at91sam9260-cj ATMEL Corporation, at91sam9260-cj Datasheet - Page 734

• Manufacturer Part Number: at91sam9260-cj
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

41.7
Table 41-17. SMC Read Signals with Hold Settings
Notes:
Table 41-18. SMC Read Signals with no Hold Settings
734
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
Symbol
SMC
SMC
SMC
SMC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
EBI Timings
1. hold length = total cycle duration - setup duration - pulse duration. “hold length” is for “ncs rd hold length” or “nrd hold length”.
AT91SAM9260
Parameter
Data Setup before NRD High
Data Hold after NRD High
NRD High to NBS0/A0 Change
NRD High to NBS1 Change
NRD High to NBS2/A1 Change
NRD High to NBS3 Change
NRD High to A2 - A25 Change
NRD High to NCS Inactive
NRD Pulse Width
Data Setup before NCS High
Data Hold after NCS High
NCS High to NBS0/A0 Change
NCS High to NBS1 Change
NCS High to NBS2/A1 Change
NCS High to NBS3 Change
NCS High to A2 - A25 Change
NCS High to NRD Inactive
NCS Pulse Width
Parameter
Data Setup before NRD High
Data Hold after NRD High
Data Setup before NCS High
Data Hold after NCS High
First column for VDDIOM in 1.8V supply range (1.65V to 1.95V) and 30 pF load capacitance.
Second column for VDDIOM in 3.3V supply range (3.0V to 3.6V) and 50 pF load capacitance.
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
NRD Controlled (READ_MODE = 1)
NRD Controlled (READ_MODE = 1)
NCS Controlled (READ_MODE = 0)
NCS Controlled (READ_MODE = 0)
ncs rd pulse length * t
ncs rd hold length * t
ncs rd hold length * t
ncs rd hold length * t
ncs rd hold length * t
ncs rd hold length * t
nrd pulse length * t
nrd hold length * t
nrd hold length * t
nrd hold length * t
nrd hold length * t
(nrd hold length - ncs rd hold
(ncs rd hold length - nrd hold
nrd hold length * t
length) * t
length)* t
1.8V Supply
1.8V Supply
13.6
13.3
5.5
10
CPMCK
CPMCK
0
0
0
0
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
+ 3.6
CPMCK
+ 3.6
+ 0.1
+ 0.3
+ 10.2
+ 0.4
+ 3.4
- 0.3
+ 0.6
+ 0.4
+ 0.3
+ 0.5
+ 3.6
+ 8.5
Min
Min
ncs rd hold length * t
ncs rd hold length * t
ncs rd hold length * t
ncs rd hold length * t
ncs rd hold length * t
nrd pulse length * t
ncs rd pulse length * t
nrd hold length * t
nrd hold length * t
nrd hold length * t
nrd hold length * t
(nrd hold length - ncs rd hold
(ncs rd hold length - nrd hold
nrd hold length * t
length) * t
length)* t
3.3V Supply
3.3V Supply
11.3
8.4
4.4
12
CPMCK
CPMCK
0
0
0
0
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
+ 3.6
+ 3.6
CPMCK
6221G–ATARM–31-Jan-08
+ 0.2
+ 0.3
+ 10.1
+ 0.4
+ 3.4
- 0.3
+ 0.6
+ 0.4
+ 0.3
+ 0.5
+ 3.6
+ 8
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns