| 7 |
SysRef_Rcvr_En |
R/W |
1 |
Default: 1
0 : SYSREF receiver is disabled.
1 : SYSREF receiver is enabled (default) |
| 6 |
SysRef_Pr_En |
R/W |
1 |
To power down the SYSREF receiver, clear this bit first, then clear SysRef_Rcvr_En. To power up the SYSREF receiver, set SysRef_Rcvr_En first, then set this bit.
Default: 1
0 : SYSREF Processor is disabled.
1 : SYSREF Processor is enabled (default) |
| 5 |
SysRefDetClr |
R/W |
0 |
Default: 0
Write a 1 and then a 0 to clear the SysRefDet status bit. |
| 4 |
Clear Dirty Capture |
R/W |
0 |
Default: 0
Write a 1 and then a 0 to clear the DC status bit. |
| 3 |
RESERVED |
R/W |
0 |
Default: 0 |
| 2 |
DC_LVPECL_CLK_en |
R/W |
0 |
Default: 0
Set this bit if DEVCLK is a DC-coupled LVPECL signal through a 50-Ω resistor. |
| 1 |
DC_LVPECL_SYSREF_en |
R/W |
0 |
Default: 0
Set this bit if SYSREF is a DC-coupled LVPECL signal through a 50-Ω resistor. |
| 0 |
DC_LVPECL_SYNC_en |
R/W |
0 |
Default: 0
Set this bit if SYNC~ is a DC-coupled LVPECL signal through a 50-Ω resistor. |