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When High, forces internal loopback. Disables collision and
the transmission of both data and link pulses. Pulled Low internally.
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Enables data transmission and starts the watchdog
timer. Synchronous to TCLK. Pulled Low internally.
7&/.
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A 10 MHz clock output. This clock signal should be
directly connected to the transmit clock input of the controller.
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Input signal containing NRZ data to be transmitted on the
network. TXD should be connected directly to the transmit data output of
the controller. Pulled Low internally.
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Output that drives the collision detect input of the con-
troller.
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RU Full Duplex Enable
LEDC is an open drain driver for the collision indicator pulls Low during
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Open drain driver for the receive indicator LED. LED
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Open drain driver for link integrity indicator. Output is pulled
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An output for notifying the controller that activity exists
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A recovered 10 MHz clock which is synchronous to the
received data and connected to the controller receive clock input.
5;'
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Output signal connected directly to the receive data input
of the controller.
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Controls link integrity test; enabled when LI is High, dis-
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When DSQE is High, the SQE function is disabled.
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abled for normal operation in Hub/Switch/Repeater applications. Pulled
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