LAN91C100 Datasheet, PDF (10/101 Pages) SMSC Corporation – FEAST™ Fast Ethernet Controller

DESCRIPTION OF PIN FUNCTIONSOF PIN FUNCTIONSPIN FUNCTIONS
PQFP/TQFP
PIN NO.
198
NAME
Manage-
ment Data
Input
SYMBOL
MDI
BUFFER
TYPE
IP
DESCRIPTION
MII management data input.
196
Manage- MDO
ment Data
Output
O4 MII management data output.
192
Manage- MCLK
ment Clock
O4 MII management clock.
11
Receive
RX_ER
Error
ID
Input. Indicates a code error detected by
PHY. Used by the LAN91C100 to discard
the packet being received. The error
indication reported for this event is the same
as a bad CRC (Receive Status Word bit 13).
This pin is ignored when MIISEL is low.
204
Bias
RBIAS
Resistor
Analog A bias resistor is connected between this pin
Input and ground. Nominal value is TBD.
7
nChip
nCSOUT
Select
Output
O4 Output. Chip Select provided for mapping
of PHY functions into LAN91C100 decoded
space. Active on accesses to LAN91C100's
eight lower addresses when the BANK
SELECTED is 7.
10