Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Data Sheet
Product codes
ATSAM4E-XPRO
449
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
25.2.3 Master to Slave Access
All the Masters can normally access all the Slaves. However, some paths do not make sense, for example
allowing access from the Cortex-M4 S Bus to the Internal SRAM. Thus, these paths are forbidden or simply not
wired, and shown as “
allowing access from the Cortex-M4 S Bus to the Internal SRAM. Thus, these paths are forbidden or simply not
wired, and shown as “
–
.
Slave 3
Peripheral Bridge 0
Slave 4
Peripheral Bridge 1
Slave 5
External Bus Interface (EBI)
Table 25-1.
List of Bus Matrix Slaves (Continued)
Table 25-2.
Master to Slave Access
Slaves
Masters
0 1
2
3
4
5
6
Cortex-M4
I/D Bus
Cortex-M4 S
Bus
PDC1
DMAC
Reserved
EMAC
0
Internal SRAM
–
X
X
X
X
–
X
1
Internal ROM
X
–
X
X
X
–
X
2
Internal Flash
X
–
–
–
–
–
–
3
Peripheral Bridge 0
–
X
X
–
X
–
–
4
Peripheral Bridge 1
–
X
–
X
X
–
–
5
External Bus Interface
(EBI)
–
X
X
X
X
–
X