ATSAM3S4CA-AU Atmel, ATSAM3S4CA-AU Datasheet - Page 113
ATSAM3S4CA-AU
Manufacturer Part Number
ATSAM3S4CA-AU
Description
IC MCU 32BIT 256KB FLASH 100LQFP
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S4CA-AU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
64MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
79
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 16x10/12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Controller Family/series
ATSAM3S
No. Of I/o's
79
Ram Memory Size
48KB
Cpu Speed
64MHz
No. Of Timers
6
Rohs Compliant
Yes
Processor Series
ATSAM3x
Core
ARM Cortex M3
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3S-EK
Cpu Family
AT91
Device Core
ARM Cortex-M3
Device Core Size
32b
Frequency (max)
64MHz
Total Internal Ram Size
48KB
# I/os (max)
79
Number Of Timers - General Purpose
6
Operating Supply Voltage (typ)
1.8/3.3V
Operating Supply Voltage (max)
1.95/3.6V
Operating Supply Voltage (min)
1.62V
On-chip Adc
16-chx12-bit
On-chip Dac
2-chx12-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
100
Package Type
LQFP
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
Part Number:
ATSAM3S4CA-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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10.13.5
10.13.5.1
10.13.5.2
10.13.5.3
10.13.5.4
10.13.5.5
6500C–ATARM–8-Feb-11
CMP
CMN
CMPGT
CMP and CMN
Syntax
Operation
Restrictions
Condition flags
Examples
R2, R9
R0, #6400
SP, R7, LSL #2
Compare and Compare Negative.
where:
cond
Rn
Operand2
details of the options.
These instructions compare the value in a register with Operand2. They update the condition
flags on the result, but do not write the result to a register.
The CMP instruction subtracts the value of Operand2 from the value in Rn. This is the same as
a SUBS instruction, except that the result is discarded.
The CMN instruction adds the value of Operand2 to the value in Rn. This is the same as an
ADDS instruction, except that the result is discarded.
In these instructions:
These instructions update the N, Z, C and V flags according to the result.
• do not use PC
• Operand2 must not be SP.
CMP{cond} Rn, Operand2
CMN{cond} Rn, Operand2
is an optional condition code, see
is the register holding the first operand.
is a flexible second operand. See
“Conditional execution” on page
“Flexible second operand” on page 80
SAM3S Preliminary
84.
113
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