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Processor 草榴社区 for Intelligent Thermostats
Overview
Heating and cooling costs drive a large portion of most consumers' energy bills. Intelligent thermostats provide the ability to seamlessly and automatically control energy settings and schedules within a residence or business, providing potential for significant cost savings.
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SD Card
- ARC EM4 for power-critical, bus-powered apps like SD cards
- Best-in-class code density reduces memory size & power
- Fast interrupts and 2nd register file for real-time response
- Custom instruction extensions to add differentiating HW
IEEE 802.15.4 transceiver (2.4 GHz)
- DSP for RF baseband with EMxD cores and Data Fusion Subsystem
- Tightly coupled communications MACs for lower latency, power
- Programmable accelerators (ASIP) for matrix, FFT, filtering
WiFi/Bluetooth LE transceiver
- ARC EM4 and EM6 processors optimized for power & area
- Native DSP support with ARC EMxD cores and Data Fusion Subsystem
- Tightly coupled communications MACs for lower latency, power
- Programmable accelerators (ASIP) for matrix, FFT, filtering
Power management IC
- Power- and area-efficient ARC EM4 for state machine calculations
- Sensor & Control Subsystem integrates control & register interfaces
- Battery monitoring via ADC interface in Sensor & Control Subsystem
Sensor & Control Subsystem
- ARC EM for power-critical, battery-operated devices
- Power-efficient sensor fusion with Sensor & Control Subsystem
- Support for tightly coupled digital and analog sensors
- Low-power HW accelerators perform common sensor functions
Image processing
- EMxD cores support DSP algorithms for image processing tasks
- Real-time, deterministic response with XY memory in EM9D & EM11D cores
Audio Subsystem
- Small, low power ARC EMxD processor for audio DSP
- Dual-core AS221BD for enhanced audio & multichannel HD
- SoundWave Audio Subsystem integrates audio HW, SW, interfaces
- Broad portfolio of certified audio codecs