AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 989

• Manufacturer Part Number: AT91SAM9G45-EKES
• Description: KIT EVAL FOR AT91SAM9G45
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

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

Figure 41-8. DMAC Transfer Flow for Source and Destination Linked List Address
41.4.5.4
6438F–ATARM–21-Jun-10
Multi-buffer Transfer with Source Address Auto-reloaded and Destination Address Auto-reloaded (Row 10)
Buffer Complete interrupt
generated here
HDMA Transfer Complete
interrupt generated here
1. Read the Channel Enable register to choose an available (disabled) channel.
2. Clear any pending interrupts on the channel from the previous DMAC transfer by read-
ing the interrupt status register. Program the following channel registers:
SADDRx, DADDRx, CTRLA/Bx, DSCRx
Writeback of HDMA_CTRLAx
HDMA State Machine Table?
register in system memory
Hardware reprograms
DMAC buffer transfer
Channel Disabled by
Channel enabled by
Is HDMA in
LLI Fetch
hardware
Row1 of
software
yes
no
AT91SAM9G45
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