Hi, Happy New Year to you! The void euscib0_isr(void) is currently disabled, but I have enabled the interrupt, maybe I should disabled the interrupt too. Do you mean that I have to send SPI_transmitData(EUSCI_B0_BASE, 0xFFFFFFFF); or SPI_transmitData(EUSCI_B0_BASE, 0x00000000); to read 4bytes before RXData[k] = SPI_receiveData(EUSCI_B0_BASE); ?
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