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Embedded Flash memory (FLASH)
Bits 31:24 Reserved, must be kept cleared
Bits 23:16 WRP2B_END: WRP second area "B" end offset
Bits 23:16 WRP2B_STRT: WRP second area "B" start offset
3.7.17
Flash configuration register (FLASH_CFGR)
Address offset: 0x130
Reset value: 0x0000 0000
31
30
29
Res.
Res.
Res.
15
14
13
Res.
Res.
Res.
166/2301
DBANK=1
WRP2B_END contains the last page of the WRP second area for bank2.
DBANK=0
WRP2B_END contains the last page of the WRP fourth area for all memory.
Bits 15:8 Reserved, must be kept cleared
DBANK=1
WRP2B_STRT contains the first page of the WRP second area for bank2.
DBANK=0
WRP2B_STRT contains the first page of the WRP second area for all memory.
28
27
26
25
Res.
Res.
Res.
Res.
12
11
10
9
Res.
Res.
Res.
Res.
Bits 31:1 Reserved, must be kept cleared
Bit 0 LVEN: Low voltage enable
This bit is set and cleared by software. This bit must be used only in case of
external SMPS.
0: Flash low voltage disable
1: Flash low voltage enabled. Before setting this bit, it is recommended to:
- Switch the voltage scaling to range 2
- Ensure that the minimum VDD12 is 1.08 V
- When the external SMPS is ON, the LVEN bit can be set.
24
23
22
Res.
Res.
Res.
8
7
6
Res.
Res.
Res.
RM0432 Rev 6
21
20
19
18
Res.
Res.
Res.
Res.
5
4
3
2
Res.
Res.
Res.
Res.
RM0432
17
16
Res.
Res.
1
0
Res.
LVEN
rw
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