Datasheet

1152
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
Table 44-65. SMC Read Signals - NCS Controlled (READ_MODE = 0)
Symbol Parameter Min Max Units
VDDIO Supply 1.8V
(2)
3.3V
(3)
1.8V
(2)
3.3V
(3)
NO HOLD Settings (NCS rd Hold = 0)
SMC
8
Data Setup before NCS High 20.7 18.4 — — ns
SMC
9
Data Hold after NCS High 0 0 — — ns
HOLD Settings (NCS rd Hold ≠ 0)
SMC
10
Data Setup before NCS High 16.8 14.5 — — ns
SMC
11
Data Hold after NCS High 0 0 — — ns
HOLD or NO HOLD Settings (NCS rd Hold ≠ 0, NCS rd Hold = 0)
SMC
12
A0 - A22 Valid before NCS High
(NCS rd setup +
NCS rd pulse)*
t
CPMCK
- 6.5
(NCS rd setup +
NCS rd pulse)*
t
CPMCK
- 6.3
——ns
SMC
13
NRD Low before NCS High
(NCS rd setup +
NCS rd pulse -
NRD setup)*
t
CPMCK
- 5.6
(NCS rd setup +
NCS rd pulse - NRD
setup)* t
CPMCK
- 5.4
——ns
SMC
14
NCS Pulse Width
NCS rd pulse
length * t
CPMCK
-7.7
NCS rd pulse length
* t
CPMCK
- 6.7
——ns