SAM3S8B Atmel Corporation, SAM3S8B Datasheet - Page 1111

• Manufacturer Part Number: SAM3S8B
• Manufacturer: Atmel Corporation

Table 40-49. SMC Read Signals - NCS Controlled (READ_MODE= 0)
40.11.6.2
Table 40-50. SMC Write Signals - NWE Controlled (WRITE_MODE = 1)
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC
Symbol
SMC
SMC
SMC
SMC
HOLD SETTINGS (ncs rd hold ≠ 0)
8
9
10
11
12
13
14
15
16
17
18
Parameter
Data Setup before NCS High
Data Hold after NCS High
Data Setup before NCS High
Data Hold after NCS High
NRD low before NCS High
NCS Pulse Width
Parameter
Data Out Valid before NWE High
NWE Pulse Width
A0 - A22 valid before NWE low
NCS low before NWE high
A0 - A22 valid before NCS High
Write Timings
VDDIO supply
HOLD or NO HOLD SETTINGS (ncs rd hold ≠ 0, ncs rd hold = 0)
HOLD or NO HOLD SETTINGS (nwe hold ≠ 0, nwe hold = 0)
NO HOLD SETTINGS (ncs rd hold = 0)
ncs rd pulse length *
rd pulse)* t
(ncs rd setup + ncs
(ncs rd setup + ncs
setup)* t
nwe pulse * t
nwe pulse * t
(nwe setup - ncs rd
nwe setup * t
setup + nwe pulse)
rd pulse - nrd
t
CPMCK
* t
1.8V
CPMCK
26
21
1.8V
+ 12.5
0
0
CPMCK
CPMCK
(2)
4
5
- 5
(2)
+ 4
CPMCK
CPMCK
- 1
CPMCK
- 1
Min
Min
-
-
ncs rd pulse length *
rd pulse)* t
(ncs rd setup + ncs
(ncs rd setup + ncs
setup)* t
nwe pulse * t
nwe pulse * t
nwe setup * t
pulse) * t
(nwe setup - ncs
rd pulse - nrd
rd setup + nwe
t
CPMCK
3.3V
3.3V
23.5
18.5
+ 11.5
0
0
CPMCK
- 4
- 5
CPMCK
CPMCK
(3)
- 5
(3)
CPMCK
CPMCK
CPMCK
- 1
+ 6
- 1
1.8V
1.8V
(2)
(2)
Max
SAM3S8/SD8
SAM3S8/SD8
Max
3.3V
3.3V
(3)
(3)
Units
Units
ns
ns
ns
ns
1111
1111
ns
ns
ns
ns
ns
ns
ns