Reset and clock control (RCC) RM0033
120/1381 RM0033 Rev 9
5.3.15 RCC AHB1 peripheral clock enable in low power mode register
(RCC_AHB1LPENR)
Address offset: 0x50
Reset value: 0x7E67 91FF
Access: no wait state, word, half-word and byte access.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Reser-
ved
OTGHS
ULPILPEN
OTGHS
LPEN
ETHPTP
LPEN
ETHRX
LPEN
ETHTX
LPEN
ETHMAC
LPEN
Reserved
DMA2
LPEN
DMA1
LPEN
Reserved
BKPSRA
M
LPEN
SRAM2
LPEN
SRAM1
LPEN
rw rw rw rw rw rw rw rw rw rw rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FLITF
LPEN
Reserved
CRC
LPEN
Reserved
GPIOI
LPEN
GPIOH
LPEN
GPIOGG
LPEN
GPIOF
LPEN
GPIOE
LPEN
GPIOD
LPEN
GPIOC
LPEN
GPIOB
LPEN
GPIOA
LPEN
rw rw rw rw rw rw rw rw rw rw rw
Bit 31 Reserved, always read as 0.
Bit 30 OTGHSULPILPEN: USB OTG HS ULPI clock enable during Sleep mode
Set and cleared by software.
0: USB OTG HS ULPI clock disabled during Sleep mode
1: USB OTG HS ULPI clock enabled during Sleep mode
Bit 29 OTGHSLPEN: USB OTG HS clock enable during Sleep mode
Set and cleared by software.
0: USB OTG HS clock disabled during Sleep mode
1: USB OTG HS clock enabled during Sleep mode
Bit 28 ETHMACPTPLPEN: Ethernet PTP clock enable during Sleep mode
Set and cleared by software.
0: Ethernet PTP clock disabled during Sleep mode
1: Ethernet PTP clock enabled during Sleep mode
Bit 27 ETHMACRXLPEN: Ethernet reception clock enable during Sleep mode
Set and cleared by software.
0: Ethernet reception clock disabled during Sleep mode
1: Ethernet reception clock enabled during Sleep mode
Bit 26 ETHMACTXLPEN: Ethernet transmission clock enable during Sleep mode
Set and cleared by software.
0: Ethernet transmission clock disabled during sleep mode
1: Ethernet transmission clock enabled during sleep mode
Bit 25 ETHMACLPEN: Ethernet MAC clock enable during Sleep mode
Set and cleared by software.
0: Ethernet MAC clock disabled during Sleep mode
1: Ethernet MAC clock enabled during Sleep mode
Bits 24:23 Reserved, always read as 0
Bit 22 DMA2LPEN: DMA2 clock enable during Sleep mode
Set and cleared by software.
0: DMA2 clock disabled during Sleep mode
1: DMA2 clock enabled during Sleep mode