Table 4-2. Extension Header EXT3
EXT1 Pin
SAM HA1
Pin
Function
Shared Functionality
1 [ID]
-
-
Communication line to the ID chip
on an extension board.
2 [GND]
-
-
Ground.
3 [ADC(+)]
PA06
AIN[6]
4 [ADC(-)]
PA07
AIN[7]
5 [GPIO1]
PA00
LED0
6 [GPIO2]
PA01
GPIO
DGI_GPIO3
7 [PWM(+)]
PA14
TC3/WO[0]
8 [PWM(-)]
PA15
TC3/WO[1]
9 [IRQ/GPIO]
PB16
IRQ0/GPIO
DGI_GPIO1
10 [SPI_SS_B/GPIO] PB17
GPIO
DGI_GPIO2
11 [TWI_SDA]
PA08
SERCOM2 PAD[0] I
2
C SDA
12 [TWI_SCL]
PA09
SERCOM2 PAD[1] I²C SCL
EDBG I
2
C
13 [USART_RX]
PA28
SERCOM1 PAD[1] UART RX
EDBG CDC UART RX
14 [USART_TX]
PA27
SERCOM1 PAD[0] UART TX
EDBG CDC UART TX
15 [SPI_SS_A]
PA20
SPI Master SS
16 [SPI_MOSI]
PA21
SERCOM3 PAD[3] SPI MOSI
DGI_SPI_MOSI
17 [SPI_MISO]
PA16
SERCOM3 PAD[0] SPI MISO
18 [SPI_SCK]
PA17
SERCOM3 PAD[1] SPI SCK
19 [GND]
-
-
Ground.
20 [VCC]
-
-
Power for extension board.
Table 4-3. Extension Header HV
HV Pin
SAM HA1
Pin
Function
Shared Functionality
1 [ID]
-
-
Communication line to the ID chip
on an extension board.
2 [GND]
-
-
Ground.
3 -
-
-
4 -
-
-
5 [LIN_GND]
GND
-
Ground.
6 -
-
-
7 [LIN]
LIN
LIN Bus
Atmel SAM HA1G16A Xplained Pro [USER GUIDE]
Atmel-9426A-SAM-HA1G16A-Xplained-Pro_User Guide-10/2016
12
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