SAM3N2A Atmel Corporation, SAM3N2A Datasheet - Page 93
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SAM3N2A
Manufacturer Part Number
SAM3N2A
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N2A
Flash (kbytes)
128 Kbytes
Pin Count
48
Max. Operating Frequency
48 MHz
Cpu
Cortex-M3
# Of Touch Channels
23
Hardware Qtouch Acquisition
No
Max I/o Pins
47
Ext Interrupts
47
Quadrature Decoder Channels
2
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
2
Uart
3
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
6
Output Compare Channels
6
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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10.12.3.4
10.12.3.5
11011A–ATARM–04-Oct-10
STR
LDRSB
STR
Condition flags
Examples
R0, [R5, R1]
R0, [R5, R1, LSL #1] ; Read byte value from an address equal to
R0, [R1, R2, LSL #2] ; Stores R0 to an address equal to sum of R1
These instructions do not change the flags.
; Store value of R0 into an address equal to
; sum of R5 and R1
; sum of R5 and two times R1, sign extended it
; to a word value and put it in R0
; and four times R2
SAM3N
93
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