COM20022I_06 Datasheet, PDF (82/82 Pages) SMSC Corporation – 10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Board RAM

10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Board RAM
Datasheet
Chapter 11 Appendix B: Example of Interface
Circuit Diagram to ISA Bus
ISA Bus
AEN
SA15-
SD15-
LS688x
nG
12 bit
Comparator
P
Q
I/O Address Seeting (DIP
P=Q
12
12
LS245x
A
16 bit
Transceiver
A
B
16
16
DIR
nG
nIOR
nIOW
SA2-
3
3
IRQm
5V
nIOCS16
DRQn
nDACK
TC
nREFRES
RESETDR
Schmitt-Trigger
Open-Collector
COM2002I
nCS
D15-D0
nRD
nWR
A2-A0
nINTR
nIOCS16
DREQ
nDACK
TC
nREFEX
nRESET
Revision 02-27-06
Page 82
DATASHEET
SMSC COM20022I