AT87F52-12AI ATMEL Corporation, AT87F52-12AI Datasheet - Page 18
AT87F52-12AI
Manufacturer Part Number
AT87F52-12AI
Description
8-Bit Microcontroller with 8K Bytes QuickFlash
Manufacturer
ATMEL Corporation
Datasheet
1.AT87F52-12AI.pdf
(22 pages)
- Current page: 18 of 22
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External Program Memory Read Cycle
External Data Memory Read Cycle
18
PORT 0
PORT 2
PORT 0
PORT 2
PSEN
PSEN
ALE
ALE
RD
A0 - A7 FROM RI OR DPL
t
AT87F52
LHLL
t
AVLL
t
AVLL
P2.0 - P2.7 OR A8 - A15 FROM DPH
t
LHLL
t
AVWL
t
LLAX
t
A0 - A7
AVDV
t
LLAX
t
LLWL
t
t
RLAZ
LLPL
t
t
LLDV
AVIV
A8 - A15
t
PLAZ
t
RLRH
t
RLDV
DATA IN
t
t
LLIV
PLIV
INSTR IN
t
PXIX
t
PXIZ
t
A0 - A7 FROM PCL
t
t
RHDZ
t
t
PLPH
PXAV
RHDX
WHLH
A8 - A15 FROM PCH
A8 - A15
A0 - A7
INSTR IN
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