LAN9215I_07 Datasheet, PDF (45/138 Pages) SMSC Corporation – Highly Efficient Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX and Industrial Temperature Support

Highly Efficient Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX and Industrial Temperature Support
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 LAN9215i
Figure 3.11 MII Switching Procedure
45
DATASHEET
Revision 1.93 (12-12-07)