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Pad
Parameters
Conditions
Min.
Typ.
Max.
Unit
I
IL
Low-level Input Current
All GPIO @ 3.3V
-1
–
1
µA
I
IH
High-level Input Current
All GPIO @ 3.3V
-1
–
1
µA
I
OL
Low-level Output Current
All GPIO @ 3.3V / Low
-2
–
–
mA
All GPIO @ 3.3V / High
-32
–
–
mA
I
OH
High-level Output Current
All GPIO @ 3.3V / Low
–
–
2
mA
All GPIO @ 3.3V / High
–
–
32
mA
5.4
Power Consumption
5.4.1
Hardware Setup
The following figure illustrates the hardware architecture and the position of ammeters for the measurements
performed on ATSAMA5D27-WLSOM1-EK1 board.
(5.0V)
LDO 3.3 V
I
VDDBU
A
I
VDD_MAIN
A
I
VDD_3V3
A
MIKR
OE-1649
mik
roBUS
LCD + TOUCH TM5000B
ZiF L
CD
ZiF L
CD
MIKR
OE-2000
mik
roBUS
SDMMC
ATSAMA5D27-WLSOM1
SDMMC
VDDANA
SPI
TWI
VDD_3V3
RGB
VDD_MAIN
VDDBU
VDDISC
VDDSDHC
5.4.2
Software Setup and Command
5.4.2.1
Software Setup
The Linux image used for the tests is available on
The board web page is here:
www.linux4sam.org/bin/view/Linux4SAM/Sama5d27WLSom1EKMainPage
The image used is the Buildroot Based Demo with PDA5" configuration, available in the
page.
5.4.2.2
Software Commands
To activate various interfaces, the following commands are used:
For Wi-Fi activity
modprobe wilc-sdio
wpa_supplicant -Dnl80211 -iwlan0 -c/etc/wpa_supplicant.conf &
wpa_cli -iwlan0 -p/var/run/wpa_supplicant add_network
wpa_cli -iwlan0 -p/var/run/wpa_supplicant set_network 2 ssid '"IPERF_TEST"'
SAMA5D27 Wireless SOM1
Electrical Characteristics
©
2021 Microchip Technology Inc.
and its subsidiaries
Complete Datasheet
DS60001590D-page 49