The ST31 secure microcontroller family is the platform for highly-secure applications including banking, identification, pay TV, and transport.
With the ARM® SecurCore® SC000 processor and an architecture optimized for contactless performances, the ST31 offers a broad portfolio including MIFARE Plus® and MIFARE® DESFire® libraries, multiple interfaces, and certified cryptographic libraries.
The platform addresses the highest security certifications including Common Criteria up to EAL6+, EMVCo, and CUP.

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ST31P450
ST31 Dual interface, Flash secure microcontroller with enhanced security
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MR31ZD40
ST31 Dual Interface Secure Microcontroller, Nescrypt cryptoprocessor and MIFARE™
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ST31P320
ST31 Dual interface, Flash secure microcontroller with enhanced security
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ST31G480
ST31 Dual Interface, Flash Secure Microcontroller
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ST31G256
ST31 Dual Interface, Flash Secure Microcontroller
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ST31H256
ST31 Contact, Flash Secure Microcontroller
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SC31Z052
ST31 Contact Secure Microcontroller
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SR31ZD16
ST31 Dual Interface Secure Microcontroller
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SR31ZD40
ST31 Dual Interface Secure Microcontroller
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ST31H320
ST31 Contact, Flash Secure Microcontroller
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SR31ZD22
ST31 Dual Interface Secure Microcontroller
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ST31G384
ST31 Dual Interface, Flash Secure Microcontroller
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SR31ZD38
ST31 Dual Interface Secure Microcontroller
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ST31G320
ST31 Dual Interface, Flash Secure Microcontroller
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MR31ZD16
ST31 Dual Interface Secure Microcontroller with MIFARE®
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MR31ZD22
ST31 Dual Interface Secure Microcontroller with MIFARE®
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MR31ZD38
ST31 Dual Interface Secure Microcontroller, Nescrypt cryptoprocessor and MIFARE®
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SR31Z052
ST31 Dual Interface Secure Microcontroller
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MR31Z052
ST31 Dual Interface Secure Microcontroller with MIFARE®
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ST31H128
ST31 Contact, Flash Secure Microcontroller
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SC31ZD16
ST31 Contact Secure Microcontroller
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ST31H192
ST31 Contact, Flash Secure Microcontroller
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SC31ZD22
ST31 Contact Secure Microcontroller
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SC31ZD38
ST31 Contact Secure Microcontroller