SMC Networks SMC91C95 Product Manual page 16

PIN NO. NAME
125 AUI Collision
126
121 TPE Receive
122
4 TPE
Transmit
6
5 TPE
Transmit
7
Delayed
114 Powerdown
Transmit
Clock
99 nWakeup
Enable
100 Wakeup
118 Bias
Resistor
DESCRIPTION OF PIN FUNCTIONS
SYMBOL TYPE
COLP Diff. Input
COLN
TPERXP Diff. Input
TPERXN
TPETXP Diff. Output
TPETXN
TPETXDP Diff. Output
TPETXDN
PWRDWN I with pullup
TXCLK
nWAKEUP- I with pullup
EN
WAKEUP O4
RBIAS Analog Input
16
DESCRIPTION
AUI collision differential inputs. A collision is
indicated by a 10 MHz signal at this input pair.
10BASE-T receive differential inputs.
Internal ENDEC - 10BASE-T
differential outputs.
10BASE-T delayed transmit
outputs. Used in combination with TPETXP
and TPETXN to generate the 10BASE-T
transmit pre-distortion.
Internal ENDEC - Powerdown input. It keeps
the SMC91C95 in powerdown mode when
high (open). Must be low for normal operation.
Refer to the Powerdown Matrix following for
further details.
External ENDEC - Transmit clock input from
external ENDEC
Input. When pulled down, the device will
enable Magic Packet (MP) logic and put the
Ethernet function in powerdown mode. The
pin assertion will override the state of
WAKEUP_EN and PWRDN bits in CTR,
Pwrdwn bit in ECSR, and Enable Function bit
ECOR. When deasserted, the WAKEUP_EN
and PWRDN bits will be changed to (0),
Pwrdwn to (0), and Enable Function to (1).
Output. Asserted high if nWAKEUP_EN is
asserted and a valid Magic Packet (MP)
pattern is detected. The pin remains asserted
until nWAKEUP_EN is deasserted.
A 22 kohm 1% resistor should be connected
between this pin and analog ground.
transmit
differential