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Maxim MAX32660 Low power, low cost ARM® Cortex®-M4 MCU

Ultra-Low Power ARM® Cortex®-M4 with FPU-Based Microcontroller for Wearable and IoT Sensors

Maxim MAX32660 product image

Ultra-Low Power ARM® Cortex®-M4 with FPU-Based Microcontroller for Wearable and IoT Sensors.


Key features

  • 1.8mW retention power w/ all SRAM maintained
  • 60mW/MHz executing from flash
  • Up to 256KB flash and 96KB SRAM
  • Cortex M4F core with DSP and floating point acceleration


Additional 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
    • 570nA Ultra-Low Power RTC at VDD=1.8V
    • Internal 8kHz Ring Oscillator
  • Optimal Peripheral Mix Provides Platform Scalability
    • Up to 14 General-Purpose I/O Pins
    • Up to Two SPI Master/Slave
    • I2S Master/Slave
    • Up to Two UARTs
    • Up to Two I2C Master/Slave, 3.4Mbps High Speed
    • Four-Channel Standard DMA Controller
    • Three 32-Bit Timers
    • Watchdog Timer
    • CMOS-Level 32.768kHz RTC Output



  • Wearables

Maxim MAX32660 Ultra-Low Power ARM® Cortex®-M4 | EBV Elektronik

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