at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 1007

• Manufacturer Part Number: at91sam9263
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

46.7.3
46.7.3.1
Table 46-20. SMC Read Signals - NRD Controlled (READ_MODE = 1)
Table 46-21. SMC Read Signals - NCS Controlled (READ_MODE = 0)
6249D–ATARM–20-Dec-07
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC
Symbol
SMC
SMC
SMC
SMC
1
2
3
4
5
6
7
8
9
10
11
EBI 1 timings
Read Timings
Parameter
Data Setup before NRD High
Data Hold after NRD High
Data Setup before NRD High
Data Hold after NRD High
A2 - A25 Valid before NRD High
NCS low before NRD High
NRD Pulse Width
Parameter
Data Setup before NCS High
Data Hold after NCS High
Data Setup before NCS High
Data Hold after NCS High
NBS0/A0, NBS1, NBS2/A1, NBS3,
VDDCORE supply
VDDCORE supply
VDDIOM supply
VDDIOM supply
HOLD or NO HOLD SETTINGS (nrd hold ≠ 0, nrd hold =0)
NO HOLD SETTINGS (ncs rd hold = 0)
NO HOLD SETTINGS (nrd hold = 0)
HOLD SETTINGS (ncs rd hold ≠ 0)
HOLD SETTINGS (nrd hold ≠ 0)
nrd pulse - ncs
(nrd setup +
(nrd setup +
t
t
nrd pulse)*
nrd pulse *
rd setup) *
CPMCK
CPMCK
t
1.08V
1.08V
CPMCK
15.2
11.6
16.7
13.1
-3.2
-2.9
-2.8
-3.2
- 2.7
- 1.6
1.8V
1.8V
nrd pulse - ncs
(nrd setup +
(nrd setup +
t
t
nrd pulse)*
nrd pulse *
rd setup) *
CPMCK
CPMCK
t
CPMCK
1.2V
1.2V
12.0
13.1
10.5
-3.2
-2.8
-3.2
-2.9
9.4
AT91SAM9263 Preliminary
- 2.0
- 1.2
Min
Min
nrd pulse - ncs
(nrd setup +
(nrd setup +
t
t
t
nrd pulse)*
nrd pulse *
CPMCK
rd setup) *
CPMCK
CPMCK
1.08V
1.08V
16.1
12.5
-2.9
-2.5
14.6
11.0
-3.0
-2.6
- 0.1
- 3.1
- 2.0
3.3V
3.3V
nrd pulse - ncs
(nrd setup +
(nrd setup +
t
t
t
nrd pulse)*
nrd pulse *
rd setup) *
CPMCK
CPMCK
CPMCK
1.2V
12.5
-2.9
-2.5
1.2V
11.5
9.9
-3.0
-2.6
8.9
- 2.4
- 1.5
- 0.1
Units
Units
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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