SAM3N2A Atmel Corporation, SAM3N2A Datasheet - Page 678
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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33.7.18
Name:
Address:
Access:
• WPVS: Write Protect Violation Status
0 = No Write Protect Violation has occurred since the last read of the ADC_WPSR register.
1 = A Write Protect Violation has occurred since the last read of the ADC_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 ADC_WPSR automatically clears all fields.
678
678
31
23
15
—
—
7
SAM3N
SAM3N
ADC Write Protect Status Register
30
22
14
—
—
ADC_WPSR
0x400380E8
Read-only
6
29
21
13
—
—
5
28
—
20
12
—
4
WPVSRC
WPVSRC
27
19
11
—
—
3
26
—
18
10
—
2
25
17
—
—
9
1
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
WPVS
24
—
16
8
0
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