ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 1136

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 43-50. SMC Write Signals - NWE Controlled (WRITE_MODE = 1) (Continued)
Table 43-51. SMC Write NCS Controlled (WRITE_MODE = 0)
Notes:
1136
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.
SAM3U Series
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 ≠ 0)
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
nwe hold)*
CPMCK
CPMCK
nwe hold *
t
t
t
t
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
1.8V
1.8V
- 3
4
- 2.5
- 6.5
(2)
- 5.5
(2)
- 5
- 3
- 3
- 5
CPMCK
Min
Min
(ncs wr setup -
ncs wr setup *
ncs wr pulse *
ncs wr pulse *
(ncs wr hold -
(nwe hold - ncs
ncs wr hold *
nwe setup +
t
t
ncs pulse)*
t
nwe hold)*
CPMCK
CPMCK
CPMCK
t
t
t
t
nwe hold *
CPMCK
CPMCK
CPMCK
CPMCK
t
wr hold)*
3.3V
CPMCK
3.3V
4
- 2.5
- 5.5
- 4.5
(3)
- 5.5
- 5
- 2
- 2
(3)
- 3
1.8V
1.8V
(2)
(2)
Max
Max
3.3V
3.3V
6430D–ATARM–25-Mar-11
(3)
(3)
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns