ST STM32F446 Series User Manual

RM0390 Rev 4 147/1328
RM0390 Reset and clock control (RCC)
175
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res.
DAC
EN
PWR
EN
CEC
EN
CAN2
EN
CAN1
EN
FMPI2C1
EN
I2C3
EN
I2C2
EN
I2C1
EN
UART5
EN
UART4
EN
USART3
EN
USART2
EN
SPDIFRX
EN
rw rw rw 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
SPI3
EN
SPI2
EN
Res. Res.
WWDG
EN
Res. Res.
TIM14
EN
TIM13
EN
TIM12
EN
TIM7
EN
TIM6
EN
TIM5
EN
TIM4
EN
TIM3
EN
TIM2
EN
rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:30 Reserved, must be kept at reset value.
Bit 29 DACEN: DAC interface clock enable
This bit is set and cleared by software.
0: DAC interface clock disabled
1: DAC interface clock enable
Bit 28 PWREN: Power interface clock enable
This bit is set and cleared by software.
0: Power interface clock disabled
1: Power interface clock enable
Bit 27 CECEN: CEC interface clock enable
This bit is set and cleared by software.
0: CEC interface clock disabled
1: CEC interface clock enabled
Bit 26 CAN2EN: CAN 2 clock enable
This bit is set and cleared by software.
0: CAN 2 clock disabled
1: CAN 2 clock enabled
Bit 25 CAN1EN: CAN 1 clock enable
This bit is set and cleared by software.
0: CAN 1 clock disabled
1: CAN 1 clock enabled
Bit 24 FMPI2C1EN: FMPI2C1 clock enable
This bit is set and cleared by software.
0: FMPI2C1 clock disabled
1: FMPI2C1 clock enabled
Bit 23 I2C3EN: I2C3 clock enable
This bit is set and cleared by software.
0: I2C3 clock disabled
1: I2C3 clock enabled
Bit 22 I2C2EN: I2C2 clock enable
This bit is set and cleared by software.
0: I2C2 clock disabled
1: I2C2 clock enabled
Bit 21 I2C1EN: I2C1 clock enable
This bit is set and cleared by software.
0: I2C1 clock disabled
1: I2C1 clock enabled

ST STM32F446 Series Specifications

General

Brand	ST
Model	STM32F446 Series
Category	Microcontrollers
Language	English