LAN9313 Datasheet, PDF (319/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
13.3.3.6 Switch Engine ALR Command Status Register (SWE_ALR_CMD_STS)
Register #:
1808h
Size:
This register indicates the current ALR command status.
32 bits
BITS
DESCRIPTION
31:2 RESERVED
1 ALR Init Done
When set, indicates that the ALR table has finished being initialized by the
reset process. The initialization is performed upon any reset that resets the
switch fabric. The initialization takes approximately 20uS. During this time,
any received packet will be dropped. Software should monitor this bit before
writing any of the ALR tables or registers.
0 Make Pending
When set, indicates that the Make Entry command is taking place. This bit
is cleared once the Make Entry command has finished.
TYPE
RO
RO
SS
RO
SC
DEFAULT
-
Note 13.64
0b
Note 13.64 The default value of this bit is 0 immediately following any switch fabric reset and then self-
sets to 1 once the ALR table is initialized.
SMSC LAN9313/LAN9313i
319
DATASHEET
Revision 1.2 (04-08-08)