T89C51CC01 Atmel, T89C51CC01 Datasheet - Page 153

• Manufacturer Part Number: T89C51CC01
• Description: Enhanced 8-Bit Microcontroller
• Manufacturer: Atmel

External Program Memory Read Cycle
4129K–CAN–01/05
PORT 0
PORT 2
PSEN
ALE
INSTR IN
OR SFR-P2
ADDRESS
T
Table 125. AC Parameters for a Variable Clock
LHLL
T
T
LLAX
AVLL
A0-A7
Symbol
T
T
T
T
T
T
T
T
T
T
T
PLPH
LHLL
AVLL
LLAX
LLPL
PLAZ
PLIV
PXIX
PXIZ
AVIV
LLIV
T
AVIV
ADDRESS A8-A15
T
LLIV
T
LLPL
TPLAZ
T
PLIV
T
PLPH
Type
INSTR IN
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
T
PXIX
12 T
CLCL
Standard
Clock
2 T - x
4 T - x
3 T - x
3 T - x
5 T - x
T
T - x
T - x
T - x
T - x
PXIZ
x
x
T
PXAV
A0-A7
X2 Clock
0.5 T - x
0.5 T - x
0.5 T - x
1.5 T - x
1.5 T - x
0.5 T - x
2.5 T - x
2 T - x
T - x
ADDRESS A8-A15
x
x
X parameter
INSTR IN
T89C51CC01
10
15
15
30
10
20
40
40
10
0
7
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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