LAN9730 Datasheet, PDF (15/61 Pages) SMSC Corporation – High-Speed Inter-Chip (HSIC) USB 2.0

High-Speed Inter-Chip (HSIC) USB 2.0 to 10/100 Ethernet Controller
Datasheet
Table 2.1 MII Interface Pins (continued)
NUM PINS
NAME
SYMBOL
1
Transmit Data
0
(Internal PHY
Mode)
TXD0
Transmit Data
0
(External
PHY Mode)
TXD0
General
Purpose I/O 4
(Internal PHY
Mode Only)
GPIO4
EEPROM
Disable
Configuration
Strap
EEP_DISABLE
BUFFER
TYPE
DESCRIPTION
IS/O8
(PD)
In Internal PHY Mode, this pin can be configured
to display the respective internal MII signal.
O8
(PD)
In External PHY Mode, this pin functions as the
transmit data 0 output to the external PHY.
IS/O8/
OD8
(PU)
This General Purpose I/O pin is fully
programmable as either a push-pull output, an
open-drain output or a Schmitt-triggered input.
IS
(PD)
This strap disables the autoloading of the
EEPROM contents. The assertion of this strap
does not prevent register access to the
EEPROM.
0 = EEPROM is recognized if present.
1 = EEPROM is not recognized even if it is
present.
See Note 2.1 for more information on
configuration straps.
SMSC LAN9730/LAN9730i
15
DATASHEET
Revision 1.1 (05-13-13)