LAN9353 Datasheet, PDF (308/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
10.7.3.20 Switch Engine Port State Register (SWE_PORT_STATE)
Register #:
1843h
Size:
This register is used to configure the per port spanning tree state.
32 bits
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
DS00001925A-page 308
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