SAM3S2A Atmel Corporation, SAM3S2A Datasheet - Page 93
SAM3S2A
Manufacturer Part Number
SAM3S2A
Description
Manufacturer
Atmel Corporation
Specifications of SAM3S2A
Flash (kbytes)
128 Kbytes
Pin Count
48
Max. Operating Frequency
64 MHz
Cpu
Cortex-M3
# Of Touch Channels
17
Hardware Qtouch Acquisition
No
Max I/o Pins
47
Ext Interrupts
47
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
2
Uart
3
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
YES
Dram Memory
No
Nand Interface
Yes
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
Yes / No
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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6500C–ATARM–8-Feb-11
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
SAM3S
93
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