Datasheet

687
SAM9261 [DATASHEET]
Atmel-6062O-ATARM-SAM9261-Datasheet_21-Jun-16
Figure 38-4. SMC NCS Controlled Access
Table 38-18. SMC Write Signals with No Hold Settings (NWE Controlled Only)
Symbol Parameter
Min
Unit
1.8V VDDIOM Supply 3.3V VDDIOM Supply
1.08V VDDCORE
Supply
1.2V VDDCORE
Supply
1.08V VDDCORE
Supply
1.2V VDDCORE
Supply
SMC
37
NWE Rising to A2–A25 Valid 3.2 3.2 2.6 2.6 ns
SMC
38
NWE Rising to NBS0/A0 Valid 3.2 3.2 2.6 2.6 ns
SMC
39
NWE Rising to NBS1 Change 3.1 3.1 2.5 2.5 ns
SMC
40
NWE Rising to A1/NBS2 Change 3.3 3.3 2.7 2.7 ns
SMC
41
NWE Rising to NBS3 Change 3.1 3.1 2.5 2.5 ns
SMC
42
NWE Rising to NCS Rising 3.1 3.1 2.5 2.5 ns
SMC
43
Data Out Valid before NWE Rising
(NWE pulse
length) * t
CPMCK
-
3.8
(NWE pulse
length) * t
CPMCK
-
2.9
(NWE pulse
length) * t
CPMCK
-
2.7
(NWE pulse
length) * t
CPMCK
-
2.1
ns
SMC
44
Data Out Valid after NWE Rising 2.8 2.8 2.5 2.5 ns
SMC
45
NWE Pulse Width
NWE pulse length
* t
CPMCK
- 0.4
NWE pulse length
* t
CPMCK
- 0.3
NWE pulse length
* t
CPMCK
- 0.1
NWE pulse length
* t
CPMCK
- 0.1
ns
NRD
NCS
D0 - D15
NWE
A2-A25
A0/A1/NBS[3:0]
SMC34 SMC35
SMC10 SMC11
SMC16
SMC15
SMC22
SMC21
SMC17
SMC18
SMC14
SMC13
SMC12
SMC18
SMC17
SMC16
SMC15
SMC14
SMC13
SMC12
SMC18
SMC36
SMC16
SMC15
SMC14
SMC13
SMC12