Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet

Atmel

Product codes

AT91SAM9G25-EK

775

SAM9G25 [DATASHEET]

11032C–ATARM–25-Jan-13

39.5

I/O Lines Description

Table 39-2. I/O Line Description

Name

Description

Type

Active Level

SCK

Serial Clock

I/O

TXD

Transmit Serial Data

or Master Out Slave In (MOSI) in SPI Master Mode

or Master In Slave Out (MISO) in SPI Slave Mode

I/O

RXD

Receive Serial Data

or Master In Slave Out (MISO) in SPI Master Mode

or Master Out Slave In (MOSI) in SPI Slave Mode

Input

CTS

Clear to Send

or Slave Select (NSS) in SPI Slave Mode

Input

Low

RTS

Request to Send

or Slave Select (NSS) in SPI Master Mode

Output

Low