AT91SAM9G45PRE Datasheet, PDF (934/1218 Pages) ATMEL Corporation – DDR2 Controller 4-bank DDR2/LPDDR, SDRAM/LPSDR

AT91SAM9G45
39.5.25 ISI Write Protection Status
Register Name:
ISI_WPSR
Access Type:
Read-write
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
WP_VSRC
15
14
13
12
11
10
9
8
WP_VSRC
7
6
5
4
3
2
1
0
-
-
-
-
WP_VS
• WP_VSRC: Write Protection Violation Status
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
Other value
WP_VS
No Write Protection Violation occurred since the last read of this
register (WP_SR).
Write Protection detected unauthorized attempt to write a control
register had occurred (since the last read).
Software reset had been performed while Write Protection was
enabled (since the last read).
Both Write Protection violation and software reset with Write
Protection enabled had occurred since the last read.
Reserved
• WP_VSRC: Write Protection Violation Source
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
Other value
WP_VSRC
No Write Protection Violation occurred since the last read of this
register (WP_SR).
Write access in ISI_CFG1 while Write Protection was enabled
(since the last read).
Write access in ISI_CFG2 while Write Protection was enabled
(since the last read).
Write access in ISI_PSIZE while Write Protection was enabled
(since the last read).
Write access in ISI_PDECF while Write Protection was enabled
(since the last read).
Write access in ISI_Y2R_SET0 while Write Protection was
enabled (since the last read).
Write access in ISI_Y2R_SET1 while Write Protection was
enabled (since the last read).
Write access in ISI_R2Y_SET0 while Write Protection was
enabled (since the last read).
Write access in ISI_R2Y_SET1 while Write Protection was
enabled (since the last read).
Write access in ISI_R2Y_SET2 while Write Protection was
enabled (since the last read).
Reserved
6438F–ATARM–21-Jun-10
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