P89V51RD2 Philips Semiconductors, P89V51RD2 Datasheet - Page 66
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P89V51RD2
Manufacturer Part Number
P89V51RD2
Description
8-bit 80C51 5 V low power 64 kB Flash microcontroller with 1 kB RAM
Manufacturer
Philips Semiconductors
Datasheet
1.P89V51RD2.pdf
(75 pages)
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Philips Semiconductors
Table 69:
9397 750 12964
Product data
Symbol
1/T
t
t
CLCL
CHCX
Fig 31. External data memory read cycle.
Fig 32. External data memory write cycle.
CLCL
External clock drive
PORT 0
PORT 2
PORT 0
PORT 2
PSEN
PSEN
ALE
ALE
WR
WR
Parameter
oscillator frequency
high time
t LHLL
t LHLL
A0-A7 FROM RI or DPL
A0-A7 FROM RI or DPL
t AVLL
t AVLL
P2[7:0] or A8-A15 FROM DPH
t AVWL
P2[7:0] or A8-A15 FROM DPH
t AVWL
t LLAX
t LLAX
t LLWL
t LLWL
Rev. 01 — 01 March 2004
Oscillator
40 MHz
Min
-
25
8.75
t QVWH
t QVWH
DATA OUT
DATA OUT
t WLWH
t WLWH
Max
-
-
-
t WHQX
t WHQX
8-bit microcontrollers with 80C51 core
t WHLH
t WHLH
A0-A7 FROM PCL
A0-A7 FROM PCL
Variable
Min
0
-
0.35T
A8-A15 FROM PCH
A8-A15 FROM PCH
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
CLCL
P89V51RD2
002aaa550
002aaa549
Max
40
-
0.65T
INSTR IN
INSTR IN
CLCL
Unit
MHz
ns
ns
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