Datasheet

1457
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
Notes: 1. 1.8V domain: V
VDDIO
from 1.65V to 1.95V, maximum external capacitor = 30 pF.
2. 3.3V domain: V
VDDIO
from 2.85V to 3.6V, maximum external capacitor = 50 pF.
Table 47-59. SMC Read Signals - NCS Controlled (READ_MODE= 0)
Symbol Parameter Min Max Units
— VDDIO supply 1.8V
(1)
3.3V
(2)
1.8V
(1)
3.3V
(2)
—
NO HOLD SETTINGS (NCS RD hold = 0)
SMC
8
Data Setup before NCS High 21.8 19.4 — — ns
SMC
9
Data Hold after NCS High 0 0 — — ns
HOLD SETTINGS (NCS RD hold ≠ 0)
SMC
10
Data Setup before NCS High 17.1 14.9 — — 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
CP_MCK
- 6.9
(NCS RD setup + NCS
RD pulse)* t
CP_MCK
- 6.6
——ns
SMC
13
NRD low before NCS High
(NCS RD setup + NCS
RD pulse - NRD setup)*
t
CP_MCK
- 5.8
(NCS RD setup + NCS
RD pulse - NRD
setup)*
t
CP_MCK
- 5.5
——ns
SMC
14
NCS Pulse Width
NCS RD pulse length *
t
CP_MCK
-7.6
NCS RD pulse length *
t
CP_MCK
- 6.7
——ns