Control Register (Flash_Actlr); Fpec Key Register (Flash_Keyr); Obkey Register (Flash_Obtkeyr) - WCH CH32V003 Series Reference Manual

CH32V003 Reference Manual
R32_FLASH_KEYR
R32_FLASH_OBKEYR
R32_FLASH_STATR
R32_FLASH_CTLR
R32_FLASH_ADDR
R32_FLASH_OBR
R32_FLASH_WPR
R32_FLASH_MODEKEYR
R32_FLASH_BOOT_MODEKEYR

16.3.1 Control register (FLASH_ACTLR)

Offset address: 0x00
31 30 29 28
15 14 13 12
Bit Name
[31:2] Reserved
[1:0] LATENCY

16.3.2 FPEC key register (FLASH_KEYR)

Offset address: 0x04
31 30 29 28
15 14 13 12
Bit Name
[31:0] KEYR

16.3.3 OBKEY register (FLASH_OBTKEYR)

Offset address: 0x08
31 30 29 28
15 14 13 12
V1.3
0x40022004
0x40022008
0x4002200C
0x40022010
0x40022014
0x4002201C
0x40022020
0x40022024
0x40022028
27 26 25 24
Reserved
11 10 9 8
Reserved
Access
RO Reserved
Number of FLASH wait states
00:0 wait (recommended 0=<SYSCLK=<24MHz)
RW
01:1 wait (recommended 24=<SYSCLK=<48MHz)
Other: Invalid
27 26 25 24
KEYR[31:16]
11 10 9 8
KEYR[15:0]
Access
FPEC keys for entering FPEC unlocking keys
include.
WO RDPRT key = 0x000000A5.
KEY1 = 0x45670123.
KEY2 = 0xCDEF89AB.
27 26 25 24
OBKEYR[31:16]
11 10 9 8
OBKEYR[15:0]
FPEC key register
OBKEY register
Status register
Configuration register
Address register
Select word register
Write protection register
Extended key register
Unlock BOOT key register
23 22 21
7 6 5
Description
23 22 21
7 6 5
Description
23 22 21
7 6 5
168
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X
X
0x00000000
0x00000080
X
0x03FFFFFE
0xFFFFFFF
X
X
20 19 18 17
4 3 2 1
LATENCY
Reset
value
20 19 18 17
4 3 2 1
Reset
value
X
20 19 18 17
4 3 2 1
16
0
0
0
16
0
16
0