ATSAM3U2EA-AU Atmel, ATSAM3U2EA-AU Datasheet - Page 34
![IC MCU 32BIT 128KB FLASH 144LQFP](/photos/6/72/67244/144l1-lqfp_sml.jpg)
ATSAM3U2EA-AU
Manufacturer Part Number
ATSAM3U2EA-AU
Description
IC MCU 32BIT 128KB FLASH 144LQFP
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U2EA-AU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
96MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
36K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b, 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Controller Family/series
SAM3U
No. Of I/o's
96
Ram Memory Size
36KB
Cpu Speed
96MHz
No. Of Timers
3
Rohs Compliant
Yes
Processor Series
ATSAM3x
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
36 KB
Interface Type
4xUSART, 2xTWI, 5xSPI, Bus
Maximum Clock Frequency
96 MHz
Number Of Programmable I/os
96
Number Of Timers
8
Operating Supply Voltage
1.62 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3U-EK
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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9.1.4
9.2
9.2.1
9.2.2
9.2.3
34
External Memories
SAM3U Series
Boot Strategies
Static Memory Controller
NAND Flash Controller
NAND Flash Error Corrected Code Controller
The system always boots at address 0x0. To ensure a maximum boot possibilities the memory
layout can be changed via GPNVM.
A general purpose NVM (GPNVM1) bit is used to boot either on the ROM (default) or from the
Flash.
The GPNVM bit can be cleared or set respectively through the commands “Clear General-pur-
pose NVM Bit” and “Set General-purpose NVM Bit” of the EEFC User Interface.
Setting the GPNVM Bit 1 selects the boot from the Flash, clearing it selects the boot from the
ROM. Asserting ERASE clears the GPNVM Bit 1 and thus selects the boot from the ROM by
default.
GPNVM2 enables to select if Flash 0 or Flash 1 is used for the boot. Setting the GPNVM2 bit
selects the boot from Flash 1, clearing it selects the boot from Flash 0.
The SAM3U offers an interface to a wide range of external memories and to any parallel
peripheral.
• 8- or 16- bit Data Bus
• Up to 24-bit Address Bus (up to 16 MBytes linear per chip select)
• Up to 4 chips selects, Configurable Assignment
• Multiple Access Modes supported
• Multiple device adaptability
• Multiple Wait State Management
• Slow Clock mode supported
• Handles automatic Read/Write transfer through 4224 bytes SRAM buffer
• DMA support
• Supports SLC NAND Flash technology
• Programmable timing on a per chip select basis
• Programmable Flash Data width 8-bit or 16-bit
• Integrated in the NAND Flash Controller
• Single bit error correction and 2-bit Random detection.
• Automatic Hamming Code Calculation while writing
• Automatic Hamming Code Calculation while reading
– Byte Write or Byte Select Lines
– Control signals programmable setup, pulse and hold time for each Memory Bank
– Programmable Wait State Generation
– External Wait Request
– Programmable Data Float Time
– ECC value available in a register
6430D–ATARM–25-Mar-11
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