Datasheet

685
SAM9261 [DATASHEET]
Atmel-6062O-ATARM-SAM9261-Datasheet_21-Jun-16
Note: 1. hold length = total cycle duration - setup duration - pulse duration. “hold length” is for “ncs rd hold length” or “nrd hold
length”.
NCS Controlled (READ_MODE = 0)
SMC
10
Data Setup before NCS High 16.5 12.7 13.6 10.6 ns
SMC
11
Data Hold after NCS High 0 0 0 0 ns
SMC
12
NCS High to NBS0/A0 Change
(1)
ncs rd hold length
* t
CPMCK
- 2.6
ncs rd hold length
* t
CPMCK
- 1.8
ncs rd hold length
* t
CPMCK
- 2.6
ncs rd hold length
* t
CPMCK
- 1.8
ns
SMC
13
NCS High to NBS1 Change
(1)
ncs rd hold length
* t
CPMCK
- 2.4
ncs rd hold length
* t
CPMCK
- 1.7
ncs rd hold length
* t
CPMCK
- 2.5
ncs rd hold length
* t
CPMCK
- 1.8
ns
SMC
14
NCS High to NBS2/A1 Change
(1)
ncs rd hold length
* t
CPMCK
- 2.5
ncs rd hold length
* t
CPMCK
- 1.7
ncs rd hold length
* t
CPMCK
- 2.6
ncs rd hold length
* t
CPMCK
- 1.8
ns
SMC
15
NCS High to NBS3 Change
(1)
ncs rd hold length
* t
CPMCK
- 2.6
ncs rd hold length
* t
CPMCK
- 1.9
ncs rd hold length
* t
CPMCK
- 2.6
ncs rd hold length
* t
CPMCK
- 1.9
ns
SMC
16
NCS High to A2–A25 Change
(1)
ncs rd hold length
* t
CPMCK
- 3.5
ncs rd hold length
* t
CPMCK
- 2.6
ncs rd hold length
* t
CPMCK
- 3.6
ncs rd hold length
* t
CPMCK
- 2.6
ns
SMC
17
NCS High to NRD Inactive
(1)
(ncs rd hold
length - nrd hold
length) * t
CPMCK
-
2.9
(ncs rd hold
length - nrd hold
length) * t
CPMCK
-
2.1
(ncs rd hold
length - nrd hold
length) * t
CPMCK
-
2.9
(ncs rd hold
length - nrd hold
length) * t
CPMCK
-
2.1
ns
SMC
18
NCS Pulse Width
ncs rd pulse
length * t
CPMCK
-
2.7
ncs rd pulse
length * t
CPMCK
-
2.0
ncs rd pulse
length * t
CPMCK
-
2.5
ncs rd pulse
length * t
CPMCK
-
1.8
ns
Table 38-16. SMC Read Signals with No Hold Settings
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
NRD Controlled (READ_MODE = 1)
SMC
19
Data Setup before NRD High 16.1 12.4 13.1 10.2 ns
SMC
20
Data Hold after NRD High 0 0 0 0 ns
NCS Controlled (READ_MODE = 0)
SMC
21
Data Setup before NCS High 19.0 14.5 16.0 12.3 ns
SMC
22
Data Hold after NCS High 0 0 0 0 ns
Table 38-15. SMC Read Signals with Hold Settings (Continued)
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