IA8044 Datasheet, PDF (42/49 Pages) InnovASIC, Inc – SDLC COMMUNICATIONS CONTROLLER

IA8044/IA8344
SDLC COMMUNICATIONS CONTROLLER
Waveforms
Memory Access
Program Memory Read Cycle
Data Sheet
TCY
TLHLL
TLLIV
TLLPL
ALE
PSENn
PORT_0 INSTR. IN
TPLPH
TAVLL TPLIV
A7-A0
TAZPL
TLLAX
TPXAV
TPXIZ
INSTR. IN
TPXIX
A7-A0
INSTR. IN
PORT_2 ADDRESS OR SFR-P2
TAVIV
ADDRESS A15-A8
ADDRESS A15-A8
Data Memory Read Cycle
ALE
PSENn
RDn
PORT_0
PORT_2
TLLDV
TWHLH
TLLWL
TRLRH
TAVDV
TAVWL
TLLAX
A7-A0
TRLDV
DATA IN
TRLAZ
TRHDX
TRHDZ
ADDRESS A15-A8 OR SFR-P2
Copyright © 2003
innovASIC
The End of Obsolescence™
ENG210010112-00
Page 42 of 49
www.innovasic.com
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