FSOS=NONE, FSEDGE=POSITIVE
Transmit Frame Mode Register
| DATLEN | Data Length  |  
| DATDEF | Data Default Value  |  
| MSBF | Most Significant Bit First  |  
| DATNB | Data Number per Frame  |  
| FSLEN | Transmit Frame Sync Length  |  
| FSOS | Transmit Frame Sync Output Selection 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): Driven Low during data transfer 4 (HIGH): Driven High during data transfer 5 (TOGGLING): Toggling at each start of data transfer  |  
| FSDEN | Frame Sync Data Enable  |  
| FSEDGE | Frame Sync Edge Detection 0 (POSITIVE): Positive Edge Detection 1 (NEGATIVE): Negative Edge Detection  |  
| FSLEN_EXT | FSLEN Field Extension  |