Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet

SAM4S Series [DATASHEET]

Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14

660

SSC_WPMR

0x400040E4

Read-write

0 = Disables the Write Protect if WPKEY corresponds to 0x535343 (“SSC” in ASCII). 
1 = Enables the Write Protect if WPKEY corresponds to 0x535343 (“SSC” in ASCII). 
Protects the registers:

• “SSC Clock Mode Register” on page 637

• “SSC Receive Clock Mode Register” on page 638

• “SSC Receive Frame Mode Register” on page 640

• “SSC Transmit Clock Mode Register” on page 642

• “SSC Transmit Frame Mode Register” on page 644

• “SSC Receive Compare 0 Register” on page 650

• “SSC Receive Compare 1 Register” on page 651

31

30

29

28

27

26

25

24

WPKEY

23

22

21

20

19

18

17

16

WPKEY

15

14

13

12

11

10

9

8

WPKEY

7

6

5

4

3

2

1

0

–

–

–

–

–

–

–

WPEN

0x535343

PASSWD

Writing any other value in this field aborts the write operation of the WPEN bit.
Always reads as 0.