at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 1005

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

Table 46-17. SMC Read Signals - NCS Controlled (READ_MODE = 0)
46.7.2.2
Table 46-18. SMC Write Signals - NWE Controlled (WRITE_MODE = 1)
6249D–ATARM–20-Dec-07
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC
Symbol
SMC
SMC
SMC
SMC
SMC
8
9
10
11
12
13
14
15
16
17
18
19
Parameter
Data Setup before NCS High
Data Hold after NCS High
Data Setup before NCS High
Data Hold after NCS High
A2 - A25 valid before NCS High
NRD low before NCS High
NCS Pulse Width
Parameter
Data Out Valid before NWE High
NWE Pulse Width
NBS0/A0 NBS1, NBS2/A1, NBS3,
A2 - A25 valid before NWE low
NCS low before NWE high
NWE High to Data OUT, NBS0/A0
NBS1, NBS2/A1, NBS3, A2 - A25
change
Write Timings
NBS0/A0, NBS1, NBS2/A1, NBS3,
VDDCORE supply
VDDCORE supply
VDDIOM supply
VDDIOM supply
HOLD or NO HOLD SETTINGS (ncs rd hold ≠ 0, ncs rd hold = 0)
HOLD or NO HOLD SETTINGS (nwe hold ≠ 0, nwe hold = 0)
NO HOLD SETTINGS (ncs rd hold = 0)
HOLD SETTINGS (ncs rd hold ≠ 0)
HOLD SETTINGS (nwe hold ≠ 0)
(ncs rd setup +
(ncs rd setup +
length * t
ncs rd pulse)*
ncs rd pulse -
ncs rd setup +
ncs rd pulse
(nwe setup -
nwe pulse) *
t
nrd setup)*
t
nwe pulse *
nwe pulse *
nwe setup *
t
t
t
t
t
CPMCK
CPMCK
nwe hold *
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
1.08V
1.08V
- 0.5
16.6
12.5
-3.4
-3.9
- 1.5
- 0.5
CPMCK
- 0.9
- 0.5
- 1.1
- 1.3
- 3.0
1.8V
1.8V
nrd pulse - ncs
(nrd setup +
(nrd setup +
ncs rd setup +
t
t
t
nrd pulse)*
nrd pulse *
rd setup) *
CPMCK
CPMCK
CPMCK
(nwe setup -
nwe pulse) *
nwe setup *
nwe pulse *
nwe pulse *
t
t
t
t
t
nwe hold *
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
1.2V
13.0
10.0
-3.9
-3.4
1.2V
AT91SAM9263 Preliminary
- 0.4
- 1.3
- 0.5
- 0.5
- 0.4
- 0.9
- 1.1
- 2.6
Min
Min
ncs rd setup) *
(nrd setup +
(nrd setup +
t
t
ncs rd setup +
t
nrd pulse)*
nrd pulse *
nrd pulse -
CPMCK
CPMCK
CPMCK
(nwe setup -
nwe pulse) *
nwe pulse *
nwe pulse *
nwe setup *
t
t
t
t
t
nwe hold *
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
1.08V
15.8
11.9
-3.7
-3.1
1.08V
- 0.9
- 1.9
- 0.7
- 1.2
- 0.8
- 1.4
- 1.7
- 3.2
3.3V
3.3V
setup) * t
(nrd setup + nrd
(nrd setup + nrd
pulse)* t
pulse - ncs rd
ncs rd setup +
t
nrd pulse *
(nwe setup -
nwe pulse) *
nwe pulse *
nwe pulse *
nwe setup *
CPMCK
t
t
t
t
t
nwe hold *
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
1.2V
12.4
-3.7
-3.1
9.5
1.7
0.6
1.2V
CPMCK
CPMCK
- 0.8
- 0.8
- 0.7
- 1.2
- 1.5
- 2.8
-
-
Units
Units
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1005