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Symbol
FL_CE#
FL_SCK
FL_SI
FL_SO
3.4
Miscellaneous Signals
3.4.1
LED Signals
Symbol
LED0 / LINK#
LED1 / ACT#
LED2 / LINK100#
LED3 / LINK1000#
3.4.2
Other Signals
Symbol
SDP[7:6]
SDP[1:0]
Datasheet
Type
O
FLASH Chip Enable Output. Used to enable FLASH device.
FLASH Serial Clock Output . The clock rate of the serial FLASH interface is
O
approximately 1 MHz.
O
FLASH Serial Data Input. This pin is an output to the memory device.
FLASH Serial Data Output. This pin is an input from the FLASH memory. It has an
I
internal pullup device.
Type
LED0 / LINK Up. Programmable LED indication. Defaults to indicate link
O
connectivity.
LED1 / Activity. Programmable LED indication. Defaults to flash to indicate
O
transmit or receive activity.
LED2 / LINK 100. Programmable LED indication. Defaults to indicate link at
O
100 Mbps.
LED3 / LINK 1000. Programmable LED indication. Defaults to indicate link at
O
1000 Mbps.
Type
Software Defined Pin. The Software Defined Pins are reserved and programmable
with respect to input and output capability. These default to input signals upon power-up
but may be configured differently by the EEPROM. The upper four bits may be mapped
TS
to the General Purpose Interrupt bits if they are configured as input signals.
Note: SDP5 is not included in the group of Software Defined Pins.
Networking Silicon — 82540EP
Name and Function
Name and Function
Name and Function
13
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