ST STM32F446 Series User Manual

RM0390 Rev 4 87/1328
RM0390 Embedded Flash memory interface
87
3.8.7 Flash interface register map
Refer to Table 1 on page 67 for the register boundary addresses.
Table 12. Flash register map and reset value
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
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
DCRST
ICRST
DCEN
ICEN
PRFTEN
Res. Res. Res. Res.
LATENCY
Reset value 00000 0 0 0 0
0x04
FLASH_KEYR KEY[31:16] KEY[15:0]
Reset value 000000000000000000000000000000 0 0
0x08
FLASH_
OPTKEYR
OPTKEYR[31:16] OPTKEYR[15:0]
Reset value 000000000000000000000000000000 0 0
0x0C
FLASH_SR
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
BSY
Res. Res. Res. Res. Res. Res. Res.
RDERR
PGSERR PGPERR PGAERR
WRPERR
Res.
OPERR
EOP
Reset value 0 00000 0 0
0x10
FLASH_CR
LOCK
Res. Res. Res. Res. Res.
ERRIE EOPIE
Res. Res. Res. Res. Res. Res. Res.
STRT
Res. Res. Res. Res. Res. Res.
PSIZE[1:0]
Res.
SNB[3:0]
MER
SER
PG
Reset value 1 00 0 00 0000 0 0 0
0x14
FLASH_OPTCR
SPRMOD
Res. Res. Res. Res. Res. Res. Res.
nWRP[7:0] RDP[7:0]
nRST_STDBY
nRST_STOP
WDG_SW
Res.
BOR_LEV
OPTSTRT
OPTLOCK
Reset value 0 1111111110101010111 1 1 0 1

ST STM32F446 Series Specifications

General

Brand	ST
Model	STM32F446 Series
Category	Microcontrollers
Language	English