LAN9514_12 Datasheet, PDF (10/52 Pages) SMSC Corporation – USB 2.0 Hub and 10/100 Ethernet Controller

NUM
PINS
NAME
1
EEPROM Data
In
1
EEPROM Data
Out
1
EEPROM Chip
Select
1 ^{EEPROM Clock}
USB 2.0 Hub and 10/100 Ethernet Controller
Datasheet
Table 2.1 EEPROM Pins
SYMBOL
EEDI
EEDO
EECS
EECLK
BUFFER
TYPE
DESCRIPTION
IS
(PD)
This pin is driven by the EEDO output of the
external EEPROM.
O8
This pin drives the EEDI input of the external
EEPROM.
O8
This pin drives the chip select output of the external
EEPROM.
O8
This pin drives the EEPROM clock of the external
EEPROM.
NUM
PINS
NAME
JTAG Test Port
Reset
1
1
JTAG Test
Mode Select
1
JTAG Test Data
Input
1
JTAG Test Data
Out
1
JTAG Test
Clock
Table 2.2 JTAG Pins
SYMBOL
nTRST
TMS
BUFFER
TYPE
DESCRIPTION
IS
This active low pin functions as the JTAG test port
reset input.
Note: This pin should be tied high if it is not
used.
IS
This pin functions as the JTAG test mode select.
TDI
IS
This pin functions as the JTAG data input.
TDO
O12 This pin functions as the JTAG data output.
TCK
IS
This pin functions as the JTAG test clock.
NUM
PINS
1
NAME
System Reset
Ethernet
Full-Duplex
Indicator LED
1
General
Purpose I/O 0
Table 2.3 Miscellaneous Pins
SYMBOL
nRESET
nFDX_LED
BUFFER
TYPE
DESCRIPTION
IS
OD12
(PU)
This active low pin allows external hardware to
reset the device.
Note: This pin should be tied high if it is not
used.
This pin is driven low (LED on) when the Ethernet
link is operating in full-duplex mode.
GPIO0
IS/O12/
OD12
(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.
Revision 1.2 (02-29-12)
10
DATASHEET
SMSC LAN9514/LAN9514i