Power preservation / Sleep modes in BCM4343W

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pihlung's picture
pihlung
Junior(2)

What option is there for battery powered BCM4343W modules.

Can I power down part of the board just leaving the WIFI communication open?

Put it in sleep mode between a sensor reading?

Thanks

 

PeterF's picture
PeterF
Moderator(16)

Support of Low Power Modes

 

The BCM4343W and STM32F411 devices support low-power modes. In WICED SDK under apps\snip\ take a look at the following examples:

ping_deepsleep

ping_powersave

powercycle

 

PeterF's picture
PeterF
Moderator(16)

BCM4343W datasheet

Refer to page 19-23 of BCM4343W datasheet for more info on the power domains and WLAN power management. 

https://community.broadcom.com/servlet/JiveServlet/previewBody/2345-102-3-2586/4343W-DS107-R.pdf

PeterF's picture
PeterF
Moderator(16)

API function calls for Low Power operation

 

WICED-SDK-3.5.2/doc/API/group__initconf.html 

*** WiFi
wiced_init()
wiced_deinit()  // controls WL_REG_ON, powers-off WLAN when not needed
wiced_wifi_enable_powersave()
wiced_wifi_enable_powersave_with_throughput()
wiced_network_suspend()
wiced_network_resume()

*** MCU
wiced_platform_mcu_enable_powersave()