LAN9117_08 Datasheet, PDF (46/136 Pages) SMSC Corporation – High Performance Single-Chip 10/100 Non-PCI Ethernet Controller

High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
Using SMI, Set
1
Internal PHY and
External PHY to a
Stable State
2 ^{Halt Transmitter}
Set
8 EXT_PHY_SEL to
Desired MII Port
Set
9 ^{PHY_CLK_SEL to}
Desired MII Port
3 TX Stopped?
NO
YES
4 ^{Halt Receiver}
5 ^{RX Stopped?}
NO
YES
Set
PHY_CLK_SEL
6
to 10b
10
Clocks
Running
NO
YES
11
Enable RX
12
Enable TX
13
Complete
7 Clocks Halted?
NO
YES
Revision 1.5 (07-11-08)
Figure 3.12 MII Switching Procedure
46
DATASHEET
SMSC LAN9117