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.

Where to Buy

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 edge devices.

Increasingly Personalized

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

Block Diagram Apollo3 Blue

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