AN-B-026 DA14580 External Wake-Up Mechanisms
■This document describes the external wake-up mechanisms that can be used in external processor based applications of the DA14580 Bluetooth® Smart SoC. Two wake-up mechanisms can be implemented: external processor to DA14580 and DA14580 to external processor. These can be used in either UART or SPI interface. An external processor can wake up the DA14580 using a GPIO signal as the interrupt line. This can be used as an alternative to the existing DA14580 auto wake-up process. Similarly, when the DA1580 wakes up due to internal kernel timer expiration or due to a pre-programmed BLE event, it can toggle a GPIO to wake up the external processor.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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23-Dec-2021 |
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Revision 1.1 |
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AN-B-026 |
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723 KB |
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