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Maxim Integrated


New Product Introduction


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

Key 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


  • Fitness monitors
  • Industrial sensors
  • IoT
  • Optical modules: QSFP-DD, QSFP, 400G
  • Portable medical devices
  • Sports watches
  • Wearable medical patches




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