SAM3N4C Atmel Corporation, SAM3N4C Datasheet - Page 220
SAM3N4C
Manufacturer Part Number
SAM3N4C
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N4C
Flash (kbytes)
256 Kbytes
Pin Count
100
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
3
Twi (i2c)
2
Uart
4
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
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)
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
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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12.5.3
Name:
Address:
Access:
• URSTEN: User Reset Enable
0 = The detection of a low level on the pin NRST does not generate a User Reset.
1 = The detection of a low level on the pin NRST triggers a User Reset.
• URSTIEN: User Reset Interrupt Enable
0 = USRTS bit in RSTC_SR at 1 has no effect on rstc_irq.
1 = USRTS bit in RSTC_SR at 1 asserts rstc_irq if URSTEN = 0.
• ERSTL: External Reset Length
This field defines the external reset length. The external reset is asserted during a time of 2
allows assertion duration to be programmed between 60 µs and 2 seconds.
• KEY: Password
Should be written at value 0xA5. Writing any other value in this field aborts the write operation.
220
31
23
15
–
–
7
–
SAM3N
Reset Controller Mode Register
30
22
14
RSTC_MR
0x400E1408
Read-write
–
–
6
–
29
21
13
–
–
5
URSTIEN
28
20
12
–
–
4
KEY
27
19
11
–
3
–
26
18
10
–
2
–
ERSTL
(ERSTL+1)
25
17
–
9
1
–
Slow Clock cycles. This
11011A–ATARM–04-Oct-10
URSTEN
24
16
–
8
0
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