\"\" data-start=\"1819\" data-end=\"1856\"><span class=\"ez-toc-section\" id=\"electronic_components_expert_views\"><\/span>Electronic Components Expert Views<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"1858\" data-end=\"2008\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">&#8220;Microchip&#8217;s 64-bit MPUs represent a significant advancement in securing systems against the evolving threats of quantum computing,&#8221;<\/span> says an industry expert. <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">&#8220;Their integration of post-quantum cryptography and advanced processing capabilities positions them as a critical component in future-proofing mission-critical applications.&#8221;<\/span>\u200b<\/p>\n<h2 class=\"\" data-start=\"2010\" data-end=\"2016\"><span class=\"ez-toc-section\" id=\"faq\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"2018\" data-end=\"2055\"><strong data-start=\"2018\" data-end=\"2055\">Q: What is post-quantum security?<\/strong><\/p>\n<p class=\"\" data-start=\"2057\" data-end=\"2145\">A: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Post-quantum security involves implementing cryptographic algorithms that are resistant to attacks from quantum computers.<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"2147\" data-end=\"2201\"><strong data-start=\"2147\" data-end=\"2201\">Q: Which industries require post-quantum security?<\/strong><\/p>\n<p class=\"\" data-start=\"2203\" data-end=\"2291\">A: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Industries like aerospace, defense, automotive, and industrial sectors require post-quantum security due to their reliance on secure data transmission and processing.<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"2293\" data-end=\"2351\"><strong data-start=\"2293\" data-end=\"2351\">Q: How do Microchip&#8217;s MPUs enhance system performance?<\/strong><\/p>\n<p class=\"\" data-start=\"2353\" data-end=\"2441\">A: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Microchip&#8217;s MPUs enhance system performance through multi-core processing, advanced AI\/ML capabilities, and integrated TSN Ethernet connectivity.<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"2443\" data-end=\"2509\"><strong data-start=\"2443\" data-end=\"2509\">Q: Why is it important to implement post-quantum security now?<\/strong><\/p>\n<p class=\"\" data-start=\"2511\" data-end=\"2599\">A: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Implementing post-quantum security now ensures that systems remain secure against future threats posed by quantum computing advancements.<\/span><\/p>\n<p style=\"text-align: start;\"><strong>Microchip tapped SiFive&#8217;s RISC-V CPUs for its new mission-critical processors.<\/strong><\/p>\n<p><span style=\"color: #000000; background-color: #ffffff; font-size: 14px;\">Microchip Technology has unveiled the PIC64HX1000 series, a new line of quantum-resistant 64-bit RISC-V processors engineered to tackle the evolving demands of artificial intelligence, real-time computation, and quantum-resistant cybersecurity.<\/span><\/p>\n<p><img decoding=\"async\" style=\"width: 100%;\" src=\"https:\/\/file.flywing-tech.com\/res\/article\/2024110614395539551ce1af3eea20e062888aca17d259b310f109b.png\" alt=\"\" data-href=\"\" \/><\/p>\n<p style=\"text-align: center;\"><em>The PIC64HX1000 series<\/em><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: start;\">The rapid evolution of computing architecture has entered a new phase, with industries facing unprecedented security challenges and computational demands. Traditional processor designs, while powerful, struggle to meet the security requirements in mission-critical sectors such as aerospace, defense, and automotive, where any computational vulnerability could have severe consequences. Meanwhile, the looming threat of quantum computing has pushed manufacturers to fundamentally rethink their security approaches, as current encryption methods may become obsolete in the coming decades.<\/p>\n<p style=\"text-align: start;\">To address these sensitive use cases, Microchip has optimized the PIC64HX1000 series&#8217; architecture for AI\/ML capabilities, real-time processing, and robust security features.<\/p>\n<p style=\"text-align: start;\"><strong>Microchip&#8217;s New Security-Focused RISC-V Processor<\/strong><\/p>\n<p><span style=\"color: #000000; background-color: #ffffff; font-size: 14px;\">The PIC64HX1000 integrates eight 64-bit SiFive X280 RISC-V CPU cores, capable of supporting vector extensions and operating up to 1 GHz to deliver 26K DMIPS scalar performance. The decoupled vector pipeline also enables 512-bit vector operations, resulting in up to 1 TFLOP processing power for AI\/ML workloads. The supporting memory architecture includes dual DDR4-3200 interfaces with up to 32 GB per interface and ECC for fault-tolerant data integrity.<\/span><\/p>\n<p><span style=\"color: #000000; background-color: #ffffff; font-size: 14px;\"> \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span><img decoding=\"async\" style=\"width: 50%;\" src=\"https:\/\/file.flywing-tech.com\/res\/article\/202411061441524152cac796645e0f7fad2a960d169a05d9940726e.png\" alt=\"\" data-href=\"\" \/><\/p>\n<p style=\"text-align: center;\"><em>PIC64HX1000 family block diagram<\/em><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000; background-color: #ffffff; font-size: 14px;\">The PIC64HX1000 notably features a dedicated system controller with a 64-bit SiFive S7 core operating at 500 MHz. This controller handles mission-critical tasks such as runtime monitoring and fault management. Meanwhile, the integrated WorldGuard architecture provides spatial partitioning across cores, cache, memory, and interconnect, supporting up to 32 domains for workload isolation. Post-quantum cryptography, anti-tamper mechanisms, and a secure enclave for secure boot and platform integrity enhance defense-grade security.<\/span><\/p>\n<p style=\"text-align: start;\"><strong>The MPUs Leverage SiFive&#8217;s X280 RISC-V CPU<\/strong><\/p>\n<p><span style=\"color: #000000; background-color: #ffffff; font-size: 14px;\">Central to the PIC64HX1000 series is the SiFive Intelligence X280 processor, a 64-bit RISC-V vector processor optimized for AI and ML workloads. This processor features a scalable multi-core and multi-cluster design with up to eight cores. Architecturally, the design integrates an eight-stage dual-issue scalar pipeline with a decoupled vector ALU pipeline. Its RISC-V, 512-bit vector length (VLEN) vector supports dynamic variable vector length operations, while the 256-bit-wide vector ALU and load\/store architecture enable efficient data processing. The system\u2019s architecture also includes a shared memory subsystem with a scalable L3 coherent cache of up to 8 MB.<\/span><\/p>\n<p><img decoding=\"async\" style=\"width: 100%;\" src=\"https:\/\/file.flywing-tech.com\/res\/article\/20241106144604464ff8a69dd1a374797f3f791b8863870205fd0e.png\" alt=\"\" data-href=\"\" \/><\/p>\n<p style=\"text-align: center;\"><em>The X280 series multi-cluster core complex<\/em><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: start;\">Microchip enhanced the X280&#8217;s AI\/ML performance using SiFive&#8217;s Intelligence Extensions, which enable the processor to achieve up to 2.25 TFLOPs (bfloat16 MatMul) or 4.6 TOPS (INT8 MatMul). These custom extensions are tightly integrated with the RISC-V vector extension to accelerate machine learning inference. The vector pipeline supports data types like FP64, FP32, and INT8, making it versatile for various workloads. Additionally, the X280 supports vector length multipliers (LMUL) up to 8x, allowing vector operations with lengths up to 4096 bits.<\/p>\n<p style=\"text-align: start;\">For flexibility, the X280 offers multiple data ports, including 256-bit memory ports and 64-bit system ports. A decoupled scalar and vector pipeline offers parallel execution, and the design supports virtual memory with up to 48-bit addressing.<\/p>\n<p style=\"text-align: start;\"><strong>The Intersection of HPC and Security<\/strong><\/p>\n<p><span style=\"color: #000000; background-color: #ffffff; font-size: 14px;\">The PIC64HX1000 series arrives at an intersection of market demands, where post-quantum security meets the need for high-performance computing in mission-critical applications. Integrating post-quantum cryptography into a high-performance RISC-V platform makes the PIC64HX1000 series a solid option for future-proof designs before quantum computers become a reality\u2014and potentially a threat.<\/span><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Microchip&#8217;s latest 64-bit microprocessor units (MPUs) are engineered to fortify systems against the impending threats posed by quantum computing. These MPUs integrate advanced security features, including post-quantum cryptography, to ensure data integrity and confidentiality in mission-critical applications.\u200b How Do Microchip&#8217;s 64-bit MPUs Address Post-Quantum Security? Microchip&#8217;s 64-bit MPUs incorporate post-quantum cryptographic algorithms, such as NIST-standardized [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-944","post","type-post","status-publish","format-standard","hentry","category-info"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>Why Microchip&#039;s 64-bit MPUs Are Essential for Post-Quantum Security - Fly-Wing<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/www.flywing-tech.com\/blog\/microchip-fortifies-64-bit-mpus-for-post-quantum-security\/\" \/>\r\n<meta property=\"og:locale\" content=\"en_US\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Why Microchip&#039;s 64-bit MPUs Are Essential for Post-Quantum Security - Fly-Wing\" \/>\r\n<meta property=\"og:description\" content=\"Microchip&#8217;s latest 64-bit microprocessor units (MPUs) are engineered to fortify systems against the impending threats posed by quantum computing. These MPUs integrate advanced security features, including post-quantum cryptography, to ensure data integrity and confidentiality in mission-critical applications.\u200b How Do Microchip&#8217;s 64-bit MPUs Address Post-Quantum Security? 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