Nations Technologies Inc.
Tel
:
+86-755-86309900
:
Address: Nations Tower, #109 Baoshen Road, Hi-tech Park North.
Nanshan District, Shenzhen, 518057, P.R.China
23
/
631
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
010h
FLASH_CTRL
Reserved
E
C
E
R
R
IT
E
E
OPI
T
E
F
E
R
R
IT
E
E
R
R
IT
E
OPT
W
E
S
M
P
S
E
L
L
OC
K
S
T
AR
T
OPT
E
R
OPT
P
G
R
es
er
ve
d
M
E
R
P
E
R
PG
Reset Value
0
0
0
0
0
0
1
0
0
0
0
0
0
014h
FLASH_ADD
FADD
Reset Value
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
0
0
0
0
0
0
018h
FLASH_OB2
Reserved
nB
OO
T
0
nS
W
B
O
OT
0
R
es
er
ve
d
nB
OO
T
1
Reserved
BOR_LEV
Reserved
Reset Value
1
1
1
0
0
0
01Ch
FLASH_OB
R
DPR
T
2
Reserved
Data1
Data0
Not Used
nR
S
T
_S
T
DB
Y
nR
S
T
_S
T
OP2
W
DG
_S
W
R
DPR
T
1
OB
E
R
R
Reset Value
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
020h
FLASH_WRP
WRPT
Reset Value
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
024h
FLASH_ECC
Reserved
E
C
C
HW
R
es
er
ve
d
E
C
C
L
W
Reset Value
0
0
0
0
0
0
0
0
0
0
0
0
028h
~
02Ch
Reserved
030h
FLASH_CAHR
Reserved
L
OC
KST
OP
L
OC
KST
R
T
Reset Value
0
0
0
0
0
0
0
0
FLASH control and status register
See for abbreviations in register descriptions 1.1 section.
2.2.4.2.1
The FLASH access control register (FLASH_AC)
Address offset: 0x00
Reset value: 0x0000 0030
Bit field
Name
Description
31:12
Reserved
Reserved, the reset value must be maintained.
11
SLMEN
FLASH Sleep Mode Enable
0
:
Turn off FLASH sleep mode;
1
:
Enable FLASH sleep mode.
10
SLMF
FLASH sleep mode flag