Flash Interface Register Map; Table 12. Flash Register Map And Reset Value - ST STM32F446 Series Reference Manual

RM0390
3.8.7

Flash interface register map

Offset Register
FLASH_ACR
0x00
Reset value
FLASH_KEYR
0x04
Reset value
FLASH_
OPTKEYR
0x08
Reset value
FLASH_SR
0x0C
Reset value
FLASH_CR
0x10
Reset value
FLASH_OPTCR
0x14
Reset value
Refer to

Table 12. Flash register map and reset value

KEY[31:16]
0 0 0 0 0 0 0 0 0
OPTKEYR[31:16]
0 0 0 0 0 0 0 0 0
1 0 0
0 1
Table 1 on page 67 for the register boundary addresses.
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0
0
nWRP[7:0]
1 1 1 1 1 1 1 1 0 1
RM0390 Rev 4
Embedded Flash memory interface
0 0 0 0 0
KEY[15:0]
0 0 0 0 0 0 0
OPTKEYR[15:0]
0 0 0 0 0 0 0
0 0 0
SNB[3:0]
0 0 0
RDP[7:0]
0 1 0 1 0 1 1
LATENCY
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
1 1 1 0 1
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