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PM0223 Datasheet(PDF) 92 Page - STMicroelectronics

No. de pieza PM0223
Descripción Electrónicos  This programming manual provides information for application and system-level software developers
PDF  110 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM0223 Datasheet(HTML) 92 Page - STMicroelectronics

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STM32L0 Core Peripherals
PM0223
92/110
DocID025763 Rev 1
4.3.6
System Control Register
The SCR controls features of entry to and exit from low power state. See the register
summary in Table 30 on page 88 for its attributes. The bit assignments are
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
VECTKEYSTAT
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
15
14
13
12
11
10
9
8
76
5432
1
0
ENDIA
NESS
Reserved
SYS
RESET
REQ
VECT
CLR
ACTIVE
Reserv
ed
r
ww
Bits 31:16 VECTKEY Register key
Register key:
Reads as Unknown
On writes, write 0x05FA to VECTKEY, otherwise the write is ignored.
Bit 15 ENDIANESS Data endianness bit
Reads as 0.
0: Little-endian
Bits 14:3 Reserved
Bit 2 SYSRESETREQ System reset request:
0: No effect
1: Requests a system level reset.
This bit reads as 0.
Bit 1 VECTCLRACTIVE
Reserved for Debug use. This bit reads as 0. When writing to the register you must write 0 to
this bit, otherwise behavior is unpredictable.
Bit 0 Reserved
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
76
5432
1
0
Reserved
SEVON
PEND
Res.
SLEEP
DEEP
SLEEP
ON
EXIT
Res.
rw
rw
rw



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