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    Apollo4 Blue Plus

    Connecting Brilliance with Visual Excellence

    Apollo4 Blue Plus provides Bluetooth® Low Energy connectivity and superior graphical performance for ultra-low power applications at the endpoint.

    Performance Meets Power Savings

    01

    The Power to Innovate

    Ultra-low power processing of 4µA/MHz at up to 192MHz with turboSPOT® enables next generation devices to do more for longer.

    02

    Visual Brilliance

    High performance 2.5D GPU featuring full alpha blending, vector graphics, and more for vibrant, crystal-clear, and smooth graphics.

    03

    Uncompromising Security

    Certified PSA L1 running advanced secureSPOT® for secure applications. Learn more at https://ambiq.com/securespot/.

    04

    AI-Powered Possibilities

    Experience intelligence at the endpoint, including activity recognition, speech enhancement and de-noising, and real-time health analytics. Learn more at https://ambiq.ai/.

    Block Diagram for the Ultra-Low Power Apollo4 Plus Blue SoC

    Specifications

    Ultra-Low Supply Current

    • 4 μA/MHz executing from MRAM (with cache)
    • Low-power sleep and deep sleep modes with selectable levels of RAM/cache retention

    High-Performance Arm Cortex-M4 Processor with FPU

    • Up to 192 MHz clock frequency
    • Floating Point Unit (FPU)
    • Memory Protection Unit (MPU)

    Bluetooth Low Energy 5.4

    • 2 Mbps, extended advertising packets
    • Angle of Arrival (AOA) and Angle of Departure (AOD)
    • Tx: Up to +6 dBm output power
    • Rx Sensitivity: -95 dBm

    Security Features

    • Secure Boot
    • Secure over-the-air (OTA) updates
    • Secure wired updates
    • Key Revocation

    Ultra-Low Power Memory

    • Up to 2MB of non-volatile MRAM for code/data
    • Up to 2.75MB of low power RAM for code/data

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

    • 12-bit ADC, 11 selectable input channels
    • Up to 2.8 MS/s sampling rate
    • Temperature sensor with ±3°C accuracy

    Ultra-Low Power Flexible Serial Peripherals

    • 2x 2/4/8-bit SPI master interfaces
    • 2/4/8/16-bit SPI master interface (16-bit SPI available in AMA4BPK-KXR only)
    • 7x I2C/SPI masters for peripheral communication
    • 1x SPI slave for host communications
    • 4x UART modules with flow control
    • 1x USB 2.0 HS/FS device controller
    • 1x SDIO (SD3.0)/1x eMMC (v4.51)

    Display

    • MIPI DSI 1.2 with 2 data lanes up to 500 Mbps
    • Up to 500 x 500 resolution
    • 4 layers with alpha blending
    • Frame Buffer Decompression

    Graphics

    • 2D/2.5D graphics accelerator
    • Full Alpha Blending
    • Texture and Frame Buffer Compression
    • Anti-Aliasing
    • Dithering
    • Vector Graphics

    Audio Processing

    • 1x stereo Low Power Analog microphones
    • 4x stereo Digital microphones
    • 2x full-duplex I2S ports with ASRC

    Rich Set of Clock Sources

    • 16-52 MHz and 32.768 kHz Crystal (XTAL) oscillators
    • 1 kHz Low Frequency RC (LFRC) oscillator
    • 2x High Frequency RC (HFRC) oscillator – 192/384 MHz

    Power Management

    • Operating range: 1.71-2.2 V, –20°C to 60°C
    • SIMO buck
    • Multiple I/O voltages supported

    Applications

    • Smart watches/bands
    • Wireless sensors and IoT
    • Activity and fitness monitors
    • Children's watches
    • Animal trackers
    • Motion and tracking devices
    • Alarms and security system
    • Far-field voice remotes
    • Consumer medical devices
    • Predictive maintenance
    • Smart home

    Package Options

    • 4.7 mm x 4.7 mm, 131-pin SiP BGA

    Ordering Information

    • AMA4B2KP-KXR (BGA)
    • AMA4B2KP-KBR (BGA)

    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.

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