Datasheet
16
6062LS–ATARM–23-Mar-09
AT91SAM9261
8. Memories
Figure 8-1. AT91SAM9261 Memory Mapping
16K Bytes
16K Bytes
0xFFFC 0000
16K Bytes
0xFFFC 4000
SPI1
0xFFFC C000
SPI0
16K Bytes
0xFFFC 8000
16K Bytes
16K Bytes
16K Bytes
0xFFFA 4000
TCO, TC1, TC2
0xFFFA 8000
MCI
0xFFFB 0000
0xFFFB 4000
USART0
0xFFFB C000
USART1
0xFFFA 0000
0xFFFA C000
USART2
16K Bytes
TWI
16K Bytes
16K Bytes
0xFFFB 8000
16K Bytes
16K Bytes
UDP
SSC0
256M Bytes
0x1000 0000
0x0000 0000
0x0FFF FFFF
0xFFFF FFFF
0xF000 0000
0xEFFF FFFF
Address Memory Space
Internal Peripherals
Internal Memories
EBI
Chip Select 0
EBI
Chip Select 1/
SDRAMC
EBI
Chip Select 2
EBI
Chip Select 3/
NANDFlash
EBI
Chip Select 4/
Compact Flash
Slot 0
EBI
Chip Select 5/
Compact Flash
Slot 1
EBI
Chip Select 6
EBI
Chip Select 7
Undefined
(Abort)
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
1,518M Bytes
0x2000 0000
0x1FFF FFFF
0x3000 0000
0x2FFF FFFF
0x4000 0000
0x3FFF FFFF
0x6FFF FFFF
0x6000 0000
0x5FFF FFFF
0x5000 0000
0x4FFF FFFF
0x7000 0000
0x7FFF FFFF
0x8000 0000
0x8FFF FFFF
0x9000 0000
256M Bytes
0xFFFF FD00
0xFFFF FC00
0xFFFF FA00
0xFFFF F800
0xFFFF F600
0xFFFF F400
0xFFFF F200
16 Bytes
256 Bytes
512 bytes
512 bytes
512 Bytes
512 Bytes
PMC
PIOC
PIOB
PIOA
DBGU
RSTC
0xFFFF F000
512 Bytes
AIC
0xFFFF EE00
512 Bytes
MATRIX
0xFFFF EC00
512 Bytes
SMC
0xFFFF FD10
16 Bytes
SHDWC
0xFFFF EA00
512 Bytes
SDRAMC
0xFFFF FD20
16 Bytes
RTT
0xFFFF FD30
16 Bytes
PIT
0xFFFF FD40
16 Bytes
WDT
0xFFFF FD50
16 Bytes
GPBR
0xFFFF FD60
Reserved
Reserved
256M Bytes
1M Bytes
ITCM (2)
0x20 0000
DTCM (2)
0x30 0000
SRAM (2)
0x10 0000
UHP User Interface
0x50 0000
Reserved
0x0FFF FFFF
Peripheral Mapping
Internal Memory Mapping
Boot Memory (1)
0x0000 0000
(1) Can be ROM, EBI_NCS0 or SRAM
depending on BMS and REMAP
Notes :
LCD User Interface
0x60 0000
(2) Software programmable
SSC1
SSC2
0xFFFC D000
0xFFFF C000
SYSC
Reserved
0xFFFF FFFF
System Controller Mapping
16K Bytes
0xFFFF FFFF
Reserved
0xFFFF C000
0x70 0000
1M Bytes
1M Bytes
1M Bytes
1M Bytes
Reserved
0xF000 0000
0x40 0000
ROM
1M Bytes