AT91SAM9261S_09 Datasheet, PDF (15/39 Pages) ATMEL Corporation – AT91 ARM Thumb-based Microcontrollers

8. Memories
Figure 8-1. AT91SAM9261S Memory Mapping
Address Memory Space
0x0000 0000
0x0FFF FFFF
0x1000 0000
0x1FFF FFFF
0x2000 0000
0x2FFF FFFF
0x3000 0000
0x3FFF FFFF
0x4000 0000
0x4FFF FFFF
0x5000 0000
0x5FFF FFFF
0x6000 0000
0x6FFF FFFF
0x7000 0000
0x7FFF FFFF
0x8000 0000
0x8FFF FFFF
0x9000 0000
Internal Memories
EBI
Chip Select 0
EBI
Chip Select 1/
SDRAMC
EBI
Chip Select 2
EBI
Chip Select 3/
NAND Flash
EBI
Chip Select 4/
Compact Flash
Slot 0
EBI
Chip Select 5/
Compact Flash
Slot 1
EBI
Chip Select 6
EBI
Chip Select 7
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
Internal Memory Mapping
0x0000 0000
0x10 0000
Boot Memory (1)
0x20 0000
Reserved
0x30 0000
Reserved
0x40 0000
SRAM
0x50 0000
ROM
UHP User Interface
0x60 0000
LCD User Interface
0x70 0000
Reserved
0x0FFF FFFF
1M Bytes
1M Bytes
1M Bytes
1M Bytes
0xF000 0000
Peripheral Mapping
Reserved
0xFFFA 0000
0xFFFA 4000
0xFFFA 8000
0xFFFA C000
0xFFFB 0000
TCO, TC1, TC2 16K Bytes
UDP
16K Bytes
MCI
16K Bytes
TWI
16K Bytes
Undefined
(Abort)
0xEFFF FFFF
0xF000 0000
0xFFFB 4000
1,518M Bytes
0xFFFB 8000
0xFFFB C000
0xFFFC 0000
0xFFFC 4000
0xFFFC 8000
0xFFFC C000
0xFFFC D000
USART0
USART1
USART2
SSC0
SSC1
SSC2
SPI0
SPI1
Reserved
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
Internal Peripherals 256M Bytes
0xFFFF FFFF
0xFFFF C000
0xFFFF FFFF
SYSC
16K Bytes
6242ES–ATARM–11-Sep-09
AT91SAM9261S
Notes :
(1) Can be ROM, EBI_NCS0 or SRAM
depending on BMS and REMAP
System Controller Mapping
0xFFFF C000
Reserved
0xFFFF EA00
0xFFFF EC00
0xFFFF EE00
0xFFFF F000
0xFFFF F200
0xFFFF F400
0xFFFF F600
0xFFFF F800
0xFFFF FA00
0xFFFF FC00
0xFFFF FD00
0xFFFF FD10
0xFFFF FD20
0xFFFF FD30
0xFFFF FD40
0xFFFF FD50
0xFFFF FD60
0xFFFF FFFF
SDRAMC
SMC
MATRIX
AIC
DBGU
PIOA
PIOB
PIOC
Reserved
PMC
RSTC
SHDWC
RTT
PIT
WDT
GPBR
Reserved
512 Bytes
512 Bytes
512 Bytes
512 Bytes
512 Bytes
512 Bytes
512 bytes
512 bytes
256 Bytes
16 Bytes
16 Bytes
16 Bytes
16 Bytes
16 Bytes
16 Bytes
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