port 4 only. PD (default) = Force half-duplex if auto-negotiation is
disabled or fails. PU = Force full-duplex if auto-negotiation is disabled
or fails.
PHY[5] MII collision detect/ Force flow control. See
鈥淩egister 66鈥?/div>
for
port 4 only. PD (default) = No force flow control. PU = Force flow
control.
Switch MII transmit enable
Switch MII transmit bit 3
Switch MII transmit bit 2
Switch MII transmit bit 1
Switch MII transmit bit 0
Switch MII transmit error
Switch MII transmit clock. Input in MAC mode, output in PHY mode MII.
Digital ground
3.3/2.5V digital V
DD
for digital I/O circuitry
Switch MII receive clock. Input in MAC mode, output in PHY mode MII.
Switch MII receive data valid
Switch MII receive bit 3. Strap option: PD (default) = Disable Switch MII
full-duplex flow control; PU = Enable Switch MII full-duplex flow control.
Switch MII receive bit 2. Strap option: PD (default) = Switch MII in full-
duplex mode; PU = Switch MII in half-duplex mode.
66
67
PMRXER
PCRS
Ipd/O
Ipd/O
5
5
68
PCOL
Ipd/O
5
69
70
71
72
73
74
75
76
77
78
79
80
81
Note:
1. P = Power supply
I = Input
O = Output
I/O = Bi-directional
Gnd = Ground
SMTXEN
SMTXD3
SMTXD2
SMTXD1
SMTXD0
SMTXER
SMTXC
GNDD
VDDIO
SMRXC
SMRXDV
SMRXD3
SMRXD2
Ipd
Ipd
Ipd
Ipd
Ipd
Ipd
I/O
Gnd
P
I/O
Ipd/O
Ipd/O
Ipd/O
Ipu = Input w/ internal pull-up
Ipd = Input w/ internal pull-down
Ipd/O = Input w/ internal pull-down during reset, output pin otherwise
Ipu/O = Input w/ internal pull-up during reset, output pin otherwise
PU = Strap pin pull-up
PD = Strap pin pull-down
Otri = Output tristated
NC = No Connect
December 2003
11
M9999-120403