JPEG status register
| IFTF | Input FIFO Threshold Flag This bit is set when the input FIFO is not full and is bellow its threshold. |
| IFNFF | Input FIFO Not Full Flag This bit is set when the input FIFO is not full (a data can be written). |
| OFTF | Output FIFO Threshold Flag This bit is set when the output FIFO is not empty and has reach its threshold. |
| OFNEF | Output FIFO Not Empty Flag This bit is set when the output FIFO is not empty (a data is available). |
| EOCF | End of Conversion Flag This bit is set when the JPEG codec core has finished the encoding or the decoding process and than last data has been sent to the output FIFO. |
| HPDF | Header Parsing Done Flag This bit is set in decode mode when the JPEG codec has finished the parsing of the headers and the internal registers have been updated. |
| COF | Codec Operation Flag This bit is set when when a JPEG codec operation is on going (encoding or decoding). |