ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 1053

• 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

1: The Master Interface Arbiter is locked by the channel x for a buffer transfer.
• AHB_PROT
AHB_PROT field provides additional information about a bus access and is primarily used to implement some level of
protection.
• FIFOCFG
6430D–ATARM–25-Mar-11
AHB_PROT[2]
HPROT[3]
FIFOCFG
00
01
10
When there is enough space/data available to perform a single AHB access, then the request is serviced.
AHB_PROT[1]
HPROT[2]
The largest defined length AHB burst is performed on the destination AHB interface.
When half FIFO size is available/filled, a source/destination request is serviced.
AHB_PROT[0]
HPROT[1]
FIFO request
HPROT[0]
1
SAM3U Series
1: Privileged Access
0: Not Bufferable
0: Not cacheable
0: User Access
1: Cacheable
1: Bufferable
Data access
Description
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