Flash Memory RM0046
368/936 Doc ID 16912 Rev 5
Non-Volatile System Censoring Information 0 register (NVSCI0)
The Non-Volatile System Censoring Information 0 register (NVSCI0) stores the 32 LSB of
the Censorship Control Word of the device.
NVSCI0 is a non-volatile register located in Shadow sector. It is read during the reset phase
of the Flash module and the protection mechanisms are activated consequently.
The parts are delivered uncensored to the user. Delivery value: 0x55AA_55AA.
Note: This register is not implemented on the data Flash block.
Figure 172. Non-Volatile Private Censorship Password 1 register (NVPWD1)
Address:
0x20_3DDC Access: User read/write
0123456789101112131415
R
PWD
63
PWD
62
PWD
61
PWD
60
PWD
59
PWD
58
PWD
57
PWD
56
PWD
55
PWD
54
PWD
53
PWD
52
PWD
51
PWD
50
PWD
49
PWD
48
W
Reset1100101011111110
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
R
PWD
47
PWD
46
PWD
45
PWD
44
PWD
43
PWD
42
PWD
41
PWD
40
PWD
39
PWD
38
PWD
37
PWD
36
PWD
35
PWD
34
PWD
33
PWD
32
W
Reset10111110111 1111
Table 168. NVPWD1 field descriptions
Field Description
0:31
PWD63–32: PassWorD 63–32
The PWD63–32 registers represent the 32 MSB of the Private Censorship Password.
Figure 173. Non-Volatile System Censoring Information 0 register (NVSCI0)
Address:
0x20_3DE0 Access: User read/write
0123456789101112131415
R
SC
15
SC
14
SC
13
SC
12
SC
11
SC
10
SC
9
SC
8
SC
7
SC
6
SC
5
SC
4
SC
3
SC
2
SC
1
SC
0
W
Reset0101010110101010
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
R
CW
15
CW
14
CW
13
CW
12
CW
11
CW
10
CW
9
CW
8
CW
7
CW
6
CW
5
CW
4
CW
3
CW
2
CW
1
CW
0
W
Reset0101010110101010
Table 169. NVSCI0 field descriptions
Field Description
SC[15:0]
0:15
Serial Censorship control word 15–0
These bits represent the 16 LSB of the Serial Censorship Control Word (SCCW).
If SC[15:0] = 0x55AA and NVSCI1 = NVSCI0, the Public Access is disabled.
If SC[15:0] 0x55AA or NVSCI1 NVSCI0, the Public Access is enabled.
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