ATSAM3S4AA-MU Atmel, ATSAM3S4AA-MU Datasheet - Page 128

• Manufacturer Part Number: ATSAM3S4AA-MU
• Description: IC MCU 32BIT 256KB FLASH 48QFN
• Manufacturer: Atmel
• Series: SAM3Sr

Specifications of ATSAM3S4AA-MU

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.62 V ~ 1.95 V
• Data Converters: A/D 8x10/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
• Processor Series: ATSAM3x
• Core: ARM Cortex M3
• 3rd Party Development Tools: JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ATSAM3S-EK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

10.16.3
10.16.3.1
10.16.3.2
10.16.3.3
10.16.3.4
10.16.3.5
128
SXTH
UXTB
SAM3S Preliminary
SXT and UXT
Syntax
Operation
Restrictions
Condition flags
Examples
R4, R6, ROR #16
R3, R10
Sign extend and Zero extend.
where:
extend
cond
Rd
Rm
ROR #n
These instructions do the following:
Do not use SP and do not use PC.
These instructions do not affect the flags.
• Rotate the value from Rm right by 0, 8, 16 or 24 bits.
• Extract bits from the resulting value:
SXTextend{cond} {Rd,} Rm {, ROR #n}
UXTextend{cond} {Rd}, Rm {, ROR #n}
B
H
ROR #8 Value from Rm is rotated right 8 bits.
ROR #16 Value from Rm is rotated right 16 bits.
ROR #24 Value from Rm is rotated right 24 bits.
SXTB extracts bits[7:0] and sign extends to 32 bits.
UXTB extracts bits[7:0] and zero extends to 32 bits.
SXTH extracts bits[15:0] and sign extends to 32 bits.
UXTH extracts bits[15:0] and zero extends to 32 bits.
; Rotate R6 right by 16 bits, then obtain the lower
; halfword of the result and then sign extend to
; 32 bits and write the result to R4.
; Extract lowest byte of the value in R10 and zero
; extend it, and write the result to R3
is one of:
Extends an 8-bit value to a 32-bit value.
Extends a 16-bit value to a 32-bit value.
is an optional condition code, see
is the destination register.
is the register holding the value to extend.
is one of:
If ROR #n is omitted, no rotation is performed.
“Conditional execution” on page
6500C–ATARM–8-Feb-11
84.