Google Wear OS Platform (Formerly Android Wear)

 
Interesting concept. 1 processor and OS for smart watch functions, another processor/OS for basic watch functions.
In recent years, Wear OS watches have featured both an application processor (AP) and the low-power co-processor, or microcontroller unit (MCU), for what Google calls a “dual-chipset architecture.”
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looking at a Calendar alert in the notification feed keeps you on the MCU. Tapping to open the full Google Calendar Wear OS app triggers the AP.

Pixel watch also has this kind of feature?
“Pixel Watch uses a combination of on-device machine learning and deep optimization, down to the processor level, to give you an accurate measurement of your heart rate continuously at once per second.” As a reminder, that’s the Exynos 9110 SoC and a Cortex M33 co-processor.
 
tbh, it is a normal thing these days. almost all multiprocessor architecture have separate chips for low power and high performance requirements. especially on mobile devices.
 


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