Datasheet

635
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
• FSOS: Transmit Frame Sync Output Selection
• FSDEN: Frame Sync Data Enable
0 = The TD line is driven with the default value during the Transmit Frame Sync signal.
1 = SSC_TSHR value is shifted out during the transmission of the Transmit Frame Sync signal.
• FSEDGE: Frame Sync Edge Detection
Determines which edge on frame sync will generate the interrupt TXSYN (Status Register).
• FSLEN_EXT: FSLEN Field Extension
Extends FSLEN field. For details, refer to FSLEN bit description on page 634.
Value Name Description
0 NONE None, RF pin is an input
1NEGATIVE Negative Pulse, RF pin is an output
2 POSITIVE
Positive Pulse, RF pin is an output
3LOW
Driven Low during data transfer
4HIGH
Driven High during data transfer
5 TOGGLING
Toggling at each start of data transfer
Value Name Description
0 POSITIVE Positive Edge Detection
1 NEGATIVE Negative Edge Detection