Datasheet

1037
SAM9263 [DATASHEET]
Atmel-6249N-ATARM-SAM9263-Datasheet_14-Mar-16
46.9.3.2 Write Timings
Table 46-23. SMC Read Signals - NCS Controlled (READ_MODE = 0)
Symbol
Parameter Min
Unit
VDDIOM supply 1.8V 3.3V
VDDCORE supply 1.08V 1.3V 1.08V 1.3V
NO HOLD SETTINGS (ncs rd hold = 0)
SMC
8
Data Setup before NCS High 16.7 13.1 16.1 12.5 ns
SMC
9
Data Hold after NCS High -3.2 -3.2 -2.9 -2.9 ns
HOLD SETTINGS (ncs rd hold ≠ 0)
SMC
10
Data Setup before NCS High 13.1 10.5 12.5 9.9 ns
SMC
11
Data Hold after NCS High -2.8 -2.8 -2.5 -2.5 ns
HOLD or NO HOLD SETTINGS (ncs rd hold ≠ 0, ncs rd hold = 0)
SMC
12
NBS0/A0, NBS1, NBS2/A1,
NBS3, A2–A25 valid before NCS
High
(ncs rd setup +
ncs rd pulse) *
t
CPMCK
- 3.0
(ncs rd setup +
ncs rd pulse) *
t
CPMCK
- 2.2
(ncs rd setup +
ncs rd pulse) *
t
CPMCK
- 3.4
(ncs rd setup +
ncs rd pulse) *
t
CPMCK
- 2.6
ns
SMC
13
NRD low before NCS High
(ncs rd setup +
ncs rd pulse - nrd
setup) * t
CPMCK
-
0.1
(ncs rd setup +
ncs rd pulse - nrd
setup) * t
CPMCK
-
0.1
(ncs rd setup +
ncs rd pulse - nrd
setup) * t
CPMCK
-
0.2
(ncs rd setup +
ncs rd pulse - nrd
setup) * t
CPMCK
-
0.2
ns
SMC
14
NCS Pulse Width
ncs rd pulse
length * t
CPMCK
-
0.2
ncs rd pulse
length * t
CPMCK
-
0.2
ncs rd pulse
length * t
CPMCK
-
0.5
ncs rd pulse
length * t
CPMCK
-
0.4
ns
Table 46-24. SM Write Signals - NWE Controlled (WRITE_MODE = 1)
Symbol
Parameter Min
Unit
VDDIOM supply 1.8V 3.3V
VDDCORE supply 1.08V 1.3V 1.08V 1.3V
HOLD or NO HOLD SETTINGS (nwe hold ≠ 0, nwe hold = 0)
SMC
15
Data Out Valid before NWE High
nwe pulse * t
CPMCK
- 2.7
nwe pulse * t
CPMCK
- 1.8
nwe pulse * t
CPMCK
- 2.9
nwe pulse * t
CPMCK
- 2.0
ns
SMC
16
NWE Pulse Width
nwe pulse * t
CPMCK
- 0.3
nwe pulse * t
CPMCK
- 0.3
nwe pulse * t
CPMCK
- 0.7
nwe pulse * t
CPMCK
- 0.6
ns
SMC
17
NBS0/A0 NBS1, NBS2/A1, NBS3,
A2–A25 valid before NWE low
nwe setup * t
CPMCK
- 1.2
nwe setup * t
CPMCK
- 0.9
nwe setup * t
CPMCK
- 1.6
nwe setup * t
CPMCK
- 1.2
ns
SMC
18
NCS low before NWE high
(nwe setup - ncs
rd setup + nwe
pulse) * t
CPMCK
-
2.0
(nwe setup - ncs
rd setup + nwe
pulse) * t
CPMCK
-
1.4
(nwe setup - ncs
rd setup + nwe
pulse) * t
CPMCK
-
2.4
(nwe setup - ncs
rd setup + nwe
pulse) * t
CPMCK
-
1.7
ns
HOLD SETTINGS (nwe hold ≠ 0)
SMC
19
NWE High to Data OUT, NBS0/A0
NBS1, NBS2/A1, NBS3, A2–A25
change
nwe hold * t
CPMCK
-
2.2
nwe hold * t
CPMCK
-
2.0
nwe hold * t
CPMCK
-
2.4
nwe hold * t
CPMCK
-
2.1
ns