ATSAM3U4CA-AU Atmel, ATSAM3U4CA-AU Datasheet - Page 114
ATSAM3U4CA-AU
Manufacturer Part Number
ATSAM3U4CA-AU
Description
IC MCU 32BIT 256KB FLASH 100LQFP
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U4CA-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
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-LQFP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
100
Package Type
LQFP
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
Controller Family/series
SAM3U
No. Of I/o's
57
Ram Memory Size
52KB
Cpu Speed
96MHz
No. Of Timers
3
Rohs Compliant
Yes
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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13.11.6.3
13.11.6.4
13.11.6.5
13.11.6.6
114
LDM
STMDB
STM
LDM
SAM3U Series
Restrictions
Condition flags
Examples
Incorrect examples
R8,{R0,R2,R9}
R1!,{R3-R6,R11,R12}
R5!,{R5,R4,R9} ; Value stored for R5 is unpredictable
R2, {}
The accesses happen in order of decreasing register numbers, with the highest numbered regis-
ter using the highest memory address and the lowest number register using the lowest memory
address. If the writeback suffix is specified, the value of Rn - 4 * (n-1) is written back to Rn.
The PUSH and POP instructions can be expressed in this form. See
115
In these instructions:
When PC is in reglist in an LDM instruction:
These instructions do not change the flags.
• Rn must not be PC
• reglist must not contain SP
• in any STM instruction, reglist must not contain PC
• in any LDM instruction, reglist must not contain PC if it contains LR
• reglist must not contain Rn if you specify the writeback suffix.
• bit[0] of the value loaded to the PC must be 1 for correct execution, and a branch occurs to
• if the instruction is conditional, it must be the last instruction in the IT block.
this halfword-aligned address
for details.
; There must be at least one register in the list
; LDMIA is a synonym for LDM
“PUSH and POP” on page
6430D–ATARM–25-Mar-11
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