ATSAM3U2CA-CU Atmel, ATSAM3U2CA-CU Datasheet - Page 111
ATSAM3U2CA-CU
Manufacturer Part Number
ATSAM3U2CA-CU
Description
IC MCU 32BIT 128KB FLSH 100TFBGA
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U2CA-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
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 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
36 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
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3U2CA-CU
Manufacturer:
PERICOM
Quantity:
3 186
Part Number:
ATSAM3U2CA-CU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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13.11.5
13.11.5.1
13.11.5.2
13.11.5.3
6430D–ATARM–25-Mar-11
LDR, PC-relative
Syntax
Operation
Restrictions
Load register from memory.
where:
type
cond
Rt
Rt2
label
LDR loads a register with a value from a PC-relative memory address. The memory address is
specified by a label or by an offset from the PC.
The value to load or store can be a byte, halfword, or word. For load instructions, bytes and half-
words can either be signed or unsigned. See
label must be within a limited range of the current instruction.
offsets between label and the PC.
Table 13-19. Offset ranges
You might have to use the .W suffix to get the maximum offset range. See
selection” on page
In these instructions:
When Rt is PC in a word load instruction:
Instruction type
Word, halfword, signed halfword, byte, signed
byte
Two words
• Rt can be SP or PC only for word loads
• Rt2 must not be SP and must not be PC
• Rt must be different from Rt2.
LDR{type}{cond} Rt, label
LDRD{cond} Rt, Rt2, label
B
SB
H
SH
-
is one of:
unsigned byte, zero extend to 32 bits.
signed byte, sign extend to 32 bits.
unsigned halfword, zero extend to 32 bits.
signed halfword, sign extend to 32 bits.
omit, for word.
is an optional condition code, see
is the register to load or store.
is the second register to load or store.
is a PC-relative expression. See
102.
“Address alignment” on page
; Load two words
Offset range
− 4095 to 4095
− 1020 to 1020
“PC-relative expressions” on page
“Conditional execution” on page
Table 13-19
SAM3U Series
99.
shows the possible
“Instruction width
100.
100.
111
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