ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 379

• 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

Figure 25-26. NWAIT Assertion in Read Access: Ready Mode (EXNW_MODE = 11)
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
internally synchronized
NWAIT signal
NBS0, NBS1,
A[23:2]
NWAIT
A0,A1
MCK
NCS
NRD
6
Assertion is ignored
5
6
5
4
3
4
EXNW_MODE = 11(Ready mode)
READ_MODE = 0 (NCS_controlled)
NRD_PULSE = 7
NCS_RD_PULSE =7
Read cycle
3
2
2
1
0
1
Wait STATE
0
1
SAM3U Series
SAM3U Series
0
Assertion is ignored
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