MAX32558 Secure Microcontroller with Advanced Cryptography

As electronic products become smaller and more connected to the network, sensitive information and user privacy are increasingly threatened, making manufacturers need to consider security issues first when designing devices. While designers need to protect against device-level vulnerabilities, they always need to make a trade-off between smaller board space and higher security, while balancing design complexity and time-to-market goals.

The latest MAX32558 flash-secure microcontroller successfully overcomes these challenges, delivering strong security in a small package, simplifying design integration, and accelerating time-to-market. The device integrates multiple security features in a small package, including key storage, secure bootloader, active tamper detection, and a secure cryptographic engine. The device also supports multiple communication channels such as USB, Serial Peripheral Interface (SPI), Universal Asynchronous Receiver Receiver (UART), and I2C, making it ideal for a wide range of applications. With its long-term reputation and experience in the field of payment terminal certification, as well as comprehensive support and technology, Maxim can help customers simplify the certification process and shorten the cycle to 6 months (instead of the standard 12 to 18 months).

main advantage

Reliable security:

• Provides the highest security level of key storage to protect sensitive data
• Provides secure bootloader, active tamper detection and secure cryptographic engine
• Comply with the US Federal Information Processing Standard (FIPS) 140-2 L3&4 certification

Highly integrated solution, small package size

• Compared to secure authenticators, the MAX32558 offers 30 times the number of general-purpose input/outputs (GPIOs) in a wafer-level package (WLP) with the same PCB footprint (4.34mm x 4.34mm). The closest competitor offers a functionally similar device but in a larger package size (8mm x 9mm, Ball Grid Array 121, BGA121)
• Meets Point-of-Sale Payment Card Industry (PCI) PIN Transaction Security (PTS) requirements by embedding numerous security features to effectively reduce footprint while providing multiple analog interfaces

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