p87c51mc2ba/02 NXP Semiconductors, p87c51mc2ba/02 Datasheet - Page 24

• Manufacturer Part Number: p87c51mc2ba/02
• Description: 80c51 8-bit Microcontroller Family With Extended Memory
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 12302
Product data
Fig 4. External program memory read cycle (extended memory cycle).
Fig 5. External data memory read cycle.
PORT 0
PORT 2
PORT 0
PORT 2
PSEN
PSEN
ALE
ALE
RD
t AVWL
t AVLL
t AVLL
t LHLL
t LLAX
t LLAX
t LLPL
P2.0-P2.7 OR
A16-A22,P2.7
P2.0-P2.7 OR
A16-A22,P2.7
A8-A15 OR
A8-A15 OR
A0-A7
A0-A7
t LLWL
t RLAZ
t AVIV
t AVDV
t PLAZ
t LLDV
t LLIV
P2.0-P2.7 OR A8-A15
Rev. 03 — 13 November 2003
t PLIV
t AVDV1
t AVIV1
P2.0-P2.7 OR A8-A15
t AVWL1
t PLPH
t RLDV
t RLRH
P87C51MB2/P87C51MC2
INSTR IN
DATA in
t RHDX
t PXIX
t WHLH
80C51 8-bit microcontroller family
t RHDZ
A0-A7 FROM PCL
t PXIZ
A0-A7
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
002aaa151
002aaa150
INSTR IN
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