Reset and clock control for STM32F42xxx and STM32F43xxx (RCC)
6.3.16
RCC AHB2 peripheral clock enable in low power mode register
(RCC_AHB2LPENR)
Address offset: 0x54
Reset value: 0x0000 00F1
Access: no wait state, word, half-word and byte access.
31
30
29
15
14
13
Bits 31:8 Reserved, must be kept at reset value.
Bit 7 OTGFSLPEN: USB OTG FS clock enable during Sleep mode
Bit 6 RNGLPEN: Random number generator clock enable during Sleep mode
Bit 5 HASHLPEN: Hash modules clock enable during Sleep mode
Bit 4 CRYPLPEN: Cryptography modules clock enable during Sleep mode
Bits 3:1 Reserved, must be kept at reset value.
Bit 0 DCMILPEN: Camera interface enable during Sleep mode
192/1749
28
27
26
25
12
11
10
9
Reserved
This bit is set and cleared by software.
0: USB OTG FS clock disabled during Sleep mode
1: USB OTG FS clock enabled during Sleep mode
This bit is set and cleared by software.
0: Random number generator clock disabled during Sleep mode
1: Random number generator clock enabled during Sleep mode
This bit is set and cleared by software.
0: Hash modules clock disabled during Sleep mode
1: Hash modules clock enabled during Sleep mode
This bit is set and cleared by software.
0: cryptography modules clock disabled during Sleep mode
1: cryptography modules clock enabled during Sleep mode
This bit is set and cleared by software.
0: Camera interface clock disabled during Sleep mode
1: Camera interface clock enabled during Sleep mode
24
23
22
Reserved
8
7
6
OTGFS
RNG
HASH
LPEN
LPEN
LPEN
rw
rw
RM0090 Rev 18
21
20
19
18
5
4
3
2
CRYP
LPEN
Reserved
rw
rw
RM0090
17
16
1
0
DCMI
LPEN
rw
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