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EXT5 pin
SAM L22 pin
Function
Shared functionality
44 [COM5]
PA08
SLCD/ LP[11]
45 [COM6]
PA09
SLCD/ LP[12]
46 [COM7]
PA10
SLCD/ LP[13]
47 [Backlight V
+]
-
VCC_P3V3
48 [Backlight
V-]
-
GND
49 [Backlight
CTRL]
PC27
TC3/WO[1]
50 [ID]
-
Xplained Pro ID Communication line to ID chip on extension board
51 [GND]
-
GND
4.2.3.
Arduino Connector Footprint
SAM L22 Xplained Pro implements Arduino shield connectors footprints based on the
. All
references to Arduino pin names are taken from the official Arduino
Info:
Note that all pins do not have the exact same functionality as on the Arduino Uno on the
shield connectors. Each shield should be checked for compatibility before it is connected.
Table 4-5. J902 - Power
J902 pin
SAM L22
pin
Arduino pin name
Function
Shared functionality
1
-
RFU
-
-
2
-
IOREF
VCC_TARGET_P3V3
-
3
RESETN
RESET
TARGET_RESET
, EDBG, and
4
-
3.3V
VCC_TARGET_P3V3
-
5
-
5V
VCC_P5V0
-
6
-
GND
GND
-
7
-
GND
GND
-
8
-
VIN
VCC_EXT_P5V0
-
Atmel SAM L22 Xplained Pro [USER GUIDE]
Atmel-42474B-SAM-L22-Xplained-Pro_User Guide-12/2015
21