IA80C152_10 Datasheet, PDF (44/61 Pages) InnovASIC, Inc – Universal Communications Controller

IA80C152
Universal Communications Controller
Data Sheet
July 29, 2010
ALE
PSENn/EPSENn
TLHLL
TAVLL
TLLPL
TLLIV
TPLIV
TPLPH
PORT0/PORT5
TPLAZ
TLLAX
A0-A7
INSTR IN
TPXIZ
TPXIX
A0-A7
PORT2/PORT6
TAVIV
A8-A15
A8-A15
Figure 6. External Program Memory Read Cycle
ALE
PSENn
RDn
PORT 0
PORT 2
TLLDV
TWHLH
TLLWL
TRLRH
TLLAX
TRLAZ
TAVLL
TRLDV
A0-A7 FROM R OR DPL
DATA IN
TAVWL
TAVDV
P2.0–P2.7 OR A8–A15 FROM DPH
TRHDZ
TRHDX
A0-A7 FROM PCL
INSTR. IN
A8–A15 FROM PCH
Figure 7. External Data Memory Read Cycle
®
IA211040524-06
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