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AT89C5122D-RDRUM 数据表(PDF) 194 Page - ATMEL Corporation

部件名 AT89C5122D-RDRUM
功能描述  C51 Microcontroller with USB and Smart Card Reader Interfaces
PDF  208 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

AT89C5122D-RDRUM 数据表(HTML) 194 Page - ATMEL Corporation

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194
AT83R5122, AT8xC5122/23
4202F–SCR–07/2008
Table 117.
AC Parameters for a Variable Clock
(warning x value differ from AT89C51RD2)
External Data Memory Write
Cycle
Symbol
Type
Standard
Clock
X2 Clock
X parameter
Units
TRLRH
Min
6T - x
3 T - x
20
ns
TWLWH
Min
6T - x
3 T - x
20
ns
TRLDV
Max
5T - x
2.5 T - x
25
ns
TRHDX
Min
x
x
0
ns
TRHDZ
Max
2T - x
T - x
20
ns
TLLDV
Max
8T - x
4T - x
40
ns
TAVDV
Max
9T - x
4.5 T - x
60
ns
TLLWL
Min
3T - x
1.5 T - x
25
ns
TLLWL
Max
3T + x
1.5 T + x
25
ns
TAVWL
Min
4T - x
2 T - x
25
ns
TQVWX
Min
T - x
0.5 T - x
15
ns
TQVWH
Min
7 T - x
3.5 T - x
25
ns
TWHQX
Min
T - x
0.5 T - x
10
ns
TRLAZ
Max
x
x
0
ns
TWHLH
Min
T - x
0.5 T - x
15
ns
TWHLH
Max
T - x
0.5 T + x
15
ns
TQVWH
TLLAX
ALE
PSEN
WR
PORT 0
PORT 2
A0-A7
DATA OUT
ADDRESS
OR SFR-P2
TAVWL
TLLWL
TQVWX
ADDRESS A8-A15 OR SFR P2
TWHQX
TWHLH
TWLWH



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