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Apollo4 Blue Plus 01

Ambiq® introduces the latest addition to the Apollo4 SoC family, the fourth generation of SPOT-enabled SoCs. Built on a rich architecture that integrates low power Bluetooth® Low Energy 5.1, the Apollo4 Blue Plus brings enhanced graphics performance and additional on-chip memory. With a built-in graphics processing unit (GPU) and a high performing display driver, Apollo4 Blue Plus enables designers of next generation wearables and smart devices to deliver even more stunning user interface (UI) effects and overall user experience. Moreover, designers can securely develop and deploy products confidently with our secureSPOT® technology and PSA-L1 certification.

Display vibrant, crystal-clear, and smooth graphics

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

More Information

The Apollo4 Blue Plus SoC is the 4th generation system processor solution built upon Ambiq’s proprietary Subthreshold Power-Optimized Technology (SPOT®) platform. The Apollo4 Blue Plus’s complete hardware and software solution enables the wireless battery-powered endpoint devices of tomorrow to achieve a higher level of intelligence without sacrificing battery life. The Apollo4 Blue Plus includes a 32-bit Arm® Cortex®-M4 core with Floating Point Unit (FPU) and a Bluetooth® Low Energy 5.1 radio. There are two variants in BGA packages. The AMA4BKP-KBR, available now, is pin-compatible to the Apollo4 Blue AMA4BKK-KBR for easy migration. The AMA4BKP-KXR, available in Q3, 2022, includes a HexSPI interface for faster access to PSRAM or other external memory for richer graphics.
With up to 2MB of MRAM and 2.75MB of SRAM, the Apollo4 Blue Plus 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, external memory is supported through Ambiq’s high bandwidth hexSPI and eMMC interfaces.

The Apollo4 Blue Plus 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

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)

Apollo4 Blue Plus (KBR)<br>AMA4B2KP-KBR

Apollo4 Blue Plus (KBR)
AMA4B2KP-KBR

Buy
Apollo4 Blue Plus (KXR)<br>AMA4B2KP-KXR

Apollo4 Blue Plus (KXR)
AMA4B2KP-KXR

Buy
Apollo4 Blue Plus<br>KBR Evaluation Board<br>AMA4BPEVB

Apollo4 Blue Plus
KBR Evaluation Board
AMA4BPEVB

Buy
Apollo4 Blue Plus<br>KXR Evaluation Board<br>AMAP4BPXEVB

Apollo4 Blue Plus
KXR Evaluation Board
AMAP4BPXEVB

Buy

Bluetooth Low Energy 5.1

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 Recovation

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)

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Documents 04

Where To Buy 05

Global Distributor
Latin America

Direct Sales

sales@ambiq.com

TOP-electronics USA

info@top-electronicsUSA.com

Japan

IIDA ELECTRONICS (TSUSHO) Co., Ltd

m-kokura@iida-tusho.co.jp

Southeast Asia

IID A ELECTRONICS(TSUSHO) Co., Ltd

inoue@iida.com.sg

KAGA FEI ELECTRONICS PACIFIC ASIA LIMITED Singapore Branch

desmond.tan@ap.kagafei.com

India

KAGA FEI ELECTRONICS PACIFIC ASIA LIMITED

desmond.tan@ap.kagafei.com

Korea

Direct Sales

sales@ambiq.com

Sechang Semicon Co., Ltd.

sales@sechangsemicon.com

USA

Direct Sales

sales@ambiq.com

TOP-electronics USA

info@TOP-electronicsUSA.com

China and Hong Kong

Direct Sales

sales_china@ambiq.com

Taiwan

Direct Sales

sales_taiwan@ambiq.com

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