at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 17

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

8. Memories
Figure 8-1.
6384B–ATARM–15-Dec-08
0x1000 0000
0x2000 0000
0x3000 0000
0x4000 0000
0x5000 0000
0x6000 0000
0x7000 0000
0x8000 0000
0x9000 0000
0x0000 0000
0xF000 0000
0x0FFF FFFF
0x1FFF FFFF
0x2FFF FFFF
0x3FFF FFFF
0x4FFF FFFF
0x5FFF FFFF
0x6FFF FFFF
0x7FFF FFFF
0x8FFF FFFF
0xEFFF FFFF
0xFFFF FFFF
AT91SAM9G20 Memory Mapping
Address Memory Space
Internal Peripherals
Internal Memories
Compact Flash
Compact Flash
Chip Select 1/
Chip Select 3/
Chip Select 4/
Chip Select 5/
Chip Select 0
Chip Select 2
Chip Select 6
Chip Select 7
NANDFlash
Undefined
SDRAMC
(Abort)
Slot 0
Slot 1
EBI
EBI
EBI
EBI
EBI
EBI
EBI
EBI
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
256M Bytes
1,518M Bytes
0xF000 0000
0xFFFA 0000
0xFFFA 4000
0xFFFA 8000
0xFFFA C000
0xFFFB 0000
0xFFFB 4000
0xFFFB 8000
0xFFFB C000
0xFFFC 0000
0xFFFC 4000
0xFFFC 8000
0xFFFC C000
0xFFFD 0000
0xFFFD 4000
0xFFFD 8000
0xFFFD C000
0xFFFE 0000
0xFFFE 4000
0xFFFF C000
0xFFFF FFFF
0x0FFF FFFF
0x0000 0000
0x10 0000
0x10 8000
0x20 0000
0x20 4000
0x30 0000
0x30 4000
0x50 0000
0x50 4000
Peripheral Mapping
Internal Memory Mapping
TCO, TC1, TC2
TC3, TC4, TC5
Reserved
Reserved
USART0
USART1
USART2
USART3
USART4
USART5
EMAC
SYSC
SPI0
SPI1
UDP
SSC
ADC
MCI
TWI
Boot Memory (1)
ISI
Reserved
Reserved
Reserved
Reserved
SRAM0
SRAM1
ROM
UHP
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
16K Bytes
AT91SAM9G20 Preliminary
16K Bytes
16K Bytes
32K Bytes
16K Bytes
0xFFFF EA00
0xFFFF EC00
0xFFFF EE00
0xFFFF FC00
0xFFFF FD00
0xFFFF FD10
0xFFFF FD20
0xFFFF FD30
0xFFFF FD40
0xFFFF FD50
0xFFFF FD60
0xFFFF FFFF
0xFFFF C000
0xFFFF E800
0xFFFF EF10
0xFFFF F000
0xFFFF F200
0xFFFF F400
0xFFFF F600
0xFFFF F800
0xFFFF FA00
Notes :
(1) Can be ROM, EBI_NCS0 or SRAM
System Controller Mapping
depending on BMS and REMAP
SDRAMC
Reserved
Reserved
Reserved
MATRIX
CCFG
DBGU
SHDC
WDTC
GPBR
RSTC
RTTC
PIOB
PIOC
SMC
PIOA
PMC
PITC
ECC
AIC
512 Bytes
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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