AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 168

• Manufacturer Part Number: AT83EC5123
• Description: (AT8xx512x) Smart Card Reader ICs
• Manufacturer: ATMEL Corporation

External Program Memory Read Cycle
168
AT8xC5122/23
PORT 2
PORT 0
PSEN
ALE
INSTR IN
OR SFR-P2
ADDRESS
T
Table 127. 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
AVLL
LLAX
PLPH
PLAZ
LHLL
LLPL
PXIX
PXIZ
AVIV
LLIV
PLIV
T
ADDRESS A8-A15
AVIV
T
LLIV
T
T
LLPL
TPLAZ
PLIV
T
PLPH
INSTR IN
T
Type
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
PXIX
12 T
CLCL
Standard
Clock
2 T - x
4 T - x
3 T - x
3 T - x
5 T - x
T - x
T - x
T - x
T - x
T
PXIZ
x
x
T
A0-A7
PXAV
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
ADDRESS A8-A15
2 T - x
T - x
x
x
INSTR IN
X parameter
10
15
15
30
10
20
40
40
10
0
7
4202B–SCR–07/03
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns