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    Apollo3

    Innovation at Your Fingertips

    Apollo3 opens up new possibilities for next-generation devices with a flexible, ultra-low power platform for IoT endpoint devices.

    Experience the Future of Ultra-Low Power

    01

    Intelligence Focused

    Architected with the feature requirements of future endpoint AI devices in mind.

    02

    Versatility Reimagined

    Full-featured hardware and software platform that has excelled as both an application processor and sensor hub for a wide variety of markets and use cases.

    03

    Efficiency Redefined

    Industry-leading ultra-low power with less than 6µA/MHz of active power consumption and 1 μA in deep sleep.

    04

    Security Centered

    Ambiq’s secureSPOT® platform with secure OTA and wired updates, Flash protection, recovery, hardware entropy, and more for secure applications.

    Apollo3 Block Diagram

    Specifications

    Ultra-Low Power Supply

    • 6 μA/MHz executing from flash or RAM at 3.3 V
    • 1 μA deep sleep mode with RTC at 3.3 V

    High-Performance Arm Cortex-M4 Processor

    • Up to 48 MHz nominal clock frequency with 96 MHz performance
    • Floating Point Unit (FPU)
    • Memory Protection Unit (MPU)
    • Wake-up interrupt controller with 32 interrupts

    Ultra-Low Power Memory

    • Up to 1MB of flash memory for code/data
    • Up to 384KB of low power RAM for code/data
    • 16KB 2-way Associative/Direct-Mapped Cache

    Ultra-Low Power Interface for On- and Off-Chip Sensors

    • 14-bit ADC, 15 selectable input channels available
    • Up to 2.67 MS/s sampling rate
    • Voltage Comparator (VCOMP)
    • Temperature sensor with ±3°C accuracy after calibration

    Ultra-Low Power Flexible Serial Peripherals

    • 1x 2/4/8-bit SPI master interface (MSPI)
    • 6x I2C/SPI masters for peripheral communication
    • 1x I2C/SPI slave for host communications
    • 2x UART modules with 32-location Tx and Rx FIFOs
    • PDM for mono and stereo audio microphones
    • 1x 12S slave for PDM audio pass-through

    Rich Set of Clock Sources

    • 32.768 kHz Crystal (XTAL) oscillator
    • Low Frequency RC (LFRC) oscillator (1.024 kHz)
    • High Frequency RC (HFRC) oscillator (48 MHz)
    • RTC based on Ambiq’s AM08X5/18X5 family

    Wide Operating Range

    • 1.755-3.63 V, -40°C to 85°C

    Applications

    • Headsets, Earphones, Wireless Earbuds
    • Mobile Accessories
    • Hearing Aids
    • Always-Listening, Voice-Activated Appliances
    • Portable Voice Assistants
    • Remote Controls
    • Smart Cards
    • Fingerprint Readers
    • Wearable electronics including smart watches
    • Smart meters
    • Wireless sensors
    • Activity and fitness monitors
    • Consumer electronics

    Package Options

    • 5 mm x 5 mm, 81-pin BGA with 50 GPIO
    • 3.25 mm x 3.37 mm, 66-pin WLCSP with 37 GPIO

    Ordering Information

    • AMAP31KK-KBR (BGA)
    • AMAP31KK-KCR (WLCSP)

    Design Resources

    Browse our Design Resources which includes product briefs, datasheets, selector guides, family brochures, white papers, quick start guides, and more to help you learn more about products.

    Additional documentation

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