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ST STM32L4x6 User Manual

ST STM32L4x6
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Reset and clock control (RCC) RM0351
250/1693 DocID024597 Rev 3
6.4.31 RCC register map
The following table gives the RCC register map and the reset values.
Table 31. RCC register map and reset values
Off-
set
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
0x00
RCC_CR
Res.
Res.
PLLSAI2RDY
PLLSAI2ON
PLLSAI1RDY
PLLSAI1ON
PLLRDY
PLLON
Res.
Res.
Res.
Res.
CSSON
HSEBYP
HSERDY
HSEON
Res.
Res.
Res.
Res.
HSIASFS
HSIRDY
HSIKERON
HSION
MSIRANGE
[3:0]
MSIRGSEL
MSIPLLEN
MSIRDY
MSION
Reset value
0000 00 0000 000001100011
0x04
RCC_ICSCR
Res.
Res.
Res.
HSITRIM[4:0] HSICAL[7:0] MSITRIM[7:0] MSICAL[7:0]
Reset value
100 00xx x xxxxx00000000xxxxxxxx
0x08
RCC_CFGR
Res.
MCOPRE
[2:0]
Res.
MCOSEL
[2:0]
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
STOPWUCK
Res.
PPRE2
[2:0]
PPRE1
[2:0]
HPRE[3:0]
SWS
[1:0]
SW
[1:0]
Reset value
000 000 0 00000000000000
0x0C
RCC_PLL
CFGR
Res.
Res.
Res.
Res.
Res.
PLLR
[1:0]
PLLREN
Res.
PLLQ
[1:0]
PLLQEN
Res.
Res.
PLLP
PLLPEN
Res.
PLLN
[6:0]
Res.
PLLM
[2:0]
Res.
Res.
PLL
SRC
[1:0]
Reset value
000 000 00 0010000 000 00
0x10
RCC_
PLLSAI1
CFGR
Res.
Res.
Res.
Res.
Res.
PLL
SAI1R
[1:0]
PLLSAI1REN
Res.
PLL
SAI1Q
[1:0]
PLLSAI1QEN
Res.
Res.
PLLSAI1P
PLLSAI1PEN
Res.
PLLSAI1N
[6:0]
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Reset value
000 000 00 0010000
0x14
RCC_
PLLSAI2
CFGR
Res.
Res.
Res.
Res.
Res.
PLL
SAI2R
[1:0]
PLLSAI2REN
Res.
Res.
Res.
Res.
Res.
Res.
PLLSAI2P
PLLSAI2PEN
Res.
PLLSAI2N
[6:0]
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Reset value
000 00 0010000
0x18
RCC_CIER
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
LSECSSIE.
Res.
PLLSAI2RDYIE
PLLSAI1RDYIE
PLLRDYIE
HSERDYIE
HSIRDYIE
MSIRDYIE
LSERDYIE
LSIRDYIE
Reset value
0 00000000
0x1C
RCC_CIFR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
LSECSSF
CSSF
PLLSAI2RDYF
PLLSAI1RDYF.
PLLRDYF
HSERDYF
HSIRDYF
MSIRDYF
LSERDYF
LSIRDYF
Reset value
0000000000
0x20
RCC_CICR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
LSECSSC
CSSC
PLLSAI2RDYC
PLLSAI1RDYC
PLLRDYC
HSERDYC
HSIRDYC
MSIRDYC
LSERDYC
LSIRDYC
Reset value
0000000000

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ST STM32L4x6 Specifications

General IconGeneral
BrandST
ModelSTM32L4x6
CategoryMicrocontrollers
LanguageEnglish

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