TS80C52X2
Table 26. AC Parameters for a Variable Clock
Symbol
Type
Standard X2 Clock
Clock
-M
-V
-L
Units
T
Min
Min
Min
Max
Min
Min
Max
Min
Max
Min
Max
Max
2 T - x
T - x
T - x
4 T - x
T - x
3 T - x
3 T - x
x
T - x
0.5 T - x
0.5 T - x
2 T - x
0.5 T - x
1.5 T - x
1.5 T - x
x
10
15
15
30
15
15
50
0
8
10
10
22
10
5
40
30
30
75
30
45
90
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
LHLL
T
AVLL
T
LLAX
T
LLIV
LLPL
PLPH
T
T
T
25
0
PLIV
T
PXIX
T
T - x
T - x
5 T - x
x
0.5 T - x
0.5 T - x
2.5 T - x
x
7
5
20
20
105
10
PXIZ
T
7
5
PXAV
T
40
10
30
10
AVIV
T
PLAZ
10.4.3 External Program Memory Read Cycle
12 T
CLCL
T
T
LLIV
LHLL
ALE
PSEN
T
LLPL
T
PLPH
T
PXAV
T
T
LLAX
T
T
PXIZ
PLIV
AVLL
T
TPLAZ
PXIX
PORT 0
PORT 2
INSTR IN
A0-A7
INSTR IN
A0-A7
INSTR IN
T
AVIV
ADDRESS
OR SFR-P2
ADDRESS A8-A15
ADDRESS A8-A15
Figure 17. External Program Memory Read Cycle
Rev. B - Jan. 25, 1999
45
Preliminary
TEMIC [ TEMIC SEMICONDUCTORS ]
