ATSAM3X4EA-AU Atmel, ATSAM3X4EA-AU Datasheet - Page 38
ATSAM3X4EA-AU
Manufacturer Part Number
ATSAM3X4EA-AU
Description
ARM Microcontrollers - MCU QFP144,GREEN, IND TEMP, MRL A
Manufacturer
Atmel
Datasheet
1.ATSAM3X8EA-AU.pdf
(1467 pages)
Specifications of ATSAM3X4EA-AU
Rohs
yes
Core
ARM Cortex M3
Processor Series
SAM3X
Data Bus Width
32 bit
Maximum Clock Frequency
84 MHz
Program Memory Size
256 KB
Data Ram Size
64 KB
On-chip Adc
Yes
Operating Supply Voltage
2.4 V to 3.6 V
Operating Temperature Range
- 40 C to +85 C
Package / Case
LQFP-144
Mounting Style
SMD/SMT
Factory Pack Quantity
60
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9. Memories
9.1
9.1.1
9.1.2
9.1.3
9.1.3.1
9.1.3.2
9.1.3.3
38
Embedded Memories
SAM3X/A
Internal SRAM
Internal ROM
Embedded Flash
Flash Overview
Flash Power Supply
Enhanced Embedded Flash Controller
The SRAM0 is accessible over System Cortex-M3 bus at address 0x2000 0000 and SRAM1 at
address 0x2008 0000. The user can see the SRAM as contiguous thanks to mirror effect, giving
0x2007 0000 - 0x2008 7FFF for SAM3X/A8, 0x2007 8000 - 0x2008 7FFF for SAM3X/A4.
The SRAM0 and SRAM1 are in the bit band region. The bit band alias region is mapped from
0x2200 0000 to 0x23FF FFFF.
The NAND Flash Controller embeds 4224 bytes of internal SRAM. If the NAND Flash controller
is not used, these 4224 Kbytes of SRAM can be used as general purpose. It can be seen at
address 0x2010 0000.
Note:
The SAM3X/A series product embeds an Internal ROM, which contains the SAM-BA and FFPI
program.
At any time, the ROM is mapped at address 0x0018 0000.
The Flash contains a 128-byte write buffer, accessible through a 32-bit interface.
The Flash is supplied by VDDCORE.
The Enhanced Embedded Flash Controller (EEFC) manages accesses performed by the mas-
ters of the system. It enables reading the Flash and writing the write buffer. It also contains a
User Interface, mapped within the Memory Controller on the APB.
The Enhanced Embedded Flash Controller ensures the interface of the Flash block with the 32-
bit internal bus. Its 128-bit wide memory interface increases performance.
• The 144-pin SAM3X and 217-pin SAM3X8H
• The 100-pin SAM3A/X8 product embeds a total of 96 Kbytes high-speed SRAM (64 Kbytes
• The 144-pin SAM3X and 217-pin SAM3X8H
• The 100-pin SAM3A/4 product embeds a total of 64 Kbytes high-speed SRAM (32 Kbytes
• The Flash of the SAM3A/X8 is organized in two banks of 1024 pages (dual plane) of
• The Flash of the SAM3A/X4 is organized in two banks of 512 pages (dual plane) of
speed SRAM (64 Kbytes SRAM0, 32 Kbytes SRAM1 and 4 Kbytes NAND Flash Controller).
SRAM0 and 32 Kbytes SRAM1).
speed SRAM (32 Kbytes SRAM0, 32 Kbytes SRAM1 and 4Kbyte NAND Flash Controller).
SRAM0, 32 Kbytes SRAM1).
256 bytes.
256 bytes.
1. This device is not commercially available. Mounted only on the SAM3X-EK evaluation kit.
(1)
(1)
products embed a total of 100 Kbytes high-
products embed a total of 68 Kbytes high-
11057B–ATARM–28-May-12
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