Product specifications
Apollo2 Thin - Ultra-Low Power System on Chip
The Apollo2 Thin SoC Family is an ultra-low power, highly integrated System on 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. 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 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.
The Apollo Thin SoC is the 2nd generation controller building upon Ambiq's Apollo SoC product line. The Apollo2 Thin SoC integrates up to IMB 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 Chip also includes dual PulseDensity Modulation (PDM) inputs for applications that require digital microphones for near and mid-field always-on keyword detection, voice assistant integration, and voice control.
Features
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
- Memory protection unit (MPU)
- Wake-up interrupt controller with 32 interrupts
Ultra-low Power Memory
- Up to 1 MB 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/SPl 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 I²S 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
- 2.5mm x 2.5mm 49-pin CSP 300um with backside coating
Ordering Information
- AMAPHIKK-KCR-TB
- Ambiq Product -