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PM0073 데이터시트(PDF) 26 Page - STMicroelectronics

부품명 PM0073
상세설명  STM32Wxxx Flash memory microcontrollers
PDF  34 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM0073 데이터시트(HTML) 26 Page - STMicroelectronics

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Register descriptions
PM0073
26/34
Doc ID 17766 Rev 5
3.2
FPEC key register (FLASH_KEYR)
Address offset: 0x04
Reset value: xxxx xxxx
Note:
These bits are all write-only and will return a 0 when read.
3.3
Flash OPTKEY register (FLASH_OPTKEYR)
Address offset: 0x08
Reset value: xxxx xxxx
Note:
These bits are all write-only and will return a 0 when read.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
FKEYR[31:16]
wwww
ww
w
w
w
w
w
w
w
w
w
w
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
FKEYR[15:0]
wwww
ww
w
w
w
w
w
w
w
w
w
w
Bits 31:0
FKEYR: FPEC key
These bits represent the keys to unlock the FPEC.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
OPTKEYR[31:16]
wwww
ww
w
w
w
w
w
w
w
w
w
w
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
OPTKEYR[15:0]
wwww
ww
w
w
w
w
w
w
w
w
w
w
Bits 31:0
OPTKEYR: Option byte key
These bits represent the keys to unlock the OPTWRE.



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