SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 1431
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SAM3A4C
Manufacturer Part Number
SAM3A4C
Description
Manufacturer
Atmel Corporation
- Current page: 1431 of 1465
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Table 45-49. SMC Write Signals - NWE Controlled (WRITE_MODE = 1) (Continued)
Table 45-50. SMC Write NCS Controlled (WRITE_MODE = 0)
Notes:
11057A–ATARM–17-Feb-12
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 = 30 pF
3. 3.3V domain: VDDIO from 3.0V to 3.6V, maximum external capacitor = 50 pF.
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
NBS0/A0 NBS1, NBS2/A1, NBS3,
A2 - A25 valid before NCS low
NWE low before NCS high
NCS High to Data Out, NBS0/A0,
NBS1, NBS2/A1, NBS3, A2 - A25,
change
NCS High to NWE Inactive
(1)
(1)
NO HOLD SETTINGS (nwe hold = 0)
HOLD SETTINGS (nwe hold
wr hold)* t
(ncs wr setup -
(nwe hold - ncs
ncs wr pulse *
ncs wr pulse *
ncs wr setup *
(ncs wr hold -
ncs wr hold *
nwe setup +
t
t
ncs pulse)*
t
CPMCK
nwe hold)*
t
CPMCK
CPMCK
nwe hold *
t
t
t
CPMCK
CPMCK
CPMCK
CPMCK
1.8V
1.8V
- 0.3
4
+ 1.3
- 8.2
- 6.2
(2)
- 2.4
(2)
- 6
- 5
- 1
CPMCK
Min
Min
(ncs wr setup -
ncs wr pulse *
ncs wr pulse *
ncs wr setup *
(nwe hold - ncs
(ncs wr hold -
ncs wr hold *
nwe setup +
t
ncs pulse)*
t
CPMCK
nwe hold)*
CPMCK
t
t
t
t
t
t
nwe hold *
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
wr hold)*
3.3V
3.3V
4
+ 1.3
- 9.6
(3)
- 1.8
- 6
- 5
- 0.3
- 1
- 9
(3)
0)
1.8V
1.8V
(2)
(2)
Max
Max
3.3V
3.3V
SAM3X/A
(3)
(3)
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
1431
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