Embedded Flash memory (FLASH) for category 3 devices RM0440
112/2126 RM0440 Rev 4
WRP1 Area A address option bytes
Flash memory address: 0x1FFF 7818
ST production value: 0xFF00 FFFF
Bit 31 PCROP_RDP: PCROP area preserved when RDP level decreased
This bit is set only. It is reset after a full mass erase due to a change of RDP
from Level 1 to Level 0.
0: PCROP area is not erased when the RDP level is decreased from Level 1 to
Level 0.
1: PCROP area is erased when the RDP level is decreased from Level 1 to
Level 0 (full mass erase).
Bits 30:15 Reserved, must be kept at reset value.
Bits 14:0 PCROP1_END: Bank 1 PCROP area end offset
DBANK=1
PCROP1_END contains the last double-word of the bank 1 PCROP area.
DBANK=0
PCROP1_END contains the last 2x double-word PCROP area for all memory.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. WRP1A_END[6:0]
rw rw rw rw rw rw rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Res. Res. Res. Res. Res. Res. Res. Res. Res. WRP1A_STRT[6:0]
rw rw rw rw rw rw rw
Bits 31:23 Reserved, must be kept at reset value.
Bits 22:16 WRP1A_END: WRP first area “A” end offset
DBANK=1
WRP1A_END contains the last page of WRP first area in bank1.
DBANK=0
WRP1A_END contains the last page of WRP first area for all memory.
Bits 15:7 Reserved, must be kept at reset value.
Bits 6:0 WRP1A_STRT: WRP first area “A” start offset
DBANK=1
WRP1A_STRT contains the first page of WRP first area for bank1.
DBANK=0
WRP1A_STRT contains the first page of WRP first area for all memory.