LAN9353 Datasheet, PDF (293/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
10.7.3.6 Switch Engine ALR Command Status Register (SWE_ALR_CMD_STS)
Register #:
1808h
This register indicates the current ALR command status.
Size:
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 20 µs. During this time,
any received packet will be dropped. Software should monitor this bit before
writing any of the ALR tables or registers.
0
Operation Pending
When set, indicates that the ALR command is taking place. This bit self-
clears once the ALR command has finished.
Type
RO
RO
SS
RO
SC
Default
-
Note 19
0b
Note 19: 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.
 2015 Microchip Technology Inc.
DS00001925A-page 293