at91sam9g15-cu ATMEL Corporation, at91sam9g15-cu Datasheet - Page 20

• Manufacturer Part Number: at91sam9g15-cu
• Description: At91sam Arm-based Embedded Mpu
• Manufacturer: ATMEL Corporation

6.6
Table 6-3.
20
0
1
2
3
4
5
6
7
8
9
USB Device High Speed DPR
USB Host OHCI registers
USB Host EHCI registers
Master to Slave Access
External Bus Interface
SAM9G15
Peripheral Bridge 0
Peripheral Bridge 1
Internal SRAM
Masters
Internal ROM
Slaves
DDR2 Port 1
DDR2 Port 2
DDR2 Port 3
Master to Slave Access
SMD
All the Masters can normally access all the Slaves. However, some paths do not make sense,
for example allowing access from the USB Device High speed DMA to the Internal Peripherals.
Thus, these paths are forbidden or simply not wired, and shown as “-” in the following table.
ARM926 Instr. ARM926 Data
X
X
X
X
X
X
X
X
0
-
-
X
X
X
X
X
X
X
X
1
-
-
DMA 0
2&3
X
X
X
X
X
X
-
-
-
-
DMA 1
4&5
X
X
X
X
X
X
X
-
-
-
USB Device
HS DMA
X
X
6
-
-
-
-
-
-
-
-
USB Host HS
EHCI
X
X
7
-
-
-
-
-
-
-
-
USB Host HS
11052AS–ATARM–27-Jul-11
OHCI
8
X
X
-
-
-
-
-
-
-
-
LCD DMA
X
X
X
9
-
-
-
-
-
-
-