Apollo2 Thin 01

Apollo2 SoC EVB AMAPH1KK-KBR

The Apollo2 Thin SoC is an ultra-low power ultra-low profile, highly integrated system on a chip designed for battery-powered and portable, mobile devices. At the heart of the Apollo2 Thin SoC is Ambiq’s patented Subthreshold Power Optimized Technology (SPOT®) and a powerful Arm® Cortex®-M4 processor with Floating Point Unit.

Apollo2 Thin MCU EVB Drawing
Apollo2 SoC EVB AMAPH1KK-KBR

Block Diagram for the Ultra-Low Power Apollo2 Thin SoC

Block Diagram for Apollo2 Thin MCU Block Diagram for Apollo2 Thin MCU

More Information

This combination dramatically reduces energy consumption while still enabling abundant application processing power to add greater capability and extended life to battery-operated devices. With unprecedented levels of energy efficiency, the Apollo2 Thin can deliver always-on keyword detection and voice assistant integration, local voice control, complex sensor processing, gesture recognition and activity monitoring applications within the smallest power budget in the smallest form factor.
The Apollo2 Thin SoC is the 2nd generation controller building upon Ambiq’s Apollo SoC product line. The Apollo2 Thin SoC integrates up to 1MB of flash memory and 256KB of RAM to accommodate radio and sensor overhead while still leaving plenty of space for application code and algorithms. In addition to flexible serial channels for radio and sensor communication, this system on a chip also includes dual Pulse- Density Modulation (PDM) inputs for applications that require digital microphones for near and mid-field always-on keyword detection, voice assistant integration, and voice control.
Specifications

Ultra-Low Supply Current

< 10 μA/MHz executing from flash at 3.3 V

< 10 μA/MHz executing from RAM at 3.3 V

< 3 μA deep sleep mode with RTC at 3.3 V

High-Performance Arm Cortex-M4 Processor

Up to 48 MHz clock frequency

Floating Point Unit (FPU)

Memory Protection Unit (MPU)

Wake-up interrupt controller with 32 interrupts

Apollo2 Thin <br>AMAPH1KK-KCR

Apollo2 Thin
AMAPH1KK-KCR

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Ultra-Low Power Memory

Up to 1MB of flash memory for code/data

Up to 256KB of low power RAM for code/data

16KB 2-way Associative 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

6x I2C/SPI masters with 128-byte bidirectional FIFO for communication with sensors, radios, and other peripherals

1x I2C/SPI slave for host communications with 256-bytes LRAM area for FIFO/host support

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

Headsets, Earphones, Wireless Earbuds

Mobile Accessories

Hearing Aids

Always-Listening, Voice-Activated Appliances

Portable Voice Assistants

Remote Controls

Smart Cards

Fingerprint Readers

Wearable electronics including smart watches

Smart meters

Wireless sensors

Activity and fitness monitors

Consumer electronics

Package Option

2.5 mm x 2.5 mm 49-pin WLCSP 300 μm with backside coating

Ordering Information

AMAPH1KK-KCR-TB

Typical Sensor Application Circuit for the Apollo2 Thin MCU
Typical Sensor Application Circuit for the Apollo2 Thin MCU
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