Flash Register Map; Table 17. Flash Interface Register Map And Reset Values - STMicroelectronics STM32WLEx Reference Manual

RM0461
3.8.14

FLASH register map

Offset Register
FLASH_ACR
0x000
Reset value
0x004 Reserved
FLASH_KEYR
0x008
Reset value 0
FLASH_
OPTKEYR
0x00C
Reset value 0
FLASH_SR
0x010
Reset value
FLASH_CR
0x014
Reset value 1
FLASH_ECCR
0x018
Reset value 0
FLASH_OPTR
0x020
Reset value
FLASH_
PCROP1ASR
0x024
Reset value
FLASH_
PCROP1AER
0x028
Reset value 1
FLASH_
WRP1AR
0x02C
Reset value
FLASH_
WRP1BR
0x030
Reset value

Table 17. Flash interface register map and reset values

0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
1 0 0 0 0
0 0
0 1 1 1 1 1
0 0
Reserved.
KEYR[31:0]
0 0 0 0 0 0 0 0 0
OPTKEY[31:0]
0 0 0 0 0 0 0 0 0
X X X 0 0
0 0 0
0 0 0 0
1 1 1 1 1
WRP1A_END[6:0]
0 0 0 0 0 0 0
WRP1B_END[6:0]
0 0 0 0 0 0 0
RM0461 Rev 5
Embedded flash memory (FLASH)
0 0 1 1 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0
PNB[6:0]
0 0 0 0
ADDR_ECC[16:0]
0 0 0 0 0 0 0 0
BOR_LEV
[2:0]
1 1 0 0 0 0 1 0
PCROP1A_STRT[7:0]
1 1
PCROP1A_END[7:0]
0 0
WRP1A_STRT[6:0]
1
WRP1B_STRT[6:0]
1
LATENCY
[2:0]
0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
RDP[7:0]
1 0 1 0 1 0
1 1 1 1 1 1
0 0 0 0 0 0
1 1 1 1 1 1
1 1 1 1 1 1
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