Datasheet

30
6430FS–ATARM–10-Feb-12
SAM3U Series
8. Product Mapping
Figure 8-1. SAM3U Memory Mapping
Address memory space
Code
0x00000000
Internal SRAM
0x20000000
Peripherals
0x40000000
External SRAM
0x60000000
Reserved
0xA0000000
System
0xE0000000
0xFFFFFFFF
Code
1 MByte
bit band
region
1 MByte
bit band
region
Boot Memory
0x00000000
Internal Flash 0
0x00080000
Internal Flash 1
0x00100000
Internal ROM
0x00180000
Reserved
0x00200000
0x1FFFFFFF
Internal SRAM
SRAM0
0x20000000
SRAM1
0x20080000
NFC (SRAM)
0x20100000
UDPHS (DMA)
32 MBytes
bit band alias
Undefined
0x20180000
0x20200000
0x22000000
0x240000000x24000000
0x40000000
External SRAM
Chip Select 0
0x60000000
Chip Select 1
0x61000000
Chip Select 2
0x62000000
Chip Select 3
0x63000000
reserved
0x64000000
NFC
0x68000000
reserved
0x69000000
0x9FFFFFFF
System Controller
SMC
0x400E0000
MATRIX
0x400E0200
PMC
5
0x400E0400
UART
8
0x400E0600
CHIPID
0x400E0740
EFC0
6
0x400E0800
EFC1
7
0x400E0A00
PIOA
10
0x400E0C00
PIOB
11
0x400E0E00
PIOC
12
0x400E1000
RSTC
0x400E1200
1
SUPC
+0x10
RTT
+0x30
3
WDT
+0x50
4
RTC
+0x60
2
SYSC
GPBR
+0x90
reserved
0x400E1400
0x4007FFFF
offset
ID
peripheral
block
Peripherals
MCI
17
0x40000000
SSC
21
0x40004000
SPI
20
0x40008000
Reserved
0x4000C000
TC0
TC0
0x40080000
22
TC0
TC1
+0x40
23
TC0
TC2
+0x80
24
TWI0
18
0x40084000
TWI1
19
0x40088000
PWM
25
0x4008C000
USART0
13
0x40090000
USART1
14
0x40094000
USART2
15
0x40098000
USART3
16
0x4009C000
Reserved
0x400A0000
UDPHS
29
0x400A4000
ADC12B
26
0x400A8000
ADC
27
0x400AC000
DMAC
28
0x400B0000
Reserved
0x400B3FFF
System Controller
0x400E0000
0x400E2600
0x40100000
0x42000000
0x44000000
0x60000000
Undefined
Reserved
Reserved
Reserved
32 MBytes
bit band alias