15 1588 clock addend register (1588_clock_addend), 1588 clock addend register (1588_clock_addend), 1 5 8 8 c l o c k a d d e n d r e g i s t e r – SMSC LAN9312 User Manual
Page 215: 1588_clock_addend), Section 14.2.5.15, 1588 clock addend register, Accordingly, Datasheet
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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
215
Revision 1.4 (08-19-08)
DATASHEET
14.2.5.15
1588 Clock Addend Register (1588_CLOCK_ADDEND)
This read/write register is responsible for adjusting the 64-bit 1588 Clock frequency. Refer to
Chapter 11, "IEEE 1588 Hardware Time Stamp Unit," on page 154
for details on how to properly use
this register.
Offset:
178h
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:0
Clock Addend (CLOCK_ADDEND)
This 32-bit value is added to the 1588 frequency divisor accumulator every
cycle. This allows the base 100MHz frequency of the 64-bit 1588 Clock to
be adjusted accordingly.
R/W
00000000h
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