SAM3N4A Atmel Corporation, SAM3N4A Datasheet - Page 112
SAM3N4A
Manufacturer Part Number
SAM3N4A
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N4A
Flash (kbytes)
256 Kbytes
Pin Count
48
Max. Operating Frequency
48 MHz
Cpu
Cortex-M3
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
79
Ext Interrupts
79
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)
24
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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10.13.4
10.13.4.1
10.13.4.2
10.13.4.3
10.13.4.4
10.13.4.5
112
CLZ
CLZNE
SAM3N
CLZ
Syntax
Operation
Restrictions
Condition flags
Examples
R4,R9
R2,R3
Count Leading Zeros.
where:
cond
Rd
Rm
The CLZ instruction counts the number of leading zeros in the value in Rm and returns the result
in Rd. The result value is 32 if no bits are set in the source register, and zero if bit[31] is set.
Do not use SP and do not use PC.
This instruction does not change the flags.
CLZ{cond} Rd, Rm
is an optional condition code, see
is the destination register.
is the operand register.
“Conditional execution” on page
11011A–ATARM–04-Oct-10
84.
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