SAM3N1B Atmel Corporation, SAM3N1B Datasheet - Page 48
SAM3N1B
Manufacturer Part Number
SAM3N1B
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N1B
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
48 MHz
Cpu
Cortex-M3
# Of Touch Channels
17
Hardware Qtouch Acquisition
No
Max I/o Pins
34
Ext Interrupts
34
Quadrature Decoder Channels
2
Usb Speed
No
Usb Interface
No
Spi
3
Twi (i2c)
2
Uart
4
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
10
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
8
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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• C
Carry or borrow flag:
0 = add operation did not result in a carry bit or subtract operation resulted in a borrow bit
1 = add operation resulted in a carry bit or subtract operation did not result in a borrow bit.
• V
Overflow flag:
0 = operation did not result in an overflow
1 = operation resulted in an overflow.
• Q
Sticky saturation flag:
0 = indicates that saturation has not occurred since reset or since the bit was last cleared to zero
1 = indicates when an
This bit is cleared to zero by software using an
10.4.3.7
• ISR_NUMBER
This is the number of the current exception:
0 = Thread mode
1 = Reserved
2 = NMI
3 = Hard fault
4 = Memory management fault
5 = Bus fault
6 = Usage fault
7-10 = Reserved
11 = SVCall
12 = Reserved for Debug
13 = Reserved
14 = PendSV
15 = SysTick
16 = IRQ0
26 = IRQ32
see
48
“Exception types” on page 63
SAM3N
Interrupt Program Status Register
SSAT
The IPSR contains the exception type number of the current Interrupt Service Routine (ISR).
See the register summary in
or
USAT
instruction results in saturation.
for more information.
MRS
instruction.
Table 10-2 on page 44
for its attributes. The bit assignments are:
11011A–ATARM–04-Oct-10
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