lan91c95 Standard Microsystems Corp., lan91c95 Datasheet - Page 63

• Manufacturer Part Number: lan91c95
• Description: Isa/pcmcia Full Duplex Single-chip Ethernet And Modem Controller With Ram
• Manufacturer: Standard Microsystems Corp.

LAN91C95 disables link test functions by not
generating nor monitoring the network for link
pulses. In this mode the LAN91C95 will transmit
packets regardless of the link test, the EPHSR
LINK_OK bit will be set and the LINK LED will stay
on. When low the link test functions are enabled. If
the link status indicates FAIL, the EPHSR
INT SEL1
0
0
1
1
INT SEL0
0
1
0
1
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LINK_OK bit will be low, while transmit packets
enqueued will be processed by the LAN91C95,
transmit data will not be sent out to the cable.
INT SEL1-0 - In ISA mode, used to select one out
of four interrupt pins. The three unused interrupts
are tristated.
INTERRUPT PIN USED
INTR0
INTR1
INTR2
INTR3