KRF3=0, KRF7=0, KRF2=0, KRF4=0, KRF5=0, KRF1=0, KRF6=0, KRF0=0
KEY Return Flag Register
| KRF0 | Key interrupt flag 0 0 (0): No interrupt detected 1 (1): Interrupt detected. |
| KRF1 | Key interrupt flag 1 0 (0): No interrupt detected 1 (1): Interrupt detected. |
| KRF2 | Key interrupt flag 2 0 (0): No interrupt detected 1 (1): Interrupt detected. |
| KRF3 | Key interrupt flag 3 0 (0): No interrupt detected 1 (1): Interrupt detected. |
| KRF4 | Key interrupt flag 4 0 (0): No interrupt detected 1 (1): Interrupt detected. |
| KRF5 | Key interrupt flag 5 0 (0): No interrupt detected 1 (1): Interrupt detected. |
| KRF6 | Key interrupt flag 6 0 (0): No interrupt detected 1 (1): Interrupt detected. |
| KRF7 | Key interrupt flag 7 0 (0): No interrupt detected 1 (1): Interrupt detected. |