ST SPC560P34 - Table 170. NVSCI1 Field Descriptions; Figure 174. Non-Volatile System Censoring Information 1 Register (NVSCI1)

RM0046 Flash Memory
Doc ID 16912 Rev 5 369/936
Non-Volatile System Censoring Information 1 register (NVSCI1)
The Non-Volatile System Censoring Information 1 register (NVSCI1) stores the 32 MSB of
the Censorship Control Word of the device.
NVSCI1 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.
Non-Volatile User Options register (NVUSRO)
The Non-Volatile User Options Register (NVUSRO) contains configuration information for
the user application.
CW[15:0]
16:31
Censorship control Word 15–0
These bits represent the 16 LSB of the Censorship Control Word (CCW).
If CW[15:0] = 0x55AA and NVSCI1 = NVSCI0, the Censored mode is disabled.
If CW[15:0]  0x55AA or NVSCI1  NVSCI0, the Censored mode is enabled.
Table 169. NVSCI0 field descriptions (continued)
Field Description
Figure 174. Non-Volatile System Censoring Information 1 register (NVSCI1)
Address: 0x20_3DE4 Access: User read/write
0123456789101112131415
R
SC
31
SC
30
SC
29
SC
28
SC
27
SC
26
SC
25
SC
24
SC
23
SC
22
SC
21
SC
20
SC
19
SC
18
SC
17
SC
16
W
Reset0101010110101010
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
R
CW
31
CW
30
CW
29
CW
28
CW
27
CW
26
CW
25
CW
24
CW
23
CW
22
CW
21
CW
20
CW
19
CW
18
CW
17
CW
16
W
Reset0101010110101010
Table 170. NVSCI1 field descriptions
Field Description
SC[32:16]
0:15
Serial Censorship control word 32–16
These bits represent the 16 MSB of the Serial Censorship Control Word (SCCW).
If SC[32:16] = 0x55AA and NVSCI1 = NVSCI0, the Public Access is disabled.
If SC[32:16]  0x55AA or NVSCI1 NVSCI0, the Public Access is enabled.
CW[32:16]
16:31
Censorship control Word 32–16
These bits represent the 16 MSB of the Censorship Control Word (CCW).
CW[32:16] = 0x55AA and NVSCI1 = NVSCI0, the Censored mode is disabled.
CW[32:16] 0x55AA or NVSCI1 NVSCI0, the Censored mode is enabled.