No results found for “

Apollo4 Plus

Powerful Graphics. Efficiently Driven.

Vibrant graphics, ultra-low power processing, and AI at the endpoint made possible by Apollo4 Plus.

Performance Meets Power Savings


Purpose-Built SoC

With turboSPOT® high-frequency operation and ample memory, this platform is engineered to drive battery-powered graphics, audio solutions, and more.


Extreme LP Modes

Make the most of your power budget with our flexible, low-power sleep and deep sleep modes with selectable levels of RAM/cache retention.


Always-on Audio

Achieve multi-channel processing and high-fidelity digital audio with enhanced digital filtering and low power audio interfaces.


Safe and Secure

secureSPOT® ensures a complete end-to-end secure environment with Secure Boot, secure over-the-air (OTA) and wired updates, secure key storage in OTP memory, secure debug and more.

Apollo4 Plus Block Diagram


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)

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
  • 8x 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)


  • 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


  • 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 Crystals (XTAL) oscillators
  • 1 kHz Low Frequency RC (LFRC) oscillator
  • 2x High Frequency RC (HFRC) oscillator

Power Management

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


  • 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

  • 5 mm x 5 mm, 146-pin BGA with 105 GPIO

Ordering Information


Design Resources

At Ambiq, we believe that work can be meaningful. A place where you’re both encouraged and empowered to be your authentic self.

Additional documentation

  • Set favorites
  • Get update notifications
  • Use search filters
Our website uses cookies

Our website use cookies. By continuing navigating, we assume your permission to deploy cookies as detailed in our Privacy Policy.

Preparing to download