at83c5132 ATMEL Corporation, at83c5132 Datasheet - Page 22

• Manufacturer Part Number: at83c5132
• Description: Usb Microcontroller With 64k Bytes Flash Memory
• Manufacturer: ATMEL Corporation

26
AT89C5132
Table 5. External IDE 16-bit Bus Cycle – Data Read AC Timings
V
Table 6. External IDE 16-bit Bus Cycle – Data Write AC Timings
V
Symbol Parameter
Symbol Parameter
DD
DD
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
WLWH
WHLH
QVWH
WHQX
RLRH
RHLH
AVDV
RLDV
RHDX
RHDZ
AVWL
CLCL
AVRL
RLAZ
CLCL
LLWL
LHLL
AVLL
LLAX
LLRL
LHLL
AVLL
LLAX
= 2.7 to 3.3V, T
= 2.7 to 3.3V, T
Clock Period
ALE Pulse Width
Address Valid to ALE Low
Address hold after ALE Low
ALE Low to WR Low
WR Pulse Width
WR High to ALE High
Address Valid to WR Low
Data Valid to WR High
Data Hold after WR High
Clock Period
ALE Pulse Width
Address Valid to ALE Low
Address hold after ALE Low
ALE Low to RD Low
RD Pulse Width
RD high to ALE High
Address Valid to Valid Data In
Address Valid to RD Low
RD Low to Valid Data
RD Low to Address Float
Data Hold After RD High
Instruction Float After RD
High
A
A
= -40° to +85°C
= -40° to +85°C
2·T
3·T
6·T
4·T
7·T
2·T
3·T
6·T
4·T
T
T
T
T
T
T
T
CLCL
CLCL
CLCL
CLCL
Min
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
Min
CLCL
CLCL
CLCL
CLCL
Standard Mode
Standard Mode
50
Variable Clock
Variable Clock
50
0
-20
-20
-20
-15
-20
-20
-20
-15
-30
-25
-30
-20
-15
-30
-25
-30
9·T
5·T
2·T
T
T
CLCL
CLCL
Max
Max
CLCL
CLCL
CLCL
0
+20
+20
-65
-30
-25
0.5·T
0.5·T
1.5·T
0.5·T
0.5·T
0.5·T
1.5·T
0.5·T
3.5·T
0.5·T
3·T
2·T
3·T
2·T
T
T
CLCL
CLCL
Min
CLCL
CLCL
Min
CLCL
CLCL
50
CLCL
CLCL
CLCL
CLCL
50
0
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
Variable Clock
Variable Clock
-15
-15
-25
-30
-25
-30
-20
-20
-30
-20
X2 Mode
-20
-20
-30
-20
-20
-15
X2 Mode
0.5·T
0.5·T
4.5·T
2.5·T
T
CLCL
Max
Max
4173CS–USB–07/04
CLCL
CLCL
CLCL
CLCL
0
-25
+20
+20
-65
-30
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns