AT91SAM9G45-CU-999 Atmel, AT91SAM9G45-CU-999 Datasheet - Page 989

• Manufacturer Part Number: AT91SAM9G45-CU-999
• Description: IC MCU ARM9 APMC 324TFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM9G45-CU-999

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 400MHz
• Connectivity: EBI/EMI, Ethernet, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB
• Peripherals: AC'97, DMA, I²S, LCD, POR, PWM, WDT
• Number Of I /o: 160
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: ROM
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 0.9 V ~ 1.1 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 324-TFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed

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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