Datasheet

579
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
• 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 page 578.
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