4.
Hardware User Guide
4.1.
Connectors
This chapter describes the implementation of the relevant connectors and headers on SAM HA1G16A
Xplained Pro and their connection to the ATSAMHA1G16A. The tables of connections in this chapter also
describes which signals are shared between the headers and on-board functionality.
4.1.1.
Xplained Pro Extension Headers
The SAM HA1G16A Xplained Pro header EXT1 offers access to the I/O of the microcontroller in order to
expand the board e.g. by connecting extensions to the board. This header is based on the standard
extension header specified in
Table 3-4
. The header has a pitch of 2.54mm.
Table 4-1. Extension Header EXT1
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(+)]
PA02
AIN[0]
4 [ADC(-)]
PA03
AIN[1]
5 [GPIO1]
PB06
GPIO
6 [GPIO2]
PB07
GPIO
7 [PWM(+)]
PA18
TC3/WO[0]
DGI_SPI_SS
8 [PWM(-)]
PA19
TC3/WO[1]
9 [IRQ/GPIO]
PA17
IRQ1/GPIO
DGI_SPI_SCK
10 [SPI_SS_B/GPIO] PA16
GPIO
DGI_SPI_MISO
11 [TWI_SDA]
PA08
SERCOM2 PAD[0] I
2
C SDA
EDBG I
2
C
12 [TWI_SCL]
PA09
SERCOM2 PAD[1] I
2
C SCL
EDBG I
2
C
13 [USART_RX]
PB11
SERCOM4 PAD[3] UART RX
14 [USART_TX]
PA10
SERCOM4 PAD[2] UART TX
15 [SPI_SS_A]
PA10
SPI Master SS
16 [SPI_MOSI]
PA04
SERCOM0 PAD[0] SPI MOSI
17 [SPI_MISO]
PA11
SERCOM0 PAD[3] SPI MISO
18 [SPI_SCK]
PA05
SERCOM0 PAD[1] SPI SCK
19 [GND]
-
-
Ground.
20 [VCC]
-
-
Power for extension board.
Atmel SAM HA1G16A Xplained Pro [USER GUIDE]
Atmel-9426A-SAM-HA1G16A-Xplained-Pro_User Guide-10/2016
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