SAM3A8C Atmel Corporation, SAM3A8C Datasheet - Page 31
SAM3A8C
Manufacturer Part Number
SAM3A8C
Description
Manufacturer
Atmel Corporation
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7.4
7.5
Table 7-3.
11057AS–ATARM–10-Feb-12
11057AS–ATARM–10-Feb-12
Slaves
0
1
2
3
4
5
6
7
8
Matrix Slaves
Master to Slave Access
Internal SRAM0
Internal SRAM1
Internal ROM
Internal Flash
USB High Speed Dual Port RAM
Nand Flash Controller RAM
External Bus Interface
Low Speed Peripheral Bridge
High Speed Peripheral Bridge
SAM3X/A Series Master to Slave Access
The Bus Matrix of the SAM3X/A series product manages 9 slaves. Each slave has its own arbi-
ter, allowing a different arbitration per slave.
Table 7-2.
All the Masters can normally access all the Slaves. However, some paths do not make sense,
for example allowing access from the USB High Speed DMA to the Internal Peripherals. Thus,
these paths are forbidden or simply not wired, and shown as “-” in the following table.
Slave 0
Slave 1
Slave 2
Slave 3
Slave 4
Slave 5
Slave 6
Slave 7
Slave 8
Masters
List of Bus Matrix Slaves
Cortex-M3
Internal SRAM0
Internal SRAM1
Internal ROM
Internal Flash
USB High Speed Dual Port RAM (DPR)
NAND Flash Controller RAM
External Bus Interface
Low Speed Peripheral Bridge
High Speed Peripheral Bridge
I/D Bus
0
X
X
-
-
-
-
-
-
-
Cortex-M3 S
Bus
X
X
X
X
X
X
X
1
-
-
PDC
X
X
X
X
X
X
2
-
-
-
Speed DMA
USB High
X
3
X
X
X
X
-
-
-
-
Controller
DMA
X
X
X
X
X
X
X
X
4
-
SAM3X/A
SAM3X/A
EMAC
DMA
X
5
X
X
X
X
-
-
-
-
33
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