ST STM32F40 Series User Manual

RM0090 Embedded Flash memory interface
Doc ID 018909 Rev 4 84/1422
3.8.9 Flash interface register map
Table 15. Flash register map and reset values (STM32F405xx/07xx and STM32F415xx/17xx)
Offset Register
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1 0
0x00
FLASH_ACR
Reserved
DCRST
ICRST
DCEN
ICEN
PRFTEN
Reserved
LATENCY
Reset value 00000 00 0
0x04
FLASH_KEY
R
KEY[31:16] KEY[15:0]
Reset value 000000000000000000000000000000 0 0
0x08
FLASH_OPT
KEYR
OPTKEYR[31:16] OPTKEYR[15:0]
Reset value 000000000000000000000000000000 0 0
0x0C
FLASH_SR
Reserved
BSY
Reserved
PGSERR PGPERR PGAERR
WRPERR
Reserved
OPERR
EOP
Reset value 0 0 0 0 0 0 0
0x10
FLASH_CR
LOCK
Reserved
EOPIE
Reserved
STRT
Reserved
PSIZ
E[1:0
]
Reserved
SNB[3:0]
MER
SER
PG
Reset value 1 0 0 0 0 0 0 0 0 0 0
0x14
FLASH_OPT
CR
Reserved
nWRP[11:0] RDP[7:0]
nRST_STDBY
nRST_STOP
WDG_SW
Reserved
BOR_LEV
OPTSTRT
OPTLOCK
Reset value 11111111111110101010111 11 0 1
Table 16. Flash register map and reset values (STM32F42xxx and STM32F43xxx)
Offset Register
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1 0
0x00
FLASH_ACR
Reserved
DCRST
ICRST
DCEN
ICEN
PRFTEN
Reserved
LATENCY
Reset value 00000 0 0 0
0x04
FLASH_KEYR KEY[31:16] KEY[15:0]
Reset value 00000000000000000000000000000 0 0 0
0x08
FLASH_OPTKE
YR
OPTKEYR[31:16] OPTKEYR[15:0]
Reset value 00000000000000000000000000000 0 0 0
0x0C
FLASH_SR
Reserved
BSY
Reserved
PGSERR PGPERR PGAERR
WRPERR
Reserved
OPERR
EOP
Reset value 0 0 0 0 0 0 0
0x10
FLASH_CR
LOCK
Reserved
EOPIE
Reserved
STRT
MER1
Reserved
PSIZE[1:0]
SNB[4:0]
MER
SER
PG
Reset value 1 0 00 00000000 0 0

ST STM32F40 Series Specifications

General

Brand	ST
Model	STM32F40 Series
Category	Microcontrollers
Language	English