Atmel ATWINC3400, User Manual

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Getting Started Guide for ATWINC3400 W-Fi using SAM D21 Xplained Pro [USER GUIDE]
Atmel-42640A-Getting-Started-Guide-for-ATWINC3400WiFi-using-SAMD21-Xplained-Pro_UserGuide_02/2016
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
Secure TLS stack

WSC (wireless simple configuration WPS)

On-Chip Network Stack to offload MCU
–
Integrated Network IP stack to minimize host MCU requirements
–
Network features: TCP, UDP, DHCP, ARP, HTTP, SSL, and DNS
More detailed information about ATWINC3400: http://www.atmel.com/devices/ATWINC3400.aspx
3.3 Atmel IO1-XPRO Sensor Extension Board
Atmel IO1 Xplained Pro extension board is a generic extension board for the Xplained Pro platform. It connects
to any Xplained Pro standard extension header on any Xplained Pro MCU board. The extension board utilizes
all functions on the standard Xplained Pro extension header to further enhance the feature set of Xplained Pro
MCU boards.

microSD card connector
–
2GB microSD card included
–
Accessed with SPI interface

PWM
–
LED control
– PWM → Low pass filter → ADC

ADC
– PWM → Low pass filter → ADC
–
Light sensor

UART
–
Loopback interface via pin header

TWI
–
AT30TSE758 Temperature sensor with EEPROM

Xplained Pro hardware identification system
More detailed information about AT IO1:
http://www.atmel.com/images/atmel-42078-io1-xplained-pro_user-guide.pdf