SAM3U Datasheet, PDF (30/59 Pages) ATMEL Corporation – AT91SAM ARM-based Flash MCU

8. Product Mapping
Figure 8-1. SAM3U Memory Mapping
1 MByte
bit band
region
0x00000000
0x00080000
0x00100000
0x00180000
0x00200000
0x1FFFFFFF
0x20000000
0x20080000
0x20100000
0x20180000
0x20200000
0x22000000
0x24000000
0x40000000
Code
Boot Memory
Internal Flash 0
Internal Flash 1
Internal ROM
Reserved
Internal SRAM
SRAM0
SRAM1
NFC (SRAM)
UDPHS (DMA)
Undefined
32 MBytes
bit band alias
Undefined
0x60000000
0x61000000
0x62000000
0x63000000
0x64000000
0x68000000
0x69000000
0x9FFFFFFF
External SRAM
Chip Select 0
Chip Select 1
Chip Select 2
Chip Select 3
reserved
NFC
reserved
offset
block
peripheral
ID
Address memory space
0x00000000
Code
0x20000000
Internal SRAM
0x40000000
Peripherals
0x60000000
External SRAM
0xA0000000
Reserved
0xE0000000
System
0xFFFFFFFF
0x400E0000
System Controller
SMC
0x400E0200
MATRIX
0x400E0400
0x400E0600
PMC
5
0x400E0740
UART
8
CHIPID
0x400E0800
0x400E0A00
EFC0
6
0x400E0C00
EFC1
7
0x400E0E00
PIOA
10
0x400E1000
PIOB
11
0x400E1200
PIOC
12
+0x10
RSTC
1
SUPC
+0x30
+0x50
RTT
3
+0x60
WDT
4
RTC
+0x90
2
SYSC _GPBR
0x400E1400
reserved
0x4007FFFF
0x40000000
0x40004000
0x40008000
0x4000C000
Peripherals
MCI
17
SSC
21
SPI
20
Reserved
0x40080000
TC0
TC0
+0x40
22
TC0
TC1
+0x80
23
TC0
TC2
0x40084000
24
0x40088000
TWI0
18
0x4008C000
TWI1
19
0x40090000
PWM
25
0x40094000
USART0
13
0x40098000
USART1
14
0x4009C000
USART2
15
0x400A0000
USART3
16
Reserved
0x400A4000
0x400A8000
0x400AC000
0x400B0000
0x400B3FFF
UDPHS
29
ADC12B
26
ADC
27
DMAC
28
Reserved
0x400E0000
System Controller
0x400E2600
0x40100000
0x42000000
0x44000000
Reserved
Reserved
32 MBytes
bit band alias
0x60000000
Reserved
1 MByte
bit band
region
30 SAM3U Series
6430ES–ATARM–22-Aug-11