LAN9115_05 Datasheet, PDF (45/131 Pages) SMSC Corporation – Highly Efficient Single- Chip 10/100 Non-PCI Ethernet Controller

Highly Efficient 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
SMSC LAN9115
Figure 3.12 MII Switching Procedure
45
DATASHEET
Revision 1.1 (05-17-05)