ATSAM3X4EA-AU Atmel, ATSAM3X4EA-AU Datasheet - Page 678
ATSAM3X4EA-AU
Manufacturer Part Number
ATSAM3X4EA-AU
Description
ARM Microcontrollers - MCU QFP144,GREEN, IND TEMP, MRL A
Manufacturer
Atmel
Datasheet
1.ATSAM3X8EA-AU.pdf
(1467 pages)
Specifications of ATSAM3X4EA-AU
Rohs
yes
Core
ARM Cortex M3
Processor Series
SAM3X
Data Bus Width
32 bit
Maximum Clock Frequency
84 MHz
Program Memory Size
256 KB
Data Ram Size
64 KB
On-chip Adc
Yes
Operating Supply Voltage
2.4 V to 3.6 V
Operating Temperature Range
- 40 C to +85 C
Package / Case
LQFP-144
Mounting Style
SMD/SMT
Factory Pack Quantity
60
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32.7.43
Name:
Address:
Access:
Reset:
• WPVS: Write Protect Violation Status
0: No Write Protect Violation has occurred since the last read of the PIO_WPSR register.
1: A Write Protect Violation has occurred since the last read of the PIO_WPSR register. If this violation is an unauthorized
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.
Note:
678
678
31
23
15
—
—
7
Reading PIO_WPSR automatically clears all fields.
SAM3X/A
SAM3X/A
PIO Write Protect Status Register
PIO_WPSR
0x400E0EE8 (PIOA), 0x400E10E8 (PIOB), 0x400E12E8 (PIOC), 0x400E14E8 (PIOD),
0x400E16E8 (PIOE), 0x400E18E8 (PIOF)
Read-only
See
Table 32-3
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
11057B–ATARM–28-May-12
11057B–ATARM–28-May-12
WPVS
24
—
16
8
0
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