SAM3N2A Atmel Corporation, SAM3N2A Datasheet - Page 416
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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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26.7.28
Name:
Addresses:
Access:
• P0-P31: Glitch or Debouncing Filter Selection Status
0 = The Glitch Filter is able to filter glitches with a duration < Tmck2.
1 = The Debouncing Filter is able to filter pulses with a duration < Tdiv_slclk/2.
26.7.29
Name:
Addresses:
Access:
• DIVx: Slow Clock Divider Selection for Debouncing
Tdiv_slclk = 2*(DIV+1)*Tslow_clock.
416
416
DIV7
P31
P23
P15
P7
31
23
15
31
23
15
7
7
-
-
-
SAM3N
SAM3N
PIO Input Filter Slow Clock Status Register
PIO Slow Clock Divider Debouncing Register
DIV6
P30
P22
P14
P6
30
22
14
30
22
14
PIO_IFSCSR
0x400E0E88 (PIOA), 0x400E1088 (PIOB), 0x400E1288 (PIOC)
Read-only
6
PIO_SCDR
0x400E0E8C (PIOA), 0x400E108C (PIOB), 0x400E128C (PIOC)
Read-write
6
-
-
-
DIV13
DIV5
P13
P29
P21
P5
29
21
13
29
21
13
5
5
-
-
DIV12
DIV4
P28
P20
P12
P4
28
20
12
28
20
12
4
4
-
-
DIV11
DIV3
P11
P27
P19
P3
27
19
11
27
19
11
3
3
-
-
DIV10
DIV2
P26
P18
P10
P2
26
18
10
26
18
10
2
2
-
-
DIV9
DIV1
P25
P17
P9
P1
25
17
25
17
9
1
9
1
-
-
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
DIV0
DIV8
P24
P16
P8
P0
24
16
24
16
8
0
8
0
-
-
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