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PM0059 Datasheet(PDF) 24 Page - STMicroelectronics

Part # PM0059
Description  This programming manual describes how to program
PDF  29 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM0059 Datasheet(HTML) 24 Page - STMicroelectronics

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Flash memory interface
PM0059
24/29
DocID15687 Rev 5
2.8.6
Flash option control register (FLASH_OPTCR)
The FLASH_OPTCR register is used to modify the user option bytes.
Address offset: 0x14
Reset value: 0x0FFF AAED. The option bits are loaded with values from Flash memory at
reset release.
Access: no wait state when no Flash memory operation is ongoing, word, half-word and
byte access.
Bits 9:8 PSIZE: Program size
These bits select the program parallelism.
00 program x8
01 program x16
10 program x32
11 program x64
Bit 7 Reserved, must be kept cleared.
Bits 6:3 SNB: Sector number
These bits select the sector to erase.
0000 sector 0
0001 sector 1
...
1011 sector 11
Others not allowed
Bit 2 MER: Mass Erase
Erase activated for all user sectors.
Bit 1 SER: Sector Erase
Sector Erase activated.
Bit 0 PG: Programming
Flash programming activated.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Reserved
nWRP[11:0]
rw
rw
rw
rw
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rw
rw
rw
rw
rw
rw
15
14
13
12
11
10
9
8
76
5432
1
0
RDP[7:0]
nRST_
STDBY
nRST_
STOP
WDG_
SW
Reserv
ed
BOR_LEV
OPTST
RT
OPTLO
CK
rw
rw
rw
rw
rw
rw
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rw
rw
rw
rw
rw
rs
rs



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