SPI/I2S interrupt/status flags clear register
| EOTC | end of transfer flag clear Writing a 1 into this bit clears EOT flag in the SPI_SR register | 
| TXTFC | transmission transfer filled flag clear Writing a 1 into this bit clears TXTF flag in the SPI_SR register | 
| UDRC | underrun flag clear Writing a 1 into this bit clears UDR flag in the SPI_SR register | 
| OVRC | overrun flag clear Writing a 1 into this bit clears OVR flag in the SPI_SR register | 
| CRCEC | CRC error flag clear Writing a 1 into this bit clears CRCE flag in the SPI_SR register | 
| TIFREC | TI frame format error flag clear Writing a 1 into this bit clears TIFRE flag in the SPI_SR register | 
| MODFC | mode fault flag clear Writing a 1 into this bit clears MODF flag in the SPI_SR register | 
| SUSPC | SUSPend flag clear Writing a 1 into this bit clears SUSP flag in the SPI_SR register |