STMicroelectronics

ST33HTPH2032AAF3

ST33HTPH2032AAF3 Description

The ST33HTPH2032AAF3 from STMicroelectronics is a 32-bit secure microcontroller based on the ARM® SecurCore® SC300 processor, designed for high-security applications. It features FLASH program memory and operates at 1.8V or 3.3V, making it versatile for embedded systems. Packaged in a 32VFQFPN surface-mount format, it is optimized for Trusted Platform Module (TPM) implementations. Although marked as Not For New Designs, it remains a robust solution for legacy systems requiring secure authentication and cryptographic functions. Its SPI interface ensures efficient communication with host systems, while compliance with ROHS3 and REACH standards underscores its environmental reliability.

ST33HTPH2032AAF3 Features

• SecureCore Architecture: Built around the ARM® SecurCore® SC300, providing hardened security against physical and logical attacks.
• Dual Voltage Support: Operates at 1.8V or 3.3V, enhancing compatibility with diverse systems.
• SPI Interface: Enables high-speed, reliable data transfer for secure transactions.
• TPM-Optimized: Tailored for Trusted Platform Module applications, ensuring secure boot, encryption, and key storage.
• Industrial Compliance: ROHS3 and REACH compliant, meeting stringent environmental and safety standards.
• Surface-Mount Design: 32VFQFPN package ensures compact integration into space-constrained PCB layouts.

ST33HTPH2032AAF3 Applications

This microcontroller excels in high-security embedded systems, including:

• Hardware Security Modules (HSMs): Protects cryptographic keys and sensitive data.
• Secure Authentication Devices: Used in banking, IoT, and government applications.
• TPM for PCs/Servers: Ensures secure boot processes and firmware integrity.
• Industrial Control Systems: Safeguards critical infrastructure against cyber threats.

Conclusion of ST33HTPH2032AAF3

The ST33HTPH2032AAF3 is a specialized, security-focused MCU ideal for legacy systems requiring TPM functionality and robust cryptographic capabilities. Its ARM SecurCore architecture, dual-voltage operation, and SPI interface make it a reliable choice for secure authentication and data protection. While not recommended for new designs, it remains a proven solution for applications demanding uncompromising security.