ATSAM3S4AA-AU Atmel, ATSAM3S4AA-AU Datasheet - Page 132
ATSAM3S4AA-AU
Manufacturer Part Number
ATSAM3S4AA-AU
Description
IC MCU 32BIT 256KB FLASH 48LQFP
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S4AA-AU
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-LQFP
Controller Family/series
ATSAM3S
No. Of I/o's
34
Ram Memory Size
48KB
Cpu Speed
64MHz
No. Of Timers
6
Rohs Compliant
Yes
Package
48LQFP
Device Core
ARM Cortex M3
Family Name
AT91
Maximum Speed
64 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
34
Interface Type
I2C/I2S/SPI/UART/USART/USB
On-chip Adc
9-chx12-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3S4AA-AU
Manufacturer:
ON
Quantity:
2 001
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10.17.2
10.17.2.1
10.17.2.2
10.17.2.3
10.17.2.4
10.17.2.5
132
CBZ
CBNZ
SAM3S Preliminary
CBZ and CBNZ
Syntax
Operation
Restrictions
Condition flags
Examples
R5, target ; Forward branch if R5 is zero
R0, target ; Forward branch if R0 is not zero
Compare and Branch on Zero, Compare and Branch on Non-Zero.
where:
Rn
label
Use the CBZ or CBNZ instructions to avoid changing the condition code flags and to reduce the
number of instructions.
CBZ Rn, label does not change condition flags but is otherwise equivalent to:
CBNZ Rn, label does not change condition flags but is otherwise equivalent to:
The restrictions are:
These instructions do not change the flags.
• Rn must be in the range of R0 to R7
• the branch destination must be within 4 to 130 bytes after the instruction
• these instructions must not be used inside an IT block.
CBZ Rn, label
CBNZ Rn, label
CMP
BEQ
CMP
BNE
is the register holding the operand.
is the branch destination.
Rn, #0
label
Rn, #0
label
6500C–ATARM–8-Feb-11
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