Table 320. Opp1 Field Descriptions - STMicroelectronics SPC572L series Reference Manual

RM0400
Field
Reserved (read only)
0–15
Writing tothis bit has no effect and a read always returns 0.
High address space Over Program Protection 15–0 (Read)
The block numbering for the High Blocks starts at HIGHOPP[0] with 16 KB block region (if
available), then the 32 KB block region (if available), and lastly the 64 KB block region (if
available). This continues until all blocks are accounted for.
16–31
The HIGHOPP field is not writable, and is status only.
HIGHOPP[15:0]
The default value of the HIGHOPP bits is not over-programming protected. When blocks are
not present (due to configuration or total memory size), the HIGHOPP bits default to not over-
programming protected and will remain 0.
0 High Address Space Block is unprotected from over-programming.
1 High Address Space Block is protected from over-programming.
29.3.2.12.3 Over-program protection 2 register (OPP2)
The 256K high Address Space is covered by the Over Program Protection 2 (OPP2)
register.
Address: 0x0088
0 1
R 0
W
(1)
Reset — —
16 17
R
W
1
Reset — —
1. A reset value of "—" indicates that the value is set at the factory and can vary among different applications.

Table 320. OPP1 field descriptions

2 3 4 5
— — — —
18 19 20 21
— — — —
Figure 272. Over-program protection 2 register (OPP2)
DocID027809 Rev 4
Description
6 7 8 9
A256KOPP
— — — —
22 23 24 25
A256KOPP
— — — —
Embedded Flash Memory (MP55)
Access: User Read
10 11 12 13
— — — —
26 27 28 29
— — — —
14 15
— —
30 31
— —
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