
HW ResetDescriptionR/WNameDword
Offset
0x0Static timing adjustment in fractional
nanoseconds for outbound timestamps on the
receive datapath.
• Bits 0 to 15: Timing adjustment in fractional
nanoseconds.
• Bits 16 to 31: Not used.
RWrx_adjust_fns0xD4
0x0Static timing adjustment in nanoseconds for
outbound timestamps on the receive datapath.
• Bits 0 to 15: Timing adjustment in nanosec-
onds.
• Bits 16 to 23: Not used.
RWrx_adjust_ns0xD5
IEEE 1588v2 Feature PMA Delay
PMA digital and analog delay of hardware for the IEEE 1588v2 feature and the register timing adjustment.
1 UI is equivalent to 800 ps.
Table 6-8: IEEE 1588v2 Feature PMA Delay—Hardware
Timing Adjustment
DeviceDelay
RX registerTX register
26 UI53 UIStratix V or Arria V GZ
Digital 34 UI52 UIArria V GX, Arria V GT, or Arria V SoC
44 UI32 UICyclone V GX or Cyclone V SoC
1.75 ns-1.1 nsStratix V
Analog 1.75 ns-1.1 nsArria V
1.75 ns-1.1 nsCyclone V
Table 6-9: IEEE 1588v2 Feature LVDS I/O Delay—Hardware
Timing Adjustment
DeviceDelay
RX registerTX register
36 UI11 UIStratix V or Arria V GZ
Digital
36 UI11 UIArria V GX, Arria V GT, or Arria V SoC
PMA digital and analog delay of simulation model for the IEEE 1588v2 feature and the register timing
adjustment.
Altera Corporation
Configuration Register Space
Send Feedback
6-17
IEEE 1588v2 Feature PMA Delay
UG-01008
2014.06.30
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