Datasheet

1312
SAM9M10 [DATASHEET]
6355FATARM12-Mar-13
Notes: 1. hold length = total cycle duration - setup duration - pulse duration. “hold length” is for “ncs wr hold length” or “NWE hold
length”.
SMC
20
NWE High to NCS Inactive
(1)
(nwe hold - ncs wr hold)* t
CPMCK
-
3.2
(nwe hold - ncs wr hold)*
t
CPMCK
- 4.0
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)
1.6 1.4 ns
Table 47-30. SMC Write Signals - NWE Controlled (WRITE_MODE = 1) (Continued)
Symbol Parameter
Min
Units1.8V Supply 3.3V Supply
Table 47-31. SMC Write NCS Controlled (WRITE_MODE = 0
Symbol Parameter
Min
Units1.8V Supply 3.3V Supply
SMC
22
Data Out Valid before NCS High ncs wr pulse * t
CPMCK
- 2.8 ncs wr pulse * t
CPMCK
- 3.5 ns
SMC
23
NCS Pulse Width ncs wr pulse * t
CPMCK
- 0.5 ncs wr pulse * t
CPMCK
- 0.2 ns
SMC
24
NBS0/A0 NBS1, NBS2/A1, NBS3,
A2 - A25 valid before NCS low
ncs wr setup * t
CPMCK
- 3.3 ncs wr setup * t
CPMCK
- 4.1 ns
SMC
25
NWE low before NCS high
(ncs wr setup - nwe setup + ncs
pulse)* t
CPMCK
- 2.4
(ncs wr setup - nwe setup +
ncs pulse)* t
CPMCK
- 2.7
ns
SMC
26
NCS High to Data Out, NBS0/A0, NBS1,
NBS2/A1, NBS3, A2 - A25, change
ncs wr hold * t
CPMCK
- 4.1 ncs wr hold * t
CPMCK
- 4.6 ns
SMC
27
NCS High to NWE Inactive
(ncs wr hold - nwe hold)* t
CPMCK
-
2.0
(ncs wr hold - nwe hold)*
t
CPMCK
- 2.8
ns