ATSAM3X4EA-AU Atmel, ATSAM3X4EA-AU Datasheet - Page 712

• Manufacturer Part Number: ATSAM3X4EA-AU
• Description: ARM Microcontrollers - MCU QFP144,GREEN, IND TEMP, MRL A
• Manufacturer: Atmel

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

33.8.11
Name:
Address:
Access:
• WPVS: Write Protection Violation Status
0 = No Write Protect Violation has occurred since the last read of the SPI_WPSR register.
1 = A Write Protect Violation has occurred since the last read of the SPI_WPSR register. If this violation is an unauthorized
attempt to write a protected register, the associated violation is reported into field WPVSRC.
• WPVSRC: Write Protection Violation Source
This Field indicates the APB Offset of the register concerned by the violation (SPI_MR or SPI_CSRx)
712
712
31
23
15
–
–
7
–
SAM3X/A
SAM3X/A
SPI Write Protection Status Register
30
22
14
SPI_WPSR
0x400080E8 (0), 0x4000C0E8 (1)
Read-only
–
–
6
–
29
21
13
–
–
5
–
28
20
12
–
4
–
–
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