LAN9313 Datasheet, PDF (181/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
13.1.4.18 1588 Clock Target Reload High-DWORD Register (1588_CLOCK_TARGET_RELOAD_HI)
Offset:
184h
Size:
32 bits
This read/write register combined with 1588 Clock Target Reload/Add Low-DWORD Register
(1588_CLOCK_TARGET_RELOAD_LO) form the 64-bit 1588 Clock Target Reload value. The 1588
Clock Target Reload is the value that is reloaded to the 1588 Clock Compare value when a clock
compare event occurs and the Reload/Add (RELOAD_ADD) bit of the 1588 Configuration Register
(1588_CONFIG) is set. Refer to Chapter 10, "IEEE 1588 Hardware Time Stamp Unit," on page 134 for
additional information.
BITS
DESCRIPTION
31:0 Clock Target Reload High (CLOCK_TARGET_RELOAD_HI)
This field contains the high 32-bits of the 64-bit 1588 Clock Target Reload
value that is reloaded to the 1588 Clock Compare value.
TYPE
R/W
DEFAULT
00000000h
Note: Both this register and the 1588 Clock Target Reload/Add Low-DWORD Register
(1588_CLOCK_TARGET_RELOAD_LO) must be written for either to be affected.
SMSC LAN9313/LAN9313i
181
DATASHEET
Revision 1.2 (04-08-08)