Ultra-low-power BLE5.0 System on Chip
Supporting Bluetooth 5, the QN908x is designed to power the next generation of ultra-small, portable connected wireless devices. With several low-power modes and best-inclass active TX and RX power consumption, devices powered by QN908x can operate longer on smaller batteries. Internally, it is powered by an Arm Cortex-M4F and has a dedicated fusion sensor co-processor (FSP) to further reduce power consumption by offloading complex math computations to hardware. 512 KB onboard flash and 128 KB SRAM provide enough room and flexibility for complex applications.
Key features
- True single-chip Bluetooth Low Energy (v5.0) SoC solution
- ARM Cortex-M4 processor, running at a frequency of up to 32 MHz
- Floating Point Unit (FPU) and Memory Protection Unit (MPU)
- 512 kB flash program memory，128 kB SRAM，256 kB ROM
- Four Flexcomm serial peripherals
- DMA controller with 20 channels, able to access memories and DMA capable peripherals
- 16-bit ADC with 8 external input channels, with sample rates of up to 32k sample per second
- Integrated temperature sensor
- Programmable Power Management Unit (PMU) to minimize power consumption
Target applications
- Wearables
- Health devices
- Sports and fitness trackers
- HID devices such as keyboards, mice, and remote control units
- Smart home nodes
- Building and home automation
- Retail and advertising beacons
Diagram
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