ATSAM3U4CA-CU Atmel, ATSAM3U4CA-CU Datasheet - Page 225
ATSAM3U4CA-CU
Manufacturer Part Number
ATSAM3U4CA-CU
Description
IC MCU 32BIT 256KB FLSH 100TFBGA
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U4CA-CU
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
57
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
52K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 4x10b, 4x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TFBGA
Processor Series
ATSAM3x
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
52 KB
Interface Type
3xUSART, TWI, 4xSPI, Bus
Maximum Clock Frequency
96 MHz
Number Of Programmable I/os
57
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
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATSAM3U4CA-CU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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- Download datasheet (25Mb)
13.22.9.1
6430D–ATARM–25-Mar-11
MPU configuration for a microcontroller
Usually, a microcontroller system has only a single processor and no caches. In such a system,
program the MPU as follows:
Table 13-40. Memory region attributes for a microcontroller
In most microcontroller implementations, the share ability and cache policy attributes do not
affect the system behavior. However, using these settings for the MPU regions can make the
application code more portable. The values given are for typical situations. In special systems,
such as multiprocessor designs or designs with a separate DMA engine, the share ability attri-
bute might be important. In these cases refer to the recommendations of the memory device
manufacturer.
Memory region
Flash memory
Internal SRAM
External SRAM
Peripherals
TEX
b000
b000
b000
b000
1
1
1
0
C
B
0
0
1
1
1
S
0
1
1
Memory type and attributes
Normal memory, Non-shareable, write-through
Normal memory, Shareable, write-through
Normal memory, Shareable, write-back, write-allocate
Device memory, Shareable
SAM3U Series
225
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