Aimed at manufacturers of mPOS terminals, ATM keyboards, EMV card readers, contact/contactless pin pads and other mobile payment devices, Maxim Integrated Products introduced the MAX32560 DeepCover secure microcontroller (MCU).
Designers of mobile payment devices currently have to use multiple external ICs for memory expansion, contactless interface and amplifier, ISO7816 PHY, magnetic stripe interface, and battery switch functions. With the new MAX32560 DeepCover secure ARM Cortex-M3 microcontroller, these functions have been integrated into a single chip, eliminating the need for up to six external chips.
The MAX32560 embeds all the security features required to address stringent PCI-PTS requirements, including active tamper protection, scrambling keypad for PIN handling, and a secure cryptographic engine. It integrates a number of analog interfaces to reduce the PCB footprint, including a full EMV contactless reader interface, two EMV smart card interfaces, a DSP-based high performance magnetic stripe reader, 2-channel ADC, and a DAC.
The MAX32560 offers 1 MB of embedded Flash memory, 384 KB of SRAM, and 8 KB of secure NVSRAM. The memory can be further expanded through external fast serial Flash memories via a flexible QuadSPI controller with XiP, and can quickly read and decrypt code or data using an on-the-fly AES engine. For communication interfaces, the MAX32560 provides a USB device port, three SPI controllers, two UARTs and two I²C controllers. It is available in a 9 x 9 mm BGA144 package and operates across the -40°C to +85°C temperature range.
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