KPKD=KPKD_0, KDSC=KDSC_0, KDIE=KDIE_0, KPKR=KPKR_0, KRIE=KRIE_0, KRSS=KRSS_0
Keypad Status Register
| KPKD | Keypad Key Depress 0 (KPKD_0): No key presses detected 1 (KPKD_1): A key has been depressed |
| KPKR | Keypad Key Release 0 (KPKR_0): No key release detected 1 (KPKR_1): All keys have been released |
| KDSC | Key Depress Synchronizer Clear 0 (KDSC_0): No effect 1 (KDSC_1): Set bits that clear the keypad depress synchronizer chain |
| KRSS | Key Release Synchronizer Set 0 (KRSS_0): No effect 1 (KRSS_1): Set bits which sets keypad release synchronizer chain |
| KDIE | Keypad Key Depress Interrupt Enable 0 (KDIE_0): No interrupt request is generated when KPKD is set. 1 (KDIE_1): An interrupt request is generated when KPKD is set. |
| KRIE | Keypad Release Interrupt Enable 0 (KRIE_0): No interrupt request is generated when KPKR is set. 1 (KRIE_1): An interrupt request is generated when KPKR is set. |