Atmel SAM4S Xplained Pro Starter and Evaluation Kit ATSAM4S-XPRO ATSAM4S-XPRO Data Sheet
Product codes
ATSAM4S-XPRO
Atmel SAM4S Xplained Pro [USER GUIDE]
Atmel-42075B-MCU-Atmel SAM4S Xplained Pro-USER GUIDE-03/2013
12
Pin on EXT2
SAM4S pin
Function
Shared functionality
8
PA20
PWML1
9
PC26
GPIO
10
PC27
GPIO
11
PA3
TWD0
EXT1 and EDBG
12
PA4
TWCK0
EXT1 and EDBG
13
PA21
USART1/RXD1
EXT1
14
PA22
USART1/TXD1
EXT1
15
PA9
SPI/NPCS[1]
LCD connector (EXT4)
16
PA13
SPI/MOSI
EXT1, EXT3, LCD connector (EXT4) and
EDBG
17
PA12
SPI/MISO
EXT1, EXT3, LCD connector (EXT4) and
EDBG
18
PA14
SPI/SPCK
EXT1, EXT3, LCD connector (EXT4) and
EDBG
19
-
-
GND
20
-
-
VCC
Table 4.3. Extension header EXT3
Pin on EXT3
SAM4S pin
Function
Shared functionality
1
-
-
Communication line to ID chip on
extension board.
2
-
-
GND
3
PC29
AD[13]
4
PC30
AD[14]
5
PC21
GPIO
6
PC22
GPIO
DGI_GPIO1 on EDBG
7
PC20
PWMH2
8
PA16
PWML2
PIOD Header
9
PA0
WKUP0/GPIO
LCD connector (EXT4)
10
PC31
GPIO
11
PB4
TWD1
LCD connector (EXT4)
12
PB5
TWCK1
LCD connector (EXT4)
13
PB2
USART1/RXD1
CDC UART
14
PB3
USART1/TXD1
CDC UART
15
PA10
SPI/NPCS[2]
LCD connector (EXT4)
16
PA13
SPI/MOSI
EXT1, EXT2, LCD connector (EXT4) and
EDBG
17
PA12
SPI/MISO
EXT1, EXT2, LCD connector (EXT4) and
EDBG
18
PA14
SPI/SPCK
EXT1, EXT2, LCD connector (EXT4) and
EDBG
19
-
-
GND
20
-
-
VCC
4.1.2
LCD extension connector
Extension connector EXT4 is a special connector for LCD displays. The physical connector is an Omron
Electronics XF2M-5015-1A FPC connector.