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Apollo4 Blue 01

Ambiq®, the leader in low-power system on chip (SoC) design, has once again raised the bar with the Apollo4 Blue SoC. With the lowest dynamic and sleep mode power on the market, the Apollo4 Blue SoC allows designers of next-generation wearables and smart devices to take their innovative products to the next level. Moreover, designers can securely develop and deploy products confidently with our secureSPOT® technology and PSA-L1 certification.

Achieve a higher level of intelligence without sacrificing battery-life

Block Diagram for the Ultra-Low Power Apollo4 Blue SoC

More Information

The Apollo4 Blue SoC family is the 4th generation system processor solution built upon Ambiq’s proprietary Subthreshold Power-Optimized Technology (SPOT®) platform. The Apollo4’s complete hardware and software solution enables the battery-powered endpoint devices of tomorrow to achieve a higher level of intelligence without sacrificing battery life.

With up to 2MB of MRAM and 1.8MB of SRAM, the Apollo4 Blue has more than enough compute and storage to handle complex algorithms and neural networks while displaying vibrant, crystal-clear, and smooth graphics. If additional memory is required, an external memory is supported through Ambiq’s multi-bit SPI and eMMC interfaces.
The Apollo4 Blue is purpose-built to serve as both an application processor and a coprocessor for battery-powered endpoint devices, including smartwatches, children’s watches, fitness bands, animal trackers, far-field voice remotes, predictive health and maintenance, and the smart home.
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)

Bluetooth Low Energy 5.3

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

Security 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 1.8MB of low power SRAM for code/data

Ultra-Low Power Analog-to-Digital Converter (ADC)

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

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 up to 500 Mbps

Up to 454x 454resolution

4 layers with alpha blending

Frame Buffer Decompression

Graphics

2D/2.5D graphics accelerator

Full Alpha Blending

Texture and Frame Buffer Compression

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

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

AMA4B2KK-KBR-B2

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