MAX32550

DeepCover Secure Cortex-M3 Flash Microcontroller

Industry's First Secure Cortex-M3 Flash Microcontroller with Secure Boot Loader with PKA


Description

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 (MAX32550) provides an interoperable, secure, and cost-effective solution to build new generations of trusted devices such as mobile chip and pin pads. The MAX32550 is based on a Cortex M3 processor with 1MB of embedded flash, 256KB of system RAM, 8KB 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 provides a seamless interface to TFT displays and includes a vast array of peripherals, SPIs, UARTs, DMA, ADC, and DAC that add flexibility to control and differentiate the system design.

MAX32550: Functional Diagram MAX32550: Functional Diagram Enlarge+

Key Features

  • ARM® Cortex® M3 Processor Core Allows for Easy Integration into Applications
    • 108MHz Core Operating Frequency Through PLL
    • 1MB Dual-Bank Flash Memory with Cache
    • 256KB System SRAM
    • 8KB 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
    • 6 External Tamper Sensors with IndependentRandom Dynamic Patterns
    • 256-Bit Flip-Flop-Based Battery-Backup AES KeyStorage
    • 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 IntegratedTransceiver (1.8V, 3V, and 5V)
    • USB 2.0 Device with Internal Transceiver andDedicated PLL
    • 3 SPI Ports, 2 UART Ports, and 1 I2C Controller
    • 6 Timers, 4 with PWM Capability
    • Up to 70 General-Purpose I/O Pins
    • 2-Channel, 10-Bit ADC and 1-Channel, 8-Bit DAC
    • Color/Monochrome LCD TFT 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

Applications/Uses

  • ATM Keyboards
  • EMV Card Reader
  • PCI Mobile Payment Terminals (mPOS)
Part Number MCU Core Core Clock Speed
(MHz)
Internal Flash
(KBytes)
Internal SRAM
(KBytes)
USARTs SPI Bus I2C Bus USB GPIO Pins PWM Timer Features Package/Pins
max max
MAX32550  ARM Cortex-M3 108 1000 256 2 3 1 Master/Slave
1 x 2.0 FS Device
Device Including Transceiver
70 4 Watchdog
CTBGA/121
See All Microcontrollers (46)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


MPOS-STD2-KIT: MPOS-STD2: Turnkey PCI-PTS Mobile POS (MPOS) Terminal
MPOS-STD2-PRO: MPOS-STD2: Turnkey PCI-PTS Mobile POS (MPOS) Terminal
MPOS-STD2-REF: MPOS-STD2: Turnkey PCI-PTS Mobile POS (MPOS) Terminal

Technical Documents

App Note 6064 MAX32550 Current Measurement Breakdown of Peripherals

Quality and Environmental Data

Product Reliability Reports: MAX32550.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

Related Resources


MAXQ1061
DeepCover Cryptographic Controller for Embedded Devices

  • Advanced Cryptographic Tool Box Seamlessly Supports Highly Secure Key Storage
  • High-Level Functions Simplify SSL/TLS/DTLS Implementations
  • Extensive Host/System Services Increase Flexibility and Reduce System Cost

MAX32625
Ultra-Low Power, High-Performance ARM Cortex-M4F Microcontroller for Wearables

  • High-Efficiency Microcontroller for Wearable Devices
  • Power Management Maximizes Uptime for Battery Applications
  • Optimal Peripheral Mix Provides Platform Scalability

MAX32626
Ultra-Low Power, High-Performance ARM Cortex-M4F Microcontroller for Wearables

  • High-Efficiency Microcontroller for Wearable Devices
  • Power Management Maximizes Uptime for Battery Applications
  • Optimal Peripheral Mix Provides Platform Scalability

MAX32560
DeepCover Secure Cortex-M3 Flash Microcontroller