ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 1135

• 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 43-49. SMC Read Signals - NCS Controlled (READ_MODE= 0)
43.9.6.2
Table 43-50. SMC Write Signals - NWE Controlled (WRITE_MODE = 1)
6430D–ATARM–25-Mar-11
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
A2 - A25 valid before NCS High
NRD low before NCS High
NCS Pulse Width
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
Write Timings
NBS0/A0, NBS1, NBS2/A1, NBS3,
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 setup +
(ncs rd setup +
length * t
ncs rd pulse)*
ncs rd pulse -
ncs rd setup +
ncs rd pulse
(nwe setup -
nwe pulse) *
t
nrd setup)*
nwe pulse *
nwe pulse *
nwe setup *
CPMCK
t
t
t
t
t
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
1.8V
1.8V
20
18
- 5
0
0
- 3.5
(2)
CPMCK
(2)
- 2
+ 8
+ 2
- 4
- 5
Min
Min
length * t
pulse)* t
+ ncs rd pulse
(ncs rd setup
(ncs rd setup
- nrd setup)*
ncs rd pulse
ncs rd setup +
(nwe setup -
nwe pulse) *
t
nwe setup *
nwe pulse *
nwe pulse *
t
+ ncs rd
CPMCK
CPMCK
t
t
t
3.3V
CPMCK
CPMCK
CPMCK
3.3V
- 3
- 5
16
15
0
0
(3)
CPMCK
CPMCK
- 2
- 3.5
(3)
+ 7
+ 3
- 5
1.8V
1.8V
(2)
(2)
Max
Max
SAM3U Series
3.3V
3.3V
(3)
(3)
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1135