SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 1430
SAM3A4C
Manufacturer Part Number
SAM3A4C
Description
Manufacturer
Atmel Corporation
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Table 45-48. SMC Read Signals - NCS Controlled (READ_MODE= 0)
45.10.6.2
Table 45-49. SMC Write Signals - NWE Controlled (WRITE_MODE = 1)
1430
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC
Symbol
SMC
SMC
SMC
SMC
HOLD SETTINGS (ncs rd hold
8
9
10
11
12
13
14
15
16
17
18
SAM3X/A
Parameter
Data Setup before NCS High
Data Hold after NCS High
Data Setup before NCS High
Data Hold after NCS High
A2 - A25 valid before NCS High
NRD low before NCS High
NCS Pulse Width
Write Timings
Parameter
Data Out Valid before NWE High
NWE Pulse Width
NBS0/A0 NBS1, NBS2/A1, NBS3,
A2 - A25 valid before NWE low
NCS low before NWE high
NBS0/A0, NBS1, NBS2/A1, NBS3,
VDDIO supply
HOLD or NO HOLD SETTINGS (ncs rd hold
0)
HOLD or NO HOLD SETTINGS (nwe hold
NO HOLD SETTINGS (ncs rd hold = 0)
(ncs rd setup +
(ncs rd setup +
length * t
ncs rd pulse)*
ncs rd pulse -
ncs rd setup +
ncs rd pulse
t
(nwe setup -
nwe pulse) *
nrd setup)*
nwe pulse *
nwe pulse *
nwe setup *
CPMCK
t
t
t
CPMCK
t
CPMCK
t
CPMCK
CPMCK
CPMCK
1.8V
1.8V
26.3
24.1
- 6
0
0
+ 0.7
(2)
CPMCK
- 7.5
+ 10
(2)
- 3
+ 6
- 3
Min
Min
length * t
+ ncs rd pulse
pulse)* t
(ncs rd setup
(ncs rd setup
- nrd setup)*
ncs rd pulse
t
ncs rd setup +
CPMCK
(nwe setup -
nwe pulse) *
nwe setup *
nwe pulse *
nwe pulse *
t
+ ncs rd
t
CPMCK
t
t
3.3V
CPMCK
CPMCK
CPMCK
24.6
22.4
3.3V
- 3
- 6
0
0
+ 0.6
CPMCK
CPMCK
(3)
+ 12
(3)
+ 6
0, nwe hold = 0)
- 7
- 3
0, ncs rd hold = 0)
1.8V
1.8V
(2)
(2)
Max
Max
3.3V
3.3V
11057A–ATARM–17-Feb-12
(3)
(3)
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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