Maxim’s MAXQ1010 is a small, low-power secure microcontroller designed for security token applications and battery-powered applications where power and security are both critically important.
The microcontroller family contains a 32 KB, 64 KB or 128 KB programmable Flash memory that can be used for both application code and data storage. Each 512-Byte Flash memory page supports 20 000 erase cycles and is programmable 16 bits at a time. This allows for unique schemes to extend the lifetime of the Flash. For instance, dedicating four Flash pages to store 32 Bytes of data that changes very often, the effective number of write cycles can approach 1,2 million (4 x 512 x 20 000/32). The device also contains 1 KB or 2 KB SRAM. An additional 128 Byte secure key storage SRAM is instantly erased when a self-destruct input is triggered.
The microcontroller also contains a hardware DES engine and an AES accelerator, allowing applications to quickly respond to challenges and authenticate other devices using standards-based cryptography. A true hardware random number generator (RNG) is available for general application use, such as key generation, challenge generation and random padding. Firmware and reference designs are available from Maxim for authentication applications.
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