libopencm3
A free/libre/open-source firmware library for various ARM Cortex-M3 microcontrollers.
UART Clock source selections
Collaboration diagram for UART Clock source selections:

Macros

#define RCC_CFGR3_USARTxSW_PCLK   0x0
 
#define RCC_CFGR3_USARTxSW_SYSCLK   0x1
 
#define RCC_CFGR3_USARTxSW_LSE   0x2
 
#define RCC_CFGR3_USARTxSW_HSI   0x3
 

Detailed Description

Macro Definition Documentation

◆ RCC_CFGR3_USARTxSW_HSI

#define RCC_CFGR3_USARTxSW_HSI   0x3

Definition at line 403 of file f0/rcc.h.

◆ RCC_CFGR3_USARTxSW_LSE

#define RCC_CFGR3_USARTxSW_LSE   0x2

Definition at line 402 of file f0/rcc.h.

◆ RCC_CFGR3_USARTxSW_PCLK

#define RCC_CFGR3_USARTxSW_PCLK   0x0

Definition at line 400 of file f0/rcc.h.

◆ RCC_CFGR3_USARTxSW_SYSCLK

#define RCC_CFGR3_USARTxSW_SYSCLK   0x1

Definition at line 401 of file f0/rcc.h.