ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 1019

• 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 40-4. Multi Buffer Transfer Using Linked List
6430D–ATARM–25-Mar-11
DSCRx(0)
DSCRx(1)
CTRLBx
CTRLAx
DADDRx
SADDRx
to 0. Other fields and registers are ignored and overwritten when the descriptor is retrieved from
memory.
The last transfer descriptor must be written to memory with its next descriptor address set to 0.
= DSCRx(0) + 0xC
= DSCRx(0) + 0x8
= DSCRx(0) + 0x4
LLI(0)
= DSCRx(0) + 0x0
= DSCRx(0) + 0x10
System Memory
DSCRx(1)
DSCRx(2)
CTRLBx
CTRLBx
DADDRx
SADDRx
LLI(1)
= DSCRx(1) + 0xC
= DSCRx(1) + 0x8
= DSCRx(1) + 0x4
= DSCRx(1) + 0x0
= DSCRx(1) + 0x10
SAM3U Series
DSCRx(2)
(points to 0 if
LLI(1) is the last
transfer descriptor
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