Apollo3 Blue Thin

Connected and Smart

Apollo3 Blue Thin introduces Bluetooth® Low Energy to the popular Apollo3 platform for connected devices. Discover the endless possibilities of endpoint AI devices in the connected world.

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Design Resources

Tomorrow’s Connected World Made Inevitable

Smarter Homes

Elevate the smart home experience without forfeiting on battery life.

Healthier Lives

Low sleep power and a rich set of peripherals enable medical devices to track health metrics all day long.

More Connected

Ultra-low power processing meets connectivity on Apollo3 Blue Thin’s Bluetooth® Low Energy radio for IoT endpoint devices

Increasingly Personalized

Tailor to the individual with ultra-low power turboSPOT® that inspires wearables, smart home, and IIoT devices to do more.

Block Diagram for the Ultra-Low Power Apollo3 Blue Thin SoC

Specifications

Ultra-Low Supply Current

6 μA/MHz executing from flash or RAM at 3.3 V
1 μA deep sleep mode (Bluetooth Low Energy Off) with RTC at 3.3 V (Bluetooth Low Energy in SD)

High-Performance Arm Cortex-M4 Processor

Up to 48 MHz nominal clock frequency with 96 MHz performance TurboSPOT Mode
Floating Point Unit (FPU)
Memory Protection Unit (MPU)
Wake-up interrupt controller with 32 interrupts

Integrated Bluetooth Low Energy Module

RF sensitivity: -93 dBm (typical)

Ultra-Low Power Memory

Up to 1MB of flash memory for code/data
Up to 384KB of low power RAM for code/data
16KB 2-way Associative/Direct-Mapped Cache

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

14-bit ADC, 15 selectable input channels available
Up to 2.67 MS/s sampling rate
Voltage Comparator (VCOMP)
Temperature sensor with ±3°C accuracy after calibration

Ultra-Low Power Flexible Serial Peripherals

ISO7816 Secure interface
1x 2/4/8-bit SPI master interface (MSPI)
6x I2C/SPI masters for peripheral communication
1x I2C/SPI slave for host communications
2x UART modules with 32-location Tx and Rx FIFOs
PDM for mono and stereo audio microphones
1x 12S slave for PDM audio pass-through

Rich Set of Clock Sources

32.768 kHz Crystal (XTAL) oscillator
Low Frequency RC (LFRC) oscillator (1.024 kHz)
High Frequency RC (HFRC) oscillator (48 MHz)
RTC based on Ambiq’s AM08X5/18X5 family

Wide Operating Range

1.755-3.63 V, -40°C to 85°C

Applications

Voice-on-SPOT compatible for always-listening keyword detect, audio command recognition and voice
Wearables including smart watches and fitness/activity trackers
Hearing aids, Digital Health Monitoring and Sensing Devices
Smart Home Automation, Security and Lighting control applications

Package Options

5 mm x 5 mm, 81-pin BGA with 50 GPIO
3.25 mm x 3.37 mm, 66-pin WLCSP 300um with backside coating (Thin)
3.25 mm x 3.37 mm, 66-pin WLCSP with 37 GPIO
8 mm x 8 mm, 64-pin QFN with 38 GPIO

Ordering Information

AMA3B1KK-KBR-B0 (384KB, 81-pin BGA)
AMA3B1KK-KCR-B0 (384KB, 66-pin WLCSP)
AMA3B1KK-KCR-TB (non-Bluetooth Low Energy, 384KB, 66-pin WLCSP)
AMA3B1KK-KQR-B0 (384KB, 64-pin QFN)
AMA3BEVB (EVB)

Where to Buy