MAX32680

Obsolete

Ultra-Low-Power Arm Cortex-M4F with Precision Analog Front-End and Bluetooth LE 5.2

Integrates Precision Analog Front-End, SIMO Power Regulation, Latest Generation Bluetooth LE 5, and RISC-V Coprocessor

Part Details

  • Ultra-Low-Power Wireless Microcontroller
    • Internal 100MHz Oscillator
    • 512KB Flash and 128KB SRAM
      • Optional ECC on One 32KB SRAM Bank
  • Bluetooth 5.2 LE Radio
    • Dedicated, Ultra-Low-Power, 32-Bit RISC-V Coprocessor to Offload Timing-Critical Bluetooth Processing
    • Fully Open-Source Bluetooth 5.2 Stack Available
    • Supports AoA, AoD, LE Audio, and Mesh
    • High-Throughput (2Mbps) Mode
    • Long-Range (125kbps and 500kbps) Modes
    • Rx Sensitivity: -97.5dBm; Tx Power: +4.5dBm
    • Single-Ended Antenna Connection (50Ω)
  • Smart Integration Reduces BOM, Cost, and PCB Size
    • Two 16-Bit to 24-Bit Δ-Σ ADCs
      • 12 Channels, Assignable to Either ADC
      • Flexible Resolution and Sample Rates
        • 24-Bits at 0.4ksps, 16-Bits at 4ksps
    • Four External Input, 10-Bit Δ-Σ ADC 7.8ksps
    • 12-Bit DAC
    • On-Die Temperature Sensor
    • Digital Peripherals: Two SPI, Two I2C, up to Four UART, and up to 36 GPIOs
    • Timers: Six 32-Bit Timers, Two Watchdog Timers, Two Pulse Trains, 1-Wire® Master
  • Power Management Maximizes Battery Life
    • 2.0V to 3.6V Supply Voltage Range
    • Integrated SIMO Power Regulator
    • Dynamic Voltage Scaling (DVS)
    • 23.8μA/MHz ACTIVE Mode Current at 3.0V Coremark®
    • 4.4μA at 3.0V Retention Current for 32KB SRAM
    • Selectable SRAM Retention in Low-Power Modes
  • Robust Security and Reliability
    • TRNG
    • Secure Nonvolatile Key Storage and AES-128/192/256
    • Secure Boot to Protect IP/Firmware
    • Wide, -40°C to +85°C Operating Temperature
MAX32680
Ultra-Low-Power Arm Cortex-M4F with Precision Analog Front-End and Bluetooth LE 5.2
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Documentation

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Software Resources

Evaluation Software 1


Evaluation Kits

eval board
MAX32680EVKIT

Evaluation Kit for the MAX32680

Features and Benefits

  • SMA Connector for Attaching an External Bluetooth Antenna
  • 128 x 128 (1.45in) Color TFT Display with SPI Interface
  • Two Selectable On-Board, High-Precision Voltage References
  • USB 2.0 Micro B to Serial UARTs
  • UART1 and LPUART0 Interface is Selectable Through On-Board Jumpers
  • All GPIOs Signals Accessed Through 0.1in Headers
  • Access to Four Analog Inputs Through SMA Connectors Configured as Differential
  • Access to Eight Analog Inputs Through 0.1in Headers Configured as Single-End
  • Optional Discrete Filter for the Twelve Analog Inputs
  • DAC Accessed Through SMA Connector or Test Point
  • 10-Pin SWD Connector
  • 10-Pin RV JTAG Connector
  • Board Power Provided by USB Port
  • On-Board 3.3V LDO Regulator to Power MAX32680 Internal SIMO
  • Test Loops Provided to Supply Optional VCORE Power Externally
  • Individual Power Measurement on All IC Rails Through Jumpers
  • Two General Purpose LEDs and Two General Purpose Pushbutton Switches

Product Details

The MAX32680 evaluation kit (EV kit) provides a platform for evaluation capabilities of the MAX32680 microcontroller, which is an advanced system-on-chip (SoC) designed for industrial and medical sensors. Power regulation and management is provided by a single-inductor multiple-output (SIMO) buck regulator system and contains the latest generation Bluetooth® 5.2 Low Energy (LE) radio.

Applications

  • 4-20mA industrial Sensors & Transmitters
  • Industrial Pressure,Temperature. Level and Flow Sensors/ Transmitters
  • Medical Pressure & Temperature sensors

MAX32680EVKIT
Evaluation Kit for the MAX32680

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