STMicroelectronics STM32F407 User Manual

Reset and clock control for STM32F405xx/07xx and STM32F415xx/17xx(RCC) RM0090
250/1731 DocID018909 Rev 11
7.3.15 RCC APB2 peripheral clock enable register(RCC_APB2ENR)
Address offset: 0x44
Reset value: 0x0000 0000
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
Reserved
SPI6EN SPI5EN
Res.
TIM11
EN
TIM10
EN
TIM9
EN
rw rw rw rw rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Reser-
ved
SYSCF
G EN
SPI4E
N
SPI1
EN
SDIO
EN
ADC3
EN
ADC2
EN
ADC1
EN
Reserved
USART
6
EN
USART
1
EN
Reserved
TIM8
EN
TIM1
EN
rw rw rw rw rw rw rw rw rw rw rw
Bits 31:22 Reserved, must be kept at reset value.
Bit 21 SPI6EN: SPI6 clock enable
Set and cleared by software.
0: SPI6 clock disabled
1: SPI6 clock enabled
Bit 20 SPI5EN: SPI5 clock enable
Set and cleared by software.
0: SPI5 clock disabled
1: SPI5 clock enabled
Bit 19 Reserved, must be kept at reset value.
Bit 18 TIM11EN: TIM11 clock enable
Set and cleared by software.
0: TIM11 clock disabled
1: TIM11 clock enabled
Bit 17 TIM10EN: TIM10 clock enable
Set and cleared by software.
0: TIM10 clock disabled
1: TIM10 clock enabled
Bit 16 TIM9EN: TIM9 clock enable
Set and cleared by software.
0: TIM9 clock disabled
1: TIM9 clock enabled
Bit 15 Reserved, must be kept at reset value.
Bit 14 SYSCFGEN: System configuration controller clock enable
Set and cleared by software.
0: System configuration controller clock disabled
1: System configuration controller clock enabled
Bit 13 SPI4EN: SPI4 clock enable
Set and cleared by software.
0: SPI4 clock disabled
1: SPI4 clock enabled

STMicroelectronics STM32F407 Specifications

General

Brand	STMicroelectronics
Model	STM32F407
Category	Controller
Language	English