Atmel Evaluation Kit for the SAM4E Series of Flash Microcontrollers ATSAM4E-EK ATSAM4E-EK Data Sheet
Product codes
ATSAM4E-EK
1459
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.
Figure 47-23. SMC Timings - NCS Controlled Read and Write
Table 47-61.
SMC Write NCS Controlled (WRITE_MODE = 0)
Symbol
Parameter
Min
Max
Units
1.8V
3.3V
1.8V
3.3V
SMC
22
Data Out Valid before NCS High
NCS wr pulse *
t
CP_MCK
- 6.3
NCS wr pulse *
t
CP_MCK
- 6.0
—
—
ns
SMC
23
NCS Pulse Width
NCS wr pulse *
t
CP_MCK
- 7.6
NCS wr pulse *
t
CP_MCK
- 6.7
—
—
ns
SMC
24
A0 - A22 valid before NCS low
NCS wr setup *
t
CP_MCK
- 6.7
NCS wr setup *
t
CP_MCK
- 6.3
—
—
ns
SMC
25
NWE low before NCS high
(NCS wr setup - NWE
setup + NCS pulse)
*
t
CP_MCK
- 5.6
(NCS wr setup - NWE
setup + NCS pulse)
*
t
CP_MCK
- 5.3
—
—
ns
SMC
26
NCS High to Data Out,A0 - A25,
change
change
NCS wr hold *
t
CP_MCK
- 10.6
NCS wr hold *
t
CP_MCK
- 9.0
—
—
ns
SMC
27
NCS High to NWE Inactive
(NCS wr hold - NWE
hold) *
t
CP_MCK
- 7.0
(NCS wr hold - NWE
hold) *
t
CP_MCK
- 6.8
—
—
ns
NRD
NCS
DATA
NWE
NCS Controlled READ
with NO HOLD
NCS Controlled READ
with HOLD
NCS Controlled WRITE
SMC22
SMC26
SMC10
SMC11
SMC12
SMC9
SMC8
SMC14
SMC14
SMC23
SMC27
SMC26
A0 - A23
SMC24
SMC25
SMC12
SMC13
SMC13