ABRIDGED DATA SHEET
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MAX32570
Low-Power Arm Cortex-M4 Microcontroller
with Contactless Radio for Secure Applications
General Description
Benefits and Features
● High-Efficiency Microcontroller for Secure Battery
Powered Applications
®
The MAX32570 DeepCover secure microcontroller pro-
vides an interoperable, secure, and cost-effective solution
to build new generations of trusted devices. It can be used
in single-chip applications such as pinpads, mobile POS
(MPOS), and secure card reader for PIN (SCRP), but al-
so in dual-chip applications such as countertop and tablet
POS. It includes all the essential functions to address
those applications including a multi-protocol RF contact-
less controller and radio front-end, a dual smart card con-
troller, a parallel camera inteface, a magnetic stripe read-
er, a TFT controller, and a secure keypad controller.
• Arm Cortex-M4 Processor with FPU up to 150MHz
• 150MHz and 75MHz Internal Oscillators
• Low-Power 7.37MHz System Clock Option
• 1MB Flash, Organized into Dual Banks 2 x 512KB
• 760KB (608KB ECC) SRAM
• Optional Error Correction Code (ECC-SEC-DED)
for Cache, SRAM, and Internal Flash
• 1KB AES Encrypted NVSRAM, 16KB Internal OTP
● Scalable Cached External Memory Interfaces
• QSPI Flash with AES-GCM and XiP
The MAX32570 operates at 150MHz and is based on an
®
®
Arm Cortex -M4 with FPU processor with 1MB flash,
760KB SRAM, 4KB OTP, 1KB of battery-backed AES self-
encrypted nonvolatile SRAM (NVSRAM) and a 256-bit flip-
flop based battery-backed key storage. The flash mem-
ory is split into 2 banks of 512KB to provide flexibility
when programming over-the-air. Error correction coding
(ECC) (single error correction double error detection) for
flash and SRAM provides extremely reliable code execu-
tion. The device embeds both secure public and private
key cryptographic algorithms and a true random number
generator (TRNG) compliant with SP-800-90A and
SP-800-90B standards. It also features a number of secu-
rity protections and detectors to enforce system integrity
including a dynamic sensor controller, environmental sen-
sors, and fault detectors.
• QSPI SRAM with AES-GCM and XiP
• 150Mbps SDHC/eMMC/SDIO/microSD Interface
● Security Features Facilitates System-Level Protection
• ISO 14443A/B, JIS X 6319-4, ISO 15693
Contactless Reader with Internal Transceiver
• Secure Boot Loader with Public Key Authentication
• Hardware AES, DES, ECDSA and SHA-2 engines
• 10-Line Secure Keypad Controller*
• TRNG (SP-800-90A and SP-800-90B)
• 6 External Dynamic Tamper Sensors
• Die Shield with Dynamic Random Signal
• 1x 256-Bit and 2x 128-Bit Flip-Flop-Based AES Key
Storage
• Temperature and Voltage Tamper Monitor
• Fault Detectors
The device features five flexible power modes. Multiple
● Optimal Peripheral Mix Provides Platform Scalability
• 16-Channel DMA
2
SPI, UART, and I C serial interfaces, as well as a QSPI,
®
1-Wire master, a USB 2.0 High-Speed device, and an
• One QSPI/SPI Master
optional 10/100 Ethernet MAC, allow for greater connec-
tivity. Some device package variants offer flexible off-chip
memory expansion that supports SD/SDHC, SDIO/eMMC
cards, QSPI flash, and SRAM memories with eXecute In
Place (XIP), encryption, and authentication. The device is
available in a number of package variants, ranging from
BGA-81 to BGA-169, 0.65mm pitch packages.
• Up to Three SPI Master (37.5MHz)/Slave (75MHz)
• Up to Six 4MBd UARTs with Flow Control
• Up to Two ISO 7816 UART/Smart Card Controller
• Up to Three 1MHz I C Master/Slave
• Up to Three Channels 7.8ksps 10-Bit Sigma-Delta
ADC
• USB 2.0 High-Speed Device Interface with PHY
• 10/100 Ethernet MAC with RMII/MII Support
• 24-Bit TFT LCD Controller
2
Applications
● Secure Card Reader for PIN (SCRP)
● PCI Mobile Payment Terminals (MPOS)
● Countertop and Tablet POS
● Contact/Contactless Pinpads
● ATM Keyboards
• 12-Bit Parallel Camera Interface
• Triple-Track Magnetic Stripe Head Interface
• Eight Pulse Train Generators
• Six 32-Bit Timers, Two HTimers
• 1-Wire Master, Two Watchdog Timers
• Real-Time Clock (RTC)
Ordering Information appears at end of data sheet.
Arm and Cortex are registered
trademarks of Arm Limited (or its
subsidiaries) in the US and/or
elsewhere.
DeepCover and 1-Wire are registered
trademarks of Maxim Integrated
Products, Inc.
19-100602; Rev 2; 9/20
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