Product Overview
The BHA260AB is an ultra-low power, high-performance, programmable smart sensor featuring Bosch Sensortecs 32-bit ARC EM4 Fuser2 core processor, a state-of-the-art 3-Axis Accelerometer, and an integrated Event-driven Software Framework. This versatile sensor subsystem and computing platform is designed for always-on sensor data processing at minimal power consumption. It offers a configurable CPU operating at 20 MHz (Long Run mode) or 50 MHz (Turbo mode) and supports various host interfaces, including SPI and I2C. The BHA260AB is ideal for applications requiring continuous sensor data processing, such as 3D orientation, activity recognition, step counting, and context awareness, making it suitable for wearable devices, hearables, eyewear, smartphones, and AR/VR/MR headsets.
Product Attributes
- Brand: Bosch Sensortec
- Origin: Germany
- Package: LGA, 22 pads, 2.7 mm x 2.6 mm x 0.78 mm
- RoHS Compliant: Yes
- Halogen-Free: Yes
Technical Specifications
| Feature | Specification |
|---|---|
| CPU Core | 32-bit Synopsys DesignWare ARC EM4 CPU |
| CPU Frequency | 20 MHz (Long Run mode), 50 MHz (Turbo mode) |
| CPU Power Consumption (Long Run) | 950 A @ 20 MHz |
| CPU Power Consumption (Turbo) | 2.8 mA @ 50 MHz |
| On-chip SRAM | 256 kByte |
| On-chip ROM | 144 kByte (preloaded with software) |
| Host Interface | Configurable as SPI (up to 50 MHz) or I2C (up to 3.4 MHz) slave |
| Secondary Master Interfaces | 2 (SPI/I2C) |
| GPIOs | Up to 16 |
| Integrated Sensor | 16-bit 3-axis accelerometer |
| Operating Voltage | 1.8V (Single Power Supply) |
| Operating Temperature | -40C to 85C |
| Package Dimensions | 2.7 mm x 2.6 mm x 0.78 mm |
| Accelerometer Range | 2g, 4g, 8g, 16g |
| Accelerometer Resolution | 16 bit |
| Accelerometer Output Data Rate (ODR) | Up to 1600 Hz |
| Software Features | Event-driven Software Framework, OpenRTOS, BSX Sensor Fusion |
| SDK Support | Metaware C Compiler for ARC, GNU C Compiler for ARC |
2504101957_Bosch-BHA260AB_C17697855.pdf
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