lan91c100 Standard Microsystems Corp., lan91c100 Datasheet - Page 51

• Manufacturer Part Number: lan91c100
• Description: Feast ? Ast Ethernet Controller
• Manufacturer: Standard Microsystems Corp.

I/O SPACE - BANK3
CHIP Chip ID. Can be used by software drivers
to identify the device used.
RCV DISCRD Set to discard a packet being
received.
ERCV THRESHOLD
interrupt.
BYTE
BYTE
BYTE
BYTE
HIGH
HIGH
LOW
LOW
OFFSET
OFFSET
A
C
Specified in 64 byte multiples.
DISCRD
RCV
0
0
0
0
Threshold for ERCV
CHIP ID VALUE
0
1
0
0
EARLY RCV REGISTER
REVISION REGISTER
CHIP
3
7
NAME
NAME
1
1
1
0
51
1
1
LAN91C90/LAN91C92
1
1
REV
revision of a given device.
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.
LAN91C100
DEVICE
0
0
0
1
Revision
ERCV THRESHOLD
READ/WRITE
READ ONLY
TYPE
TYPE
0
0
0
1
ID. Incremented for each
REV
1
0
1
1
SYMBOL
SYMBOL
ERCV
REV
1
0
1
1