MAX32555

PRODUCTION

DeepCover Secure Arm Cortex-M3 Flash Microcontroller

Industry's First Secure SoC Microcontroller for mPOS with Secure Boot Loader with PKA

Data Sheet (Rev. 5) Product Selection Table
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Overview

  • Arm® Cortex® M3 Processor Core Allows for Easy Integration into Applications
    • 60MHz Core Operating Frequency Through PLL
    • 512KB Dual-Bank Flash Memory with Cache
    • 96KB System SRAM
    • 1KB AES Self-Encrypted NVSRAM
  • Security Features Facilitate System-Level Protection
    • Secure Boot Loader with Public Key Authentication
    • AES, DES and SHA Hardware Accelerators
    • Modulo Arithmetic Hardware Accelerator (MAA) Supporting RSA, DSA, and ECDSA
    • 8-Line Secure Keypad Controller
    • Hardware True Random-Number Generator
    • Die Shield with Dynamic Fault Detection
    • 4 External Tamper Sensors with Independent Random Dynamic Patterns
    • 256-Bit Flip-Flop-Based Battery-Backup AES Key Storage
    • Temperature and Voltage Tamper Monitor
    • Real-Time Clock
  • Integrated Peripherals Reduce External Component Count
    • Triple-Track Magnetic Stripe Head Interface
    • One ISO 7816 Smart Card Interface with Integrated Transceiver (1.8V, 3V, and 5V)
    • USB 2.0 Device with Internal Transceiver and Dedicated PLL
    • 3 SPI Ports, 3 UART Ports, and 1 I²C Controller
    • 8 Timers, All with PWM Capability
    • Up to 70 General-Purpose I/O Pins
    • 6-Channel, 10-Bit ADC and 1-Channel, 8-Bit DAC
    • Monochrome LCD Controller
    • 4-Channel DMA Controller
  • Power Management Optimizes Battery Life and Reduces Active Power Consumption
    • Single 3.3V Supply Operation*
    • Integrated Battery-Backup Switch
    • Clock Gating Function
    • Low-Current Battery-Backup Operation

DeepCover® embedded security solutions cloak sensitive data under multiple layers of advanced physical security to provide the most secure key storage possible.

The DeepCover Secure microcontroller (MAX32555) provides an interoperable, secure, and cost-effective solution to build new generations of trusted devices such as mobile chip and pin pads. The MAX32555 is based on an Arm Cortex M3 processor with 512KB of embedded flash, 96KB of system RAM, 1KB of battery-backed AES self-encrypted NVSRAM. It includes all the essential functions of mobile POS terminal including a cryptographic engine, a true random number generator, battery-backed RTC, environmental and tamper detection circuitry, a magnetic stripe reader, a smart card controller with embedded transceiver to directly support 1.8V, 3.3V, and 5V cards, and an integrated secure keypad controller. It also includes a vast array of peripherals, SPIs, UARTs, DMA, ADC, and DAC that add flexibility to control and differentiate the system design.

Applications

  • ATM Keyboards
  • EMV Card Reader
  • PCI Mobile Payment Terminals (mPOS)
MAX32555
DeepCover Secure Arm Cortex-M3 Flash Microcontroller
MAX32555: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Microcontrollers 1
MAX32550
PRODUCTION DeepCover Secure Arm Cortex-M3 Flash Microcontroller
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Evaluation Kits

MAX32555-KIT

Evaluation Kit for for DeepCover Secure Cortex-M3 Flash Microcontroller MAX32555

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Features and Benefits

  • Easily Load and Debug Code Using Supplied JTAG Adapter
  • JTAG Interface Provides In-Application Debugging Features
    • Step-by-Step Execution Tracing
    • Breakpointing by Code Address, Data Memory Address, or Register Access
    • Data Memory or Register Content View and Edit
  • On-Board 3.3V and 5.25V Voltage Regulators
  • ON/OFF Switch
  • Two Smart Card Sockets (One Full-Size Socket and One SIM Socket) for Prototyping IC Card Applications
  • All the GPIOs Ports Are Accessible via 0.1in Headers
  • 3-Track Magnetic Card Reader
  • Level-Shifted RS-232 Transceiver (MAX3232) Included for Serial Port
  • User-Input Pushbutton Switches, 4x4 Keypad Matrix, and Indicator LEDs (Connected to GPIO)
  • Self-Destruct Inputs Available on Headers for Connecting to External Trigger Circuits
  • On-Board Battery for Memory Backup and Real-Time Clock Operation
  • Micro-USB Type-B Connector

Product Details

The DeepCover® Secure Cortex®-M3 Flash Microcontroller evaluation kit (EV kit) provides a proven platform for conveniently evaluating the capabilities of the MAX32555 high-security microcontroller. The EV kit includes a MAX32555 EV kit board, example software, documentation, and a SEGGER J-Link LTE JTAG. The EV kit board includes SIM and SAM smart card sockets, a 3-track magnetic card reader (MCR), OLED mono color display, pin headers providing access to the processor’s I/O port pins, push-button keypad matrix, two DB9 female serial connectors, and a Micro-USB type-B connector. The EV kit provides a complete, functional system ideal for developing and debugging applications as well as evaluating the overall capabilities of the MAX32555 microcontroller.

Applications

  • ATM Keyboards
  • EMV Card Reader
  • PCI Mobile Payment Terminals (mPOS)
MAX32555-KIT
Evaluation Kit for for DeepCover Secure Cortex-M3 Flash Microcontroller MAX32555

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