XTS-AES status register
STATE | Those bits indicates the status of the Manual Encryption block. 0X0 (XTS_AES_IDLE): idle. 0X1 (XTS_AES_BUSY): busy with encryption. 0X2 (XTS_AES_DONE): encryption is completed, but the encrypted result is not accessible to SPI. 0X3 (XTS_AES_AVAILABLE) encrypted result is accessible and available to SPI. |