ARM, RISC-V контроллеры

Для STM32L072 

RM0376 Reference manual Ultra-low-power STM32L0x2 advanced Arm®-based 32-bit MCUs

DocID025941 Rev 5

Request register (USART_RQR) страница 780

В IAR

* @file stm32l072xx.h

* @author MCD Application Team

* @version V1.7.1

* @date 25-November-2016

/******************* Bit definition for USART_RQR register ******************/

#define USART_RQR_ABRRQ_Pos (0U)

#define USART_RQR_ABRRQ_Msk (0x1U << USART_RQR_ABRRQ_Pos) /*!< 0x00000001 */

#define USART_RQR_ABRRQ USART_RQR_ABRRQ_Msk /*!< Auto-Baud Rate Request */

#define USART_RQR_SBKRQ_Pos (1U)

#define USART_RQR_SBKRQ_Msk (0x1U << USART_RQR_SBKRQ_Pos) /*!< 0x00000002 */

#define USART_RQR_SBKRQ USART_RQR_SBKRQ_Msk /*!< Send Break Request */

#define USART_RQR_MMRQ_Pos (2U)

#define USART_RQR_MMRQ_Msk (0x1U << USART_RQR_MMRQ_Pos) /*!< 0x00000004 */

#define USART_RQR_MMRQ USART_RQR_MMRQ_Msk /*!< Mute Mode Request */

#define USART_RQR_RXFRQ_Pos (3U)

#define USART_RQR_RXFRQ_Msk (0x1U << USART_RQR_RXFRQ_Pos) /*!< 0x00000008 */

#define USART_RQR_RXFRQ USART_RQR_RXFRQ_Msk /*!< Receive Data flush Request */

#define USART_RQR_TXFRQ_Pos (4U)

#define USART_RQR_TXFRQ_Msk (0x1U << USART_RQR_TXFRQ_Pos) /*!< 0x00000010 */

#define USART_RQR_TXFRQ USART_RQR_TXFRQ_Msk /*!< Transmit data flush Request */