AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 981
AT91SAM9G45-EKES
Manufacturer Part Number
AT91SAM9G45-EKES
Description
KIT EVAL FOR AT91SAM9G45
Manufacturer
Atmel
Series
AT91SAM Smart ARMr
Type
MCUr
Datasheets
1.AT91SAM9G45-EKES.pdf
(56 pages)
2.AT91SAM9G45-EKES.pdf
(1218 pages)
3.AT91SAM9G45-EKES.pdf
(66 pages)
Specifications of AT91SAM9G45-EKES
Contents
Board
Processor To Be Evaluated
SAM9G45
Data Bus Width
32 bit
Interface Type
I2C, SPI, UART
Maximum Operating Temperature
+ 50 C
Minimum Operating Temperature
- 10 C
Operating Supply Voltage
1.8 V to 3.3 V
For Use With/related Products
AT91SAM9G45
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
Q4626953
- Current page: 981 of 1218
- Download datasheet (19Mb)
Figure 41-5. Multi Buffer Transfer Using Linked List
6438F–ATARM–21-Jun-10
DSCRx(0)
DSCRx(1)
CTRLBx
CTRLAx
DADDRx
SADDRx
The Linked List multi-buffer transfer is initiated by programming DMAC_DSCRx with DSCRx(0)
(LLI(0) base address) and DMAC_CTRLBx register with both SRC_DSCR and DST_DSCR set
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
AT91SAM9G45
DSCRx(2)
(points to 0 if
LLI(1) is the last
transfer descriptor
981
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