Power Save - Deep Sleep Mode

AmebaD supports 2 low power modes which are deep sleep mode and sleep mode.

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Description

Deep Sleep mode turns off more power domain than sleep mode. The power consumptions of Deep Sleep mode is around 7μA to 8μA as compared to normal state which is around 22mA. This example describes how to enter Deep Sleep mode and configure the wakeup source.

Details

BW16 is a dual-frequency Wi-Fi + Bluetooth SoC module developed based on RTL8720DN. It supports dual-frequency (2.4GHz or 5GHz) WLAN and low power Bluetooth 5.0; and integratesARMV8 (Cortex-M4F) high-performance MCU, ARM V8M (Cortex-M0) low-power MCU, WLAN (802.11 a / b / g / n), MAC, Bluetooth and RF baseband, and provides a set of configurable GPIO ports for the control of different peripherals.

More Resources:

If you need additional technical documents or the source code for this project. Please visit the official websites and join the Facebook group and forum.

Ameba Official Website: https://www.amebaiot.com/en/

Ameba Facebook Group: https://www.facebook.com/groups/amebaioten

Ameba Forum: https://forum.amebaiot.com/

Components

1 × BW16

Build Instructions

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1

Setup

Open “File” -> “Examples” -> “AmebaPowerSave” -> “DeepSleepMode”
Set condition values as below.
“DS_WAKEUP_SOURCE” is used to set the wakeup source, user can choose 3 wakeup sources,
AON Timer (SET_DS_AON_TIMER_WAKEUP);
AON GPIO pins (SET_AON_WAKEPIN_WAKEUP);
RTC Timer(SET_DS_RTC_WAKEUP);