ATSAM3U2EA-AU Atmel, ATSAM3U2EA-AU Datasheet - Page 63
![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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• C
Carry or borrow flag:
0 = add operation did not result in a carry bit or subtract operation resulted in a borrow bit
1 = add operation resulted in a carry bit or subtract operation did not result in a borrow bit.
• V
Overflow flag:
0 = operation did not result in an overflow
1 = operation resulted in an overflow.
• Q
Sticky saturation flag:
0 = indicates that saturation has not occurred since reset or since the bit was last cleared to zero
1 = indicates when an
This bit is cleared to zero by software using an
13.3.3.7
• ISR_NUMBER
This is the number of the current exception:
0 = Thread mode
1 = Reserved
2 = NMI
3 = Hard fault
4 = Memory management fault
5 = Bus fault
6 = Usage fault
7-10 = Reserved
11 = SVCall
12 = Reserved for Debug
13 = Reserved
14 = PendSV
15 = SysTick
16 = IRQ0
45 = IRQ29
see
6430D–ATARM–25-Mar-11
“Exception types” on page 79
Interrupt Program Status Register
SSAT
The IPSR contains the exception type number of the current Interrupt Service Routine (ISR).
See the register summary in
or
USAT
instruction results in saturation.
for more information.
MRS
instruction.
Table 13-2 on page 59
for its attributes. The bit assignments are:
SAM3U Series
63
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