ATSAM3U4EA-CU Atmel, ATSAM3U4EA-CU Datasheet - Page 221
![IC MCU 32BIT 256KB FLSH 144LFBGA](/photos/12/13/121356/144-lfbga_sml.jpg)
ATSAM3U4EA-CU
Manufacturer Part Number
ATSAM3U4EA-CU
Description
IC MCU 32BIT 256KB FLSH 144LFBGA
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U4EA-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
96
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 8x10b, 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LFBGA
Processor Series
ATSAM3x
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
52 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, AT91SAM3U-EK, 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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6430D–ATARM–25-Mar-11
Table 13-37. TEX, C, B, and S encoding (Continued)
1.
Table 13-38
range 4-7.
Table 13-38. Cache policy for memory attribute encoding
Table 13-39
unprivileged software.
Table 13-39. AP encoding
TEX
b001
b010
b1B
B
Encoding, AA or BB
00
01
10
11
AP[2:0]
000
001
010
011
100
The MPU ignores the value of this bit.
C
0
1
0
1
A
Privileged
permissions
No access
RW
RW
RW
Unpredictable
shows the cache policy for memory attribute encodings with a TEX value is in the
shows the AP encodings that define the access permissions for privileged and
B
0
1
0
1
0
1
x
A
(1)
S
0
1
x
x
0
1
x
x
x
0
1
(1)
(1)
(1)
(1)
(1)
Corresponding cache policy
Non-cacheable
Write back, write and read allocate
Write through, no write allocate
Write back, no write allocate
Memory type
Normal
Reserved encoding
Implementation defined
attributes.
Normal
Device
Reserved encoding
Reserved encoding
Normal
Unprivileged
permissions
No access
No access
RO
RW
Unpredictable
Shareability
Not
shareable
Shareable
Not
shareable
Shareable
Not
shareable
Not
shareable
Shareable
Description
All accesses generate a permission fault
Access from privileged software only
Writes by unprivileged software generate a permission
fault
Full access
Reserved
Other attributes
-
-
Outer and inner write-back. Write and
read allocate.
Nonshared Device.
-
-
SAM3U Series
221
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