67 / 111 page

IP175C/IP175C LF/IP175CH/IP175CH LF
Data Sheet
67/111
Mar 09, 2007
Copyright © 2004, IC Plus Corp.
IP175C/IP175CH-DS-R14
PHY
MII
ROM
R/W
Description
Default
29
18.5
6.7
R/W Reserved
The default value must be adopted for normal operation.
0
29
18.4
6.5
R/W HASH_MODE
It is latched as Hashing algorithm selection for 1
st layer and 2nd
layer at the end of reset.
0: direct and CRC (default)
1: direct and CRC
0
AGING
Aging time of address table selection
An address tag in hashing table will be dropped if this function
is turned on and its aging timer expires. Aging =bit[4]
0: no aging
1: aging time is around 280 sec (default)
Default value
TEST2=0
TEST2=1
Pin74 P4EXT=1
Pin74 P4EXT=0
29
18.3
6.4
R/W
1
Pin65 AGING (1)
1
*