Atmel SAM C21 Xplained Pro User Manual

Table 4-24 Crypto Footprints
Pin on footprint SAM C21 pin Function Shared functionality
1 - NC -
2 - NC -
3 - NC -
4 - GND -
5 PA12 [SDA] I
2
C data line EXT1, EXT2, EXT3,
Shield, and EDBG I
2
C
6 PA13 [SCL] I
2
C clock line EXT1, EXT2, EXT3,
Shield, and EDBG I
2
C
7 - NC -
8 - VCC_TARGET_P3V3 -
PADDLE - GND -
4.4. Kit Modifications
SAM C21 Xplained Pro has several resistors and jumpers that can be removed/cut to disconnect I/O pins
of the ATSAMC21J18A from connectors and on-board ICs and to disconnect/measure power to different
sections.
Table 4-25 Resistors
Designator From To Comment
R313 PA14 EXT3 pin 7 Remove when using
external crystal
R314 PA15 EXT3 pin 8 and LED
R609 RESETN RESET NET Remove to disconnect
the RESETN pin from
the reset system
Atmel SAM C21 Xplained Pro [USER GUIDE]
Atmel-42460C-SAM C21 Xplained Pro_User Guide-10/2015
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Atmel SAM C21 Xplained Pro Specifications

General

Brand	Atmel
Model	SAM C21 Xplained Pro
Category	Motherboard
Language	English