Power Header - Atmel PROTO1 Xplained Pro User Manual

Pin number
9
10
11
12
13
14
15
16
17
18
19
20
3.2.2

Power header

The right-angled female power header (marked PWR) will connect to a similar header if the PROTO1 Xplained
Pro is connected to the EXT1 extension header on the the Xplained Pro MCU board. It can be used to power
the Xplained Pro MCU board from an external source or to get internal power from the Xplaiend Pro MCU
board to the PROTO1 Xplained Pro
Name
IRQ/GPIO
SPI_SS_B/GPIO
TWI_SDA
TWI_SCL
USART_RX
USART_TX
SPI_SS_A
SPI_MOSI
SPI_MISO
SPI_SCK
GND
VCC
Description
Interrupt request line and/or general purpose I/O.
Slave select for SPI and/or general purpose I/O.
Data line for two-wire interface. Always implemented, bus
type.
Clock line for two-wire interface. Always implemented, bus
type.
Receiver line of Universal Synchronous and Asynchronous
serial Receiver and Transmitter.
Transmitter line of Universal Synchronous and
Asynchronous serial Receiver and Transmitter.
Slave select for SPI. Should be unique if possible.
Master out slave in line of Serial peripheral interface. Always
implemented, bus type.
Master in slave out line of Serial peripheral interface. Always
implemented, bus type.
Clock for Serial peripheral interface. Always implemented,
bus type.
Ground.
Power for extension board.
Atmel PROTO1 Xplained Pro [USER GUIDE] 7
42080B-MCU-10/2013