Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Data Sheet
Product codes
ATSAM4S-XPLD
583
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
• 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
Value
Name
Description
0
NONE
None, TF pin is an input
1
NEGATIVE
Negative Pulse, TF pin is an output
2
POSITIVE
Positive Pulse,TF pin is an output
3
LOW
TF pin Driven Low during data transfer
4
HIGH
TF pin Driven High during data transfer
5
TOGGLING
TF pin Toggles at each start of data transfer
Value
Name
Description
0
POSITIVE
Positive Edge Detection
1
NEGATIVE
Negative Edge Detection