Reset and clock control (RCC) RM0351
274/1830 DocID024597 Rev 5
Table 34. 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
MSIRANG
E
[3:0]
MSIRGSEL
MSIPLLEN
MSIRDY
MSION
Reset value
000000 0000 000001100011
0x04
RCC_ICSCR
Res.
HSITRIM[6:0] HSICAL[7:0] MSITRIM[7:0] MSICAL[7:0]
Reset value
(1)
0010000xx x xxxxx00000000xxxxxxxx
Reset value
(2)
1000000xx x xxxxx00000000xxxxxxxx
0x08
RCC_CFGR
Res.
MCOP
RE
[2:0]
MCOSEL
[3:0]
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
0000000 0 00000000000000
0x0C
RCC_PLL
CFGR
PLLPDIV[4:0]
PLLR
[1:0]
PLLREN
Res.
PLL
Q
[1:0]
PLLQEN
Res.
Res.
PLLP
PLLPEN
Res.
PLLN
[6:0]
Res.
PLLM
[2:0]
Res.
Res.
PLL
SRC
[1:0]
Reset value
00000000 000 00 0010000 000 00
0x10
RCC_
PLLSAI1
CFGR
PLLSAI1PDI
V
[4:0]
PLL
SAI1
R
[1:0]
PLLSAI1REN
Res.
PLL
SAI1
Q
[1:0]
PLLSAI1QEN
Res.
Res.
PLLSAI1P
PLLSAI1PEN
Res.
PLLSAI1N
[6:0]
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Reset value
00000000 000 00 0010000
0x14
RCC_
PLLSAI2
CFGR
PLLSAI2PDI
V
[4:0]
PLL
SAI2
R
[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
00000000 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.
HSI48RDYIE
LSECSSIE.
Res.
PLLSAI2RDYIE
PLLSAI1RDYIE
PLLRDYIE
HSERDYIE
HSIRDYIE
MSIRDYIE
LSERDYIE
LSIRDYIE
Reset value
00 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.
HSI48RDYF
LSECSSF
CSSF
PLLSAI2RDYF
PLLSAI1RDYF
PLLRDYF
HSERDYF
HSIRDYF
MSIRDYF
LSERDYF
LSIRDYF
Reset value
00000000000
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