SAM3S8B Atmel Corporation, SAM3S8B Datasheet - Page 1112

• Manufacturer Part Number: SAM3S8B
• Manufacturer: Atmel Corporation

Table 40-50. SMC Write Signals - NWE Controlled (WRITE_MODE = 1) (Continued)
Table 40-51. SMC Write NCS Controlled (WRITE_MODE = 0)
Notes:
1112
1112
Symbol
SMC
SMC
SMC
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
19
20
21
22
23
24
25
26
27
1. hold length = total cycle duration - setup duration - pulse duration. “hold length” is for “ncs wr hold length” or “NWE hold
2. 1.8V domain: VDDIO from 1.65V to 1.95V, maximum external capacitor = 25 pF
3. 3.3V domain: VDDIO from 3.0V to 3.6V, maximum external capacitor = 25 pF.
SAM3S8/SD8
SAM3S8/SD8
length”.
Parameter
NWE High to Data OUT, NBS0/A0
NBS1, NBS2/A1, NBS3, A2 - A25
change
NWE High to NCS Inactive
NWE High to Data OUT, NBS0/A0
NBS1, NBS2/A1, NBS3, A2 - A25,
NCS change
Parameter
Data Out Valid before NCS High
NCS Pulse Width
A0 - A22 valid before NCS low
NWE low before NCS high
NCS High to Data Out,A0 - A25,
change
NCS High to NWE Inactive
(1)
(1)
NO HOLD SETTINGS (nwe hold = 0)
HOLD SETTINGS (nwe hold ≠ 0)
(nwe hold - ncs wr
pulse)* t
nwe hold * t
nwe setup + ncs
hold)* t
(ncs wr setup -
ncs wr pulse *
ncs wr pulse *
ncs wr setup *
(ncs wr hold -
ncs wr hold *
nwe hold)*
t
t
t
t
t
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
1.8V
1.8V
- 6
CPMCK
5
CPMCK
(2)
(2)
- 1
- 5
- 2
- 6
- 2
CPMCK
- 4
- 1
Min
Min
nwe hold * t
pulse)* t
(nwe hold - ncs wr
nwe setup + ncs
(ncs wr setup -
hold)* t
ncs wr setup *
ncs wr pulse *
ncs wr pulse *
(ncs wr hold -
ncs wr hold *
t
t
nwe hold)*
CPMCK
t
t
CPMCK
t
CPMCK
CPMCK
CPMCK
3.3V
3.3V
CPMCK
CPMCK
6
5
- 1.5
(3)
-1.5
- 5
- 5
(3)
- 1
CPMCK
- 1
- 5
-
1.8V
1.8V
(2)
(2)
Max
Max
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
3.3V
3.3V
(3)
(3)
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns