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RM0312 数据表(PDF) 218 Page - STMicroelectronics |
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RM0312 数据表(HTML) 218 Page - STMicroelectronics |
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218 / 275 page ![]() Serial peripheral interface (SPI) RM0312 218/275 DocID022352 Rev 3 Restrictions in receive-only modes The wakeup functionality is not guaranteed in receive-only modes (BDM = 0 and RXONLY = 1 or BDM = 1 and BDOE = 0) since the time needed to restore the system clock can be greater than the data reception time. A loss of data in reception would then be induced and the slave device can not indicate to the master which data has been properly received. 20.3.10 SPI interrupts Table 43. SPI interrupt requests Interrupt event Event flag Enable control bit Exit from Wait Exit from Halt Transmit buffer empty flag TXE TXIE Yes No Receive buffer not empty flag RXNE RXIE Yes No Wakeup event flag WKUP WKIE Yes Yes Master mode fault event MODF ERRIE Yes No Overrun error OVR Yes No |
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