LAN9353 Datasheet, PDF (428/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
15.8.7 1588 CLOCK SUB-NANOSECONDS REGISTER (1588_CLOCK_SUBNS)
Offset:
Bank:
118h
na
Size:
32 bits
This register contains the sub-nanoseconds portion of the 1588 Clock. It is used to read the 1588 Clock following the
setting of the Clock Read (1588_CLOCK_READ) bit in the 1588 Command and Control Register (1588_CMD_CTL) and
to directly change the 1588 Clock when the Clock Load (1588_CLOCK_LOAD) bit is set.
Bits
Description
31:0 Clock Sub-NanoSeconds (1588_CLOCK_SUBNS)
This field contains the sub-nanoseconds portion of the 1588 Clock.
Type
R/W
Default
00000000h
Note: The value read is the saved value of the 1588 Clock when the Clock Read (1588_CLOCK_READ) bit in the
1588 Command and Control Register (1588_CMD_CTL) is set.
DS00001925A-page 428
 2015 Microchip Technology Inc.