AT91SAM9G45-CU-999 Atmel, AT91SAM9G45-CU-999 Datasheet - Page 887
![IC MCU ARM9 APMC 324TFBGA](/photos/12/13/121367/324-tfbga-pkg_sml.jpg)
AT91SAM9G45-CU-999
Manufacturer Part Number
AT91SAM9G45-CU-999
Description
IC MCU ARM9 APMC 324TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM9G45-EKES.pdf
(1218 pages)
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
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Part Number
Manufacturer
Quantity
Price
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38.6.18
887
AT91SAM9G45
UDPHS DMA Channel Transfer Descriptor
The DMA channel transfer descriptor is loaded from the memory.
Be careful with the alignment of this buffer.
The structure of the DMA channel transfer descriptor is defined by three parameters as
described below:
Offset 0:
Offset 4:
Offset 8:
To use the DMA channel transfer descriptor, fill the structures with the correct value (as
described in the following pages).
Then write directly in UDPHS_DMANXTDSCx the address of the descriptor to be used first.
Then write 1 in the LDNXT_DSC bit of UDPHS_DMACONTROLx (load next channel transfer
descriptor). The descriptor is automatically loaded upon Endpointx request for packet transfer.
The address must be aligned: 0xXXXX0
Next Descriptor Address Register: UDPHS_DMANXTDSCx
The address must be aligned: 0xXXXX4
DMA Channelx Address Register: UDPHS_DMAADDRESSx
The address must be aligned: 0xXXXX8
DMA Channelx Control Register: UDPHS_DMACONTROLx
6438F–ATARM–21-Jun-10
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