Atmel SAM L22 Xplained Pro, Руководство пользователя

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J901 pin SAM L22
pin Arduino pin name Function Shared functionality
8 PA03 AREF ADC / DAC VREFA EXT1
9 PB30 SDA SERCOM5 PAD[0] I²C
SDA EXT1 , EXT2 , EXT3 ,
Crypto , and EDBG I²C
10 PB31 SCL SERCOM5 PAD[1] I²C
SCL EXT1 , EXT2 , EXT3 ,
Crypto , and EDBG I²C
Table 4-9. J900 - SPI
J900 pin SAM L22
pin Arduino pin name Function Shared functionality
1 PC11 MISO SERCOM1 PAD[3] SPI
MISO SLCD and Shield
2 - 5V VCC_P5V0 -
3 PC13 SCK SERCOM1 PAD[1] SPI
SCK SLCD and Shield
4 PC12 MOSI SERCOM1 PAD[0] SPI
MOSI SLCD and Shield
5 RESETN RESET TARGET_RESET Shield , EDBG, and
Cortex Debug
6 - GND GND -
4.2.4. USB
The SAM L22 Xplained Pro has a Micro-USB connector for use with the SAM L22 USB module labeled
as TARGET USB on the kit. To be able to detect when a target USB cable is connected in self-powered
mode, a GPIO is used to detect the VBUS voltage on the connector.
Table 4-10. USB Connections
SAM L22 pin USB function
PC26 VBUS Detection
PA24 USB D-
PA25 USB D+
4.2.5. Cortex Debug Connector
SAM L22 Xplained Pro has a 10-pin 50-mil Cortex
®
Debug Connector that can be used to attach external
debuggers to the ATSAML22N18A.
Table 4-11. Cortex Debug Connector
Cortex Debug
Connector pin Pin / Net Function Shared functionality
1 VCC_TARGET_P3V3 ATSAML22N18A voltage
2 PA31 SWD data signal EDBG SWD
Atmel SAM L22 Xplained Pro [USER GUIDE]
Atmel-42474B-SAM-L22-Xplained-Pro_User Guide-12/2015
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