SMC91C100 Datasheet, PDF (47/83 Pages) List of Unclassifed Manufacturers – FEAST Fast Ethernet Controller

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OFFSET
A
HIGH
BYTE
0
NAME
REVISION REGISTER
0
1
1
TYPE
READ ONLY
SYMBOL
REV
0
0
1
1
LOW
BYTE
0
CHIP
1
1
CHIP Chip ID. Can be used by software drivers
to identify the device used.
REV
1
0
0
0
0
REV Revision ID. Incremented for each revision
of a given device.
CHIP ID VALUE
3
7
DEVICE
SMC91C90/SMC91C92
SMC91C100
OFFSET
C
HIGH
BYTE
0
NAME
EARLY RCV REGISTER
TYPE
READ/WRITE
SYMBOL
ERCV
0
1
1
0
0
1
1
LOW
BYTE
RCV
DISCRD
0
0
0
RCV DISCRD Set to discard a packet being
received.
ERCV THRESHOLD Threshold for ERCV
interrupt. Specified in 64 byte multiples.
ERCV THRESHOLD
1
1
1
1
1
Whenever the number of bytes written in memory
for the presently received packet exceeds the
ERCV THRESHOLD, ERCV INT bit of the
INTERRUPT STATUS REGISTER is set.
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