MAX32660
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MAX32660

Tiny, Ultra-Low-Power Arm Cortex-M4 Processor with FPU-Based Microcontroller (MCU) with 256KB Flash and 96KB SRAM

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DARWIN Generation U MCUs Are Perfect for Engineers Who Are Serious About Power and Performance

Info : RECOMMENDED FOR NEW DESIGNS tooltip
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Part Details
Part Models 11
1ku List Price Starting From $1.29
Features
  • High-Efficiency Microcontroller for Wearable Devices
    • Internal Oscillator Operates Up to 96MHz
    • 256KB Flash Memory
    • 96KB SRAM, Optionally Preserved in Lowest Power Backup Mode
    • 16KB Instruction Cache
    • Memory Protection Unit (MPU)
    • Low 1.1V VCORE Supply Voltage
    • 3.6V GPIO Operating Range
    • Internal LDO Provides Operation from Single Supply
    • Wide Operating Temperature: -40°C to +105°C
  • Power Management Maximizes Uptime for Battery Applications
    • 85µA/MHz Active Executing from Flash
    • 2µA Full Memory Retention Power in Backup Mode at VDD = 1.8V
    • 450nA Ultra-Low Power RTC at VDD=1.8V
    • Internal 80kHz Ring Oscillator
  • Optimal Peripheral Mix Provides Platform Scalability
    • Up to 14 General-Purpose I/O Pins
    • Up to Two SPI
    • I2S
    • Up to Two UARTs
    • Up to Two I2C, 3.4Mbps High Speed
    • Four-Channel Standard DMA Controller
    • Three 32-Bit Timers
    • Watchdog Timer
    • CMOS-Level 32.768kHz RTC Output
Additional Details
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In the DARWIN family, the MAX32660 is an ultra-low-power, cost-effective, highly-integrated 32-bit microcontroller designed for battery-powered devices and wireless sensors. It combines a flexible and versatile power management unit with the powerful Arm® Cortex®-M4 processor with floating point unit (FPU) in the industry’s smallest form factor: 1.6mm x 1.6mm, 16-bump WLP or 4mm x 4mm, 20-pin TQFN-EP, or 3mm x 3mm, 24-pin TQFN-EP.

The MAX32660 enables designs with complex sensor processing without compromising battery life. It also offers legacy designs an easy and cost optimal upgrade path from 8- or 16-bit microcontrollers.

The device supports SPI, UART, and I2C communication while also integrating up to 256KB of flash memory and 96KB of RAM to accommodate application and sensor code. An optional bootloader through I2C, UART, or SPI is available.

OnDemand Webinar: What Can you Do with the World’s Smallest Arm® Cortex® M4 with FPU Microcontroller?

Applications

  • Fitness Monitors
  • Industrial Sensors
  • IoT
  • Optical Modules: QSFP-DD, QSFP, 400G
  • Portable Medical Devices
  • Sports Watches
  • Wearable Medical Patches
Part Models 11
1ku List Price Starting From $1.29

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Documentation

Documentation

Video

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 2

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MAXNANOPWRBD

Evaluation Kit for the MAX32660, MAX11615, MAX40007, MAX9119, MAX9634, MAX17222

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MAXNANOPWRBD

Evaluation Kit for the MAX32660, MAX11615, MAX40007, MAX9119, MAX9634, MAX17222

Evaluation Kit for the MAX32660, MAX11615, MAX40007, MAX9119, MAX9634, MAX17222

Features and Benefits

  • Ultra-Low Power MAX32660 Arm Cortex M4F
  • MAX11615 Low Power 8-Channel 12-Bit ADC
  • MAX40007 Nanopower Op-Amp
  • MAX9119 Nanopower Comparator
  • MAX9634 Current Sense Amplifier
  • MAX17222 Boost Convertor
  • PCB mounted Coin Cell Power Source

Product Detail

The MAXNANOPWRBD evaluation kit brings together Maxim’s Nanopower technology with the ultra-low power, low pin count, MAX32660 Arm® Cortex®-M4 processor with FPU to create a simple digital multimeter application example running on a single 1.5V alkaline button cell.

The kit includes the following items:

  • MAXNANOPWRBD# circuit board
  • MAX326325PICO JTAG debugger/programmer

Applications

  • Fitness Monitors
  • Industrial Sensors
  • IoT
  • Optical Modules: QSFP-DD, QSFP, 400G
  • Portable Medical Devices
  • Sports Watches
  • Wearable Medical Patches
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MAX32660-EVSYS

Evaluation System for the MAX32660

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MAX32660-EVSYS

Evaluation System for the MAX32660

Evaluation System for the MAX32660

Features and Benefits

  • MAX32660 Microcontroller
    • Arm Cortex-M4F, 96MHz
    • 256KB Flash Memory
    • 96KB SRAM
    • 16KB Instruction Cache
    • Two SPIs
    • Two I2Cs
    • Two UARTs
    • 14 GPIOs
  • DIP Breakout Board
    • 100mil Pitch Dual Inline Pin Headers
    • Breadboard Compatible
  • Integrated Peripherals
    • Red Indicator LED
    • User Pushbutton
  • MAX32625PICO-Based Debug Adapter
    • CMSIS-DAP SWD Debugger
    • Virtual UART Console

Product Detail

The MAX32660 evaluation system offers a compact development platform that provides access to all the features of the MAX32660 in a tiny, easy to use board. A MAX32625PICO-based debug adapter comes attached to the main board. It can be snapped free when programming is complete. The debug module supports an optional 10-pin Arm® Cortex® debug connector for DAPLink functionality. Combined measurements are 0.65in x 2.2in, while the main board alone measures 0.65in x 0.95in. External connections terminate in a dual-row header footprint compatible with both thru-hole and SMT applications. This board provides a powerful processing subsystem in a very small space that can be easily integrated into a variety of applications.

Applications

  • Fitness Monitors
  • Industrial Sensors
  • IoT
  • Optical Modules: QSFP-DD, QSFP, 400G
  • Portable Medical Devices
  • Sports Watches
  • Wearable Medical Patches
Reference Designs

Reference Designs 10

maxrefdes9007 board

Arm Cortex-M4 I/O Implemented 1-Wire Secure Authenticator Demo and Real Time Measurements

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MAXREFDES9007

Arm Cortex-M4 I/O Implemented 1-Wire Secure Authenticator Demo and Real Time Measurements

Arm Cortex-M4 I/O Implemented 1-Wire Secure Authenticator Demo and Real Time Measurements

Features and Benefits

  • ECC-256 Compute Engine
  • FIPS 186 ECDSA P256 Signature and Verification
  • ECDH Key Exchange with Authentication Prevents Man-in-the-Middle Attacks
  • ECDSA Authenticated R/W of Configurable Memory
  • SHA-256 Compute Engine
  • FIPS 180 MAC for Secure Download/Boot Operations
  • FIPS 198 HMAC for Bidirectional Authentication and Optional GPIO Control
  • Two GPIO Pins with Optional Authentication Control
  • Open-Drain, 4mA/0.4V
  • Optional SHA-256 or ECDSA Authenticated On/Off and State Read
  • Optional Set On/Off After Multiblock Hash for Secure Boot/Download
  • RNG with NIST SP 800-90B Compliant Entropy Source with Function to Read Out
  • Optional Chip-Generated Pr/Pu Key Pairs for ECC Operations
  • 17-Bit One-Time Settable, Nonvolatile Decrement-Only Counter with Authenticated Read
  • 8Kbits of EEPROM for User Data, Keys, and Certificates
  • Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)
  • Optional Input Data Component to Crypto and Key Operations
  • Single-Contact 1-Wire Interface Communication with Host at 11.7kbps and 62.5kbps
  • Operating Range: 3.3V ±10%, -40°C to +85°C
  • 6-Pin TDFN-EP Package (3mm x 3mm)
  • Accessory and Peripheral Secure Authentication
  • IoT Node Crypto-Protection
  • Secure Boot or Download of Firmware and/or System Parameters
  • Secure Storage of Cryptographic Keys for a Host Controller

Application

  • IoT Node Crypto-Protection
  • Accessory and Peripheral Secure Authentication
  • Secure Storage of Cryptographic Keys for a Host Controller
  • Secure Boot or Download of Firmware and/or System Parameters
View Detailed Reference Design external link
MAXREFDES1207 Block Diagram

Heart-Rate Monitor Wrist Band Using the MAX77651B

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MAXREFDES1207

Heart-Rate Monitor Wrist Band Using the MAX77651B

Heart-Rate Monitor Wrist Band Using the MAX77651B

Features and Benefits

Description

The MAXREFDES1207 is a reference design for wearable application based on a total Analog Devices solution which includes the MAX32660, MAX30112, MAX77651B, and MAX40005. This solution demonstrates how a small size, low cost, low power, high accuracy heart-rate (HR) monitor can be easily implemented. This design can monitor heart rate using two green LEDs.

The MAX30112 is an optimized pulse-oximeter and heartrate AFE for wearable health. It has a high-resolution, optical readout signal-processing channel with built-in ambient light cancellation as well as high-current LED driver DACs to form a complete optical readout signal chain. With external LED(s) and photodiode(s), the MAX30112 offers the lowest power, highest performance heart-rate detection solution for wrist applications. The MAX77651B provides highly-integrated battery charging and power supply solutions for low-power wearable applications where size and efficiency are critical. The device features a SIMO buckboost regulator that provides three independently programmable power rails from a single inductor to minimize total solution size. A highly configurable linear charger supports a wide range of Li+ battery capacities and includes battery temperature monitoring for additional safety (JEITA). The MAX32660 is an ultra-low-power, cost-effective, highly- integrated microcontroller unit (MCU) designed for battery- powered devices and wireless sensors. It combines a flexible and versatile power management unit with the powerful Arm® Cortex®-M4 with floating point unit (FPU). The MAX40005 is a tiny, single comparator which is ideal for a wide variety of portable electronics applications such as cell phones, media players, and notebooks that have extremely tight board space and power constraints. The design also contains an FTDI FT234 USB-to-serial UART interface.

View Detailed Reference Design external link

Design & Integration Tools

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2.83 M

maxrefdes9004 board

C-source Reference for Operating the DS2485 Combined with a DS28E18 from a Cortex-M4 Microcontroller

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MAXREFDES9004

C-source Reference for Operating the DS2485 Combined with a DS28E18 from a Cortex-M4 Microcontroller

C-source Reference for Operating the DS2485 Combined with a DS28E18 from a Cortex-M4 Microcontroller

Features and Benefits

  • Dedicated 1-Wire Master for Convenient 1-Wire Processing
  • Up to 100m Remote Communication with Connected 1-Wire Slave Devices
  • C-Code Demonstrates How to Use the DS2485 in Software Including an Example with the DS28E18

Designed–Built–Tested

A simple, cost-efficient, 1-Wire master is demonstrated using the DS2485 for a simple sensor application using the MAX32660 host microcontroller. This reference design includes the following major components: one each of MAX32660 Cortex-M4 microcontroller, DS2485 1-Wire master, DS28E18 1-Wire to I2C/SPI bridge and an I2C temperature sensor module. This document describes the hardware shown above as well as its supplementing software. It provides a detailed, systematic technical guide to set up and understand the MAXREFDES9004 reference design. The system has been built and tested, details of which follow later in this document.

View Detailed Reference Design external link

Design & Integration Tools

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1.13 M

maxrefdes300 figure 1

RFID Datalogger for Healthcare and Cold-Chain Logistics

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MAXREFDES300

RFID Datalogger for Healthcare and Cold-Chain Logistics

RFID Datalogger for Healthcare and Cold-Chain Logistics

Features and Benefits

Maxim’s MAX32660 Microcontroller

  • Ultra-Low-Power Operation
  • 256KB Flash Memory and 96KB SRAM
  • 3.05mm (L) x 3.05mm (W) x 0.80mm (H) TQFN Package

Axzon’s RFM405 Wireless Passive Sensor

  • On-Chip Temperature Sensor
  • UHF/RAIN Operation – EPCglobal® Gen2 Compliant
View Detailed Reference Design external link

Design & Integration Tools

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415.05 K

MAXREFDES164

IO-Link Local Temperature Sensor

MAXREFDES171

IO-Link Distance Sensor

MAXREFDES9002

C-source Reference for Operating the DS28E18 from Cortex-M4 GPIO Pins

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MAXREFDES9002

C-source Reference for Operating the DS28E18 from Cortex-M4 GPIO Pins

C-source Reference for Operating the DS28E18 from Cortex-M4 GPIO Pins

Features and Benefits

Features

  • Power and communication to I2C and SPI sensors through two wires
  • 512-byte command sequencer for autonomous operation
  • Up to 10mA at 3.3V sensor power derived from 1-Wire
  • Up to 100m distance with the 1-Wire interface
  • Example C-code demonstrates how to interface to I2C and SPI sensors
View Detailed Reference Design external link

Design & Integration Tools

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609.24 K

maxrefdes1261 board

Asset Tracker Power Management Platform

MAXREFDES9001: Secured IoT LoRa Sensor Nodes using the DS28S60 and Google Cloud

Secured IoT LoRa Sensor Nodes using the DS28S60 and Google Cloud

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MAXREFDES9001

Secured IoT LoRa Sensor Nodes using the DS28S60 and Google Cloud

Secured IoT LoRa Sensor Nodes using the DS28S60 and Google Cloud

Features and Benefits

  • Maxim’s DS28S60 ChipDNA technology protects private and secret keys against invasive attacks.
  • Maxim’s DS28S60 provides end-to-end security using hardware-based ECDSA authentication, ECDH key exchange and AES-GCM authenticated encryption.
  • Complete low-power sensor node board design
  • Sample LoRaWAN gateway implementation based on Raspberry Pi
  • Sample Google Cloud application showcasing end-to-end security with the sensor board’s DS28S60 including ECDH key exchange, and AES-GCM secure communication Source code
  • Peripheral Module - compatible sensor expansion port
  • Raspberry Pi enables portable LoRaWAN Gateway deployment
View Detailed Reference Design external link

Design & Integration Tools

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1 M

EVAL CN0583 CRR1 ANGLE web

Multistandard Micropower Verified Smoke Detection System-on-Module

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CN0583

Multistandard Micropower Verified Smoke Detection System-on-Module

CN0583

Circuits from the lab

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Multistandard Micropower Verified Smoke Detection System-on-Module

Features and Benefits

  • Complete Smoke Detector System on Module
  • Micropower Operation for >10 Year Battery Lifetime
  • UL 217 & UL 268 Verified Smoke Detector Algorithm
  • EN 54-7 & EN 14604 Verified Smoke Detector Algorithm
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Design & Integration Tools

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7.55 M

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