Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Data Sheet

Product codes
AT91SAM9X25-EK
Page of 1151
1008
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
• FSOS: Receive Frame Sync Output Selection
• FSEDGE: Frame Sync Edge Detection
Determines which edge on Frame Sync will generate the interrupt RXSYN in the SSC Status Register.
• FSLEN_EXT: FSLEN Field Extension
Extends FSLEN field. For details, refer to FSLEN bit description on 
Value
Name
Description
0
NONE
None, RF pin is an input
1
NEGATIVE
Negative Pulse, RF pin is an output
2
POSITIVE
Positive Pulse, RF pin is an output
3
LOW
Driven Low during data transfer, RF pin is an output
4
HIGH
Driven High during data transfer, RF pin is an output
5
TOGGLING
Toggling at each start of data transfer, RF pin is an output
Value
Name
Description
0
POSITIVE
Positive Edge Detection
1
NEGATIVE
Negative Edge Detection