Datasheet

SAM9263 [DATASHEET]
Atmel-6249N-ATARM-SAM9263-Datasheet_14-Mar-16
1038
Notes: 1. Hold length = total cycle duration - setup duration - pulse duration. “hold length” is used for “ncs wr hold length” or “NWE
hold length”.
SMC
20
NWE High to NCS Inactive
(1)
(nwe hold - ncs wr
hold) * t
CPMCK
- 1.0
(nwe hold - ncs wr
hold) * t
CPMCK
- 0.7
(nwe hold - ncs wr
hold) * t
CPMCK
- 1.0
(nwe hold - ncs wr
hold) * t
CPMCK
- 0.7
ns
NO HOLD SETTINGS (nwe hold = 0)
SMC
21
NWE High to Data OUT, NBS0/A0
NBS1, NBS2/A1, NBS3, A2–A25,
NCS change
(1)
2.9 2.9 2.7 2.7 ns
Table 46-25. SMC Write NCS Controlled (WRITE_MODE = 0)
Symbol
Parameter Min
Unit
VDDIOM supply 1.8V 3.3V
VDDCORE supply 1.08V 1.3V 1.08V 1.3V
SMC
22
Data Out Valid before NCS High
ncs wr pulse *
t
CPMCK
- 2.6
ncs wr pulse *
t
CPMCK
- 1.7
ncs wr pulse *
t
CPMCK
- 2.8
ncs wr pulse *
t
CPMCK
- 2.0
ns
SMC
23
NCS Pulse Width
ncs wr pulse *
t
CPMCK
- 0.2
ncs wr pulse *
t
CPMCK
- 0.2
ncs wr pulse *
t
CPMCK
- 0.5
ncs wr pulse *
t
CPMCK
- 0.4
ns
SMC
24
NBS0/A0 NBS1, NBS2/A1, NBS3,
A2–A25 valid before NCS low
ncs wr setup *
t
CPMCK
- 1.1
ncs wr setup *
t
CPMCK
- 0.8
ncs wr setup *
t
CPMCK
- 1.5
ncs wr setup *
t
CPMCK
- 1.2
ns
SMC
25
NWE low before NCS high
(ncs wr setup -
nwe setup + ncs
pulse) * t
CPMCK
-
1.1
(ncs wr setup -
nwe setup + ncs
pulse) * t
CPMCK
-
0.8
(ncs wr setup -
nwe setup + ncs
pulse) * t
CPMCK
-
1.5
(ncs wr setup -
nwe setup + ncs
pulse) * t
CPMCK
-
1.2
ns
SMC
26
NCS High to Data Out, NBS0/A0,
NBS1, NBS2/A1, NBS3, A2–A25,
change
ncs wr hold *
t
CPMCK
- 3.2
ncs wr hold *
t
CPMCK
- 2.7
ncs wr hold *
t
CPMCK
- 3.4
ncs wr hold *
t
CPMCK
- 2.8
ns
SMC
27
NCS High to NWE Inactive
(ncs wr hold - nwe
hold) * t
CPMCK
- 3.0
(ncs wr hold - nwe
hold) * t
CPMCK
- 2.3
(ncs wr hold - nwe
hold) * t
CPMCK
- 3.2
(ncs wr hold - nwe
hold) * t
CPMCK
- 2.5
ns
Table 46-24. SM Write Signals - NWE Controlled (WRITE_MODE = 1) (Continued)
Symbol
Parameter Min
Unit
VDDIOM supply 1.8V 3.3V
VDDCORE supply 1.08V 1.3V 1.08V 1.3V