ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 1134

• 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

43.9.6
43.9.6.1
Table 43-48. SMC Read Signals - NRD Controlled (READ_MODE = 1)
1134
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC
1
2
3
4
5
6
7
SAM3U Series
SMC Timings
Read Timings
Parameter
Data Setup before NRD High
Data Hold after NRD High
Data Setup before NRD High
Data Hold after NRD High
A2 - A25 Valid before NRD High
NCS low before NRD High
NRD Pulse Width
NBS0/A0, NBS1, NBS2/A1, NBS3,
VDDIO Supply
Figure 43-24. Min and Max Access Time of Output Signals
SMC Timings are given with the following conditions.
VDDIO = 1.62V @ 30 pF
VDDIO = 3V @ 50 pF
Timings are given assuming a capacitance load on data, control and address pads:
In the following tables t
HOLD or NO HOLD SETTINGS (nrd hold ≠ 0, nrd hold = 0)
NO HOLD SETTINGS (nrd hold = 0)
TK (CKI =0)
TK (CKI =1)
HOLD SETTINGS (nrd hold ≠ 0)
nrd pulse - ncs
TF/TD
CPMCK
(nrd setup +
(nrd setup +
nrd pulse)*
nrd pulse *
rd setup) *
t
t
t
CPMCK
CPMCK
CPMCK
1.8V
17.5
17
0
0
is MCK period. Timing extraction
(2)
+ 7
+ 8
- 5
Min
nrd pulse - ncs
(nrd setup +
t
(nrd setup +
nrd pulse)*
CPMCK
nrd pulse *
rd setup) *
t
t
CPMCK
CPMCK
3.3V
SSC
16
15
SSC
0
0
+ 6.5
(3)
0max
+ 7
0min
- 5
1.8V
(2)
Max
3.3V
6430D–ATARM–25-Mar-11
(3)
Units
ns
ns
ns
ns
ns
ns
ns