Apollo4 SoC

Leading Edge AI

The Apollo4 SoC is purpose-built for ultra-low power processing, secure development environments, and vibrant graphics for leading-edge AI applications.

Design Resources

Video Library

Take Charge of Your Life

Ultra-efficient performance

Up to 192 MHz processing with turboSPOT® efficiency as low as 5 µA/MHz, enabling powerful applications without sacrificing power consumption.

Built for complex workloads:

Up to 2MB MRAM and 1.8MB SRAM to provide the headroom needed to execute complex algorithms, neural networks, and rich graphical interfaces directly on-device.

Expandable memory support

Multi-bit SPI and eMMC interfaces make it easy to add external memory for larger datasets, models, or media.

Purpose-built for battery devices:

Designed as an application processor or coprocessor for smartwatches, fitness bands, voice remotes, trackers, predictive health, and smart home devices.

Block Diagram for the Ultra-Low Power Apollo4 SoC

Specifications

Ultra-Low Supply Current

5 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)
Secure Boot

Ultra-Low Power Memory

Up to 2MB of non-volatile MRAM for code/data
Up to 1.8MB 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

3x 2/4/8-bit SPI master interfaces
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)

Display

MIPI DSI 1.2 up to 500 Mbps
Up to 454 x 454 resolution
4 layers with alpha blending
Frame Buffer Decompression

Graphics

2D/2.5D graphics accelerator
Full Alpha Blending
Texture and Frame Buffer Compression

Audio Processing

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

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

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

Ordering Information

MAP42KK-KBR-B2 (BGA)

Design Resources

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Apollo4 SoC

Leading Edge AI

Take Charge of Your Life

Ultra-efficient performance

Built for complex workloads:

Expandable memory support

Purpose-built for battery devices:

Block Diagram for the Ultra-Low Power Apollo4 SoC

Specifications

Ultra-Low Supply Current

High-Performance Arm Cortex-M4 Processor with FPU

Ultra-Low Power Memory

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

Ultra-Low Power Flexible Serial Peripherals

Display

Graphics

Audio Processing

Rich Set of Clock Sources

Power Management

Applications

Package Options

Ordering Information

Design Resources

Additional Documentation

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