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T89C51RD2-RDTIL 数据表(PDF) 87 Page - ATMEL Corporation

部件名 T89C51RD2-RDTIL
功能描述  0 to 40 MHz Flash Programmable 8-bit Microcontroller
PDF  104 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

T89C51RD2-RDTIL 数据表(HTML) 87 Page - ATMEL Corporation

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T89C51RD2
4243G–8051–05/03
External Program Memory
Read Cycle
Table 47. AC Parameters for a Variable Clock
Symbol
Type
Standard Clock
X2 Clock
X parameter for -
M range
X parameter for -
L range
Units
T
LHLL
Min
2 T - x
T - x
10
10
ns
T
AVLL
Min
T - x
0.5 T - x
15
15
ns
T
LLAX
Min
T - x
0.5 T - x
15
15
ns
T
LLIV
Max
4 T - x
2 T - x
30
30
ns
T
LLPL
Min
T - x
0.5 T - x
10
10
ns
T
PLPH
Min
3 T - x
1.5 T - x
20
20
ns
T
PLIV
Max
3 T - x
1.5 T - x
40
40
ns
T
PXIX
Min
x
x
0
0
ns
T
PXIZ
Max
T - x
0.5 T - x
7
7
ns
T
AVIV
Max
5 T - x
2.5 T - x
40
40
ns
T
PLAZ
Max
x
x
10
10
ns
TPLIV
TPLAZ
ALE
PSEN
PORT 0
PORT 2
A0-A7
A0-A7
INSTR IN
INSTR IN
INSTR IN
ADDRESS
OR SFR-P2
ADDRESS A8-A15
ADDRESS A8-A15
12 T
CLCL
TAVIV
TLHLL
T
AVLL
TLLIV
TLLPL
T
PLPH
T
PXAV
TPXIX
T
PXIZ
TLLAX



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