Ambiq Apollo4 Blue Lite System-on-Chip

Ambiq Apollo4 Blue Lite System-on-Chip (SoC) is a cost-reduced variation based on the Apollo4 and Apollo4 Plus SoCs and is designed for mid- and mid-low range wearables as host processors and higher-end wearables as the sensor HUB. The Apollo4 Blue Lite SoC has a low die cost and deep sleep power package to support sensor HUB applications.

The Ambiq Apollo4 Blue Lite SoC features 2MB of NVM and 1.375MB of SRAM to compute and store complex algorithms and neural networks while displaying vibrant, crystal clear, and smooth graphics. The Apollo4 Blue Lite has a System-in-Package (SiP) configuration with the BLE 5.1 controller module used in other “Blue” variants of the Apollo4 family.

Features

Ultra-low supply current
- 4.6µA/MHz executing “while” from NVM with a cache at 3.3V
- Low-power sleep and deep sleep modes with selectable levels of RAM/cache retention
High-performance Arm® Cortex-M4 processor with FPU
- 96MHz/192MHz operating mode
- Floating Point Unit (FPU), Memory Protection Unit (MPU)
- Secure boot
BLUETOOTH Low Energy 5.11
- Data rates of 1Mbps and 2Mbps
- Extended advertising packets
- Angle of Arrival (AoA) and Angle of Departure (AoD)
- Tx output power of -10dBm to +6dBm
- Rx sensitivity of -95.5dBm at 1Mbps, -92dBm at 2Mbps
Ultra-low-power memory
- Up to 2MB of non-volatile memory (NVM) for code/data
- Up to 1.375MB of low-power RAM for code/data
Ultra-low-power interface for off-chip sensors
- 8-bit, 10-bit, and 12-bit ADC modes, 11x selectable channels
- Temperature sensor with ±3°C accuracy
Ultra-low-power flexible serial peripherals
- 2x QSPI/OSPI; 1x QSPI/OSPI/HexSPI
- 7x I²C/SPI masters for peripheral communication
- I²C/SPI slave for host communications
- 4x UART modules with flow control
- SDIO (SD3.0)/eMMC (v4.51)
Display of up to 390 x 390 x 24-bit resolution at 30FPS (using NemaGUI over MSPI interface)

Graphics
- 2D/2.5D graphics accelerator
- Texture mapping
- Anti-aliasing/dithering/vector graphics processing
Audio processing
- 1x PDM interface
- 1x full duplex I²S port
Rich set of clock sources
- 32MHz and 32.768kHz crystal oscillators
- 900Hz low-frequency RC oscillator
- 2x high-frequency RC oscillators – 192MHz/384MHz
Power Management
- Operating voltage of 1.71V to 2.2V
- Temperature range of -20°C to +60°C
- SIMO buck/BLE buck
- Multiple I/O voltages supported
4.7mm x 4.7mm, 12 x 12 BGA (131-pins / 75GPIO)

Applications

Smartwatches/bands
Activity and fitness monitors
Consumer electronics
Motion and tracking devices

Home automation
Alarms and security system
Consumer medical devices

Ambiq Apollo4 Blue Lite System-on-Chip

Features

Applications

Block Diagram

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