LAN9303MI-AKZE Datasheet, PDF (310/386 Pages) SMSC Corporation – Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
13.4.3.19 Switch Engine Port State Register (SWE_PORT_STATE)
Register #:
1843h
Size:
32 bits
This register is used to configure the per port spanning tree state.
BITS
DESCRIPTION
31:6 RESERVED
5:4 Port State Port 2
These bits specify the spanning tree port states for Port 2.
00 = Forwarding
01 = Listening/Blocking
10 = Learning
11 = Disabled
3:2 Port State Port 1
These bits specify the spanning tree port states for Port 1.
00 = Forwarding
01 = Listening/Blocking
10 = Learning
11 = Disabled
1:0 Port State Port 0
These bits specify the spanning tree port states for Port 0.
00 = Forwarding
01 = Listening/Blocking
10 = Learning
11 = Disabled
TYPE
RO
R/W
DEFAULT
-
00b
R/W
00b
R/W
00b
Revision 1.5 (07-08-11)
310
DATASHEET
SMSC LAN9303M/LAN9303Mi