SAMG55 datasheet(12/25 Pages) ATMEL

12 / 25 page

Table 4-2. Extension Header EXT3

Pin on EXT3

SAM G55 pin

SAM G55 Shared

Functionality

Shared Functionality

1 [ID]

Communication line to ID chip on

extension board.

2 [GND]

GND

3 [ADC(+)]

PA19

AD2

4 [ADC(-)]

PA20

AD3

5 [GPIO1]

PA30

GPIO

6 [GPIO2]

PB15

GPIO

7 [PWM(+)]

PA01

TIOB0

8 [PWM(-)]

PB13

GPIO

9 [IRQ/GPIO]

PB03

WKUP13

10 [SPI_SS_B/GPIO]

PA15

GPIO

11 [TWI_SDA]

PB08

TWD4

12 [TWI_SCL]

PB09

TWCK4

13 [USART_RX]

PB01

USART6 RXD

EDBG (DGI USART)

14 [USART_TX]

PB00

USART0 TXD

EDBG (DGI USART)

15 [SPI_SS_A]

PA05

SPI NPCS1

16 [SPI_MOSI]

PA13

SPI MOSI

EXT1 connector (SPI MOSI)

17 [SPI_MISO]

PA12

SPI MISO

EXT1 connector (SPI MISO)

18 [SPI_SCK]

PA14

SPI SCK

EXT1 connector (SPI SCK)

19 [GND]

GND

20 [VCC]

VCC

Table 4-3. Extension Header EXT4

Pin on EXT4

SAM G55 pin

SAM G55 Peripheral

Function

Shared Functionality

1 [ID]

Communication line to ID chip on

extension board.

2 [GND]

GND

3 [ADC(+)]

4 [ADC(-)]

5 [GPIO1]

PA31

GPIO

PCK2

6 [GPIO2]

7 [PWM(+)]

Atmel SAM G55 Xplained Pro [USER GUIDE]

Atmel-42389B-SAM-G55-Xplained-Pro_User Guide-04/2016

SAMG55 Datasheet(PDF) 12 Page - ATMEL Corporation

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