ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 369

• 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 25-15. Early Read Wait State: NCS Controlled Write with No Hold Followed by a Read with No NCS Setup
Figure 25-16. Early Read Wait State: NWE-controlled Write with No Hold Followed by a Read with one Set-up Cycle
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
external write controlling signal
internal write controlling signal
NBS0, NBS1,
A[23:2]
D[15:0]
A0,A1
MCK
NRD
NCS
NBS0, NBS1,
D[15:0]
A[23:2]
A0, A1
(NWE)
MCK
NRD
(WRITE_MODE = 0)
write cycle
(WRITE_MODE = 1)
no hold
write cycle
no hold
Early Read
wait state
Early Read
wait state
(READ_MODE = 0 or READ_MODE = 1)
no setup
read setup = 1
(READ_MODE = 0 or READ_MODE = 1)
read cycle
read cycle
SAM3U Series
SAM3U Series
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