SAM3N1A Atmel Corporation, SAM3N1A Datasheet - Page 375
SAM3N1A
Manufacturer Part Number
SAM3N1A
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N1A
Flash (kbytes)
64 Kbytes
Pin Count
48
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
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)
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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24.15.20 PMC Write Protect Status Register
Name:
Address:
Access:
Reset:
• WPVS: Write Protect Violation Status
0 = No Write Protect Violation has occurred since the last read of the PMC_WPSR register.
1 = A Write Protect Violation has occurred since the last read of the PMC_WPSR register. If this violation is an unauthor-
ized attempt to write a protected register, the associated violation is reported into field WPVSRC.
• WPVSRC: Write Protect Violation Source
When WPVS is active, this field indicates the write-protected register (through address offset or code) in which a write
access has been attempted.
Reading PMC_WPSR automatically clears all fields.
11011A–ATARM–04-Oct-10
31
23
15
–
7
–
PMC_WPSR
0x400E04E8
Read-only
See
Table 24-2
30
22
14
–
6
–
29
21
13
–
5
–
28
20
12
–
4
–
WPVSRC
WPVSRC
27
19
11
–
3
–
26
18
10
–
2
–
25
17
–
9
1
–
SAM3N
WPVS
24
16
–
8
0
375
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