at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 304
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at91sam9263
Manufacturer Part Number
at91sam9263
Description
At91 Arm Thumb Microcontrollers
Manufacturer
ATMEL Corporation
Datasheet
1.AT91SAM9263.pdf
(1065 pages)
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24.4.1
Name: DMAC_SARx
Access: Read/Write
Reset: 0x0
The address offset for each channel is: [x *0x58]
For example, SAR0: 0x000, SAR1: 0x058, etc.
• SADD: Source Address of DMA transfer
The starting AMBA source address is programmed by software before the DMA channel is enabled or by a LLI update
before the start of the DMA transfer. As the DMA transfer is in progress, this register is updated to reflect the source
address of the current AMBA transfer.
Updated after each source AMBA transfer. The SINC field in the DMAC_CTLx register determines whether the address
increments, decrements, or is left unchanged on every source AMBA transfer throughout the block transfer.
6249D–ATARM–20-Dec-07
31
23
15
7
Channel x Source Address Register
30
22
14
6
29
21
13
5
28
20
12
4
SADD
SADD
SADD
SADD
27
19
11
3
AT91SAM9263 Preliminary
26
18
10
2
25
17
9
1
24
16
8
0
304
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