參數(shù)資料
型號(hào): T89C51RD2-SLRI-L
廠商: Atmel Corp.
英文描述: 0 to 40MHz Flash Programmable 8-bit Microcontroller
中文描述: 0至40MHz可編程閃存8位微控制器
文件頁數(shù): 153/170頁
文件大小: 1927K
代理商: T89C51RD2-SLRI-L
153
A/T89C51CC01
4129L–CAN–08/05
Table 125.
AC Parameters for a Variable Clock
External Program Memory Read Cycle
Symbol
Type
Standard
Clock
X2 Clock
X parameter
Units
T
LHLL
Min
2 T - x
T - x
10
ns
T
AVLL
Min
T - x
0.5 T - x
15
ns
T
LLAX
Min
T - x
0.5 T - x
15
ns
T
LLIV
Max
4 T - x
2 T - x
30
ns
T
LLPL
Min
T - x
0.5 T - x
10
ns
T
PLPH
Min
3 T - x
1.5 T - x
20
ns
T
PLIV
Max
3 T - x
1.5 T - x
40
ns
T
PXIX
Min
x
x
0
ns
T
PXIZ
Max
T - x
0.5 T - x
7
ns
T
AVIV
Max
5 T - x
2.5 T - x
40
ns
T
PLAZ
Max
x
x
10
ns
T
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
T
AVIV
T
LHLL
T
AVLL
T
LLIV
T
LLPL
T
PLPH
T
PXAV
T
PXIX
T
PXIZ
T
LLAX
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