Keypad Interrupt Mask Register (Kbm) - Philips P89LPC920 User Manual

Philips Semiconductors
KEYPAD INTERRUPT (KBI)
KBMASK
Address: 86h
Not bit addressable
Reset Source(s): Any reset
Reset Value: 00000000B
BIT SYMBOL
KBMASK.7 -
KBMASK.6 -
KBMASK.5 -
KBMASK.4 -
KBMASK.3 -
KBMASK.2 -
KBMASK.1 -
KBMASK.0 -
Note: the Keypad Interrupt must be enabled in order for the settings of the KBMASK register to be effective.
2003 Dec 8
7 6
KBMASK.7 KBMASK.6 KBMASK.5 KBMASK.4 KBMASK.3 KBMASK.2 KBMASK.1 KBMASK.0
FUNCTION
When set, enables P0.7 as a cause of a Keypad Interrupt.
When set, enables P0.6 as a cause of a Keypad Interrupt.
When set, enables P0.5 as a cause of a Keypad Interrupt.
When set, enables P0.4 as a cause of a Keypad Interrupt.
When set, enables P0.3 as a cause of a Keypad Interrupt.
When set, enables P0.2 as a cause of a Keypad Interrupt.
When set, enables P0.1 as a cause of a Keypad Interrupt.
When set, enables P0.0 as a cause of a Keypad Interrupt.
Figure 12-3: Keypad Interrupt Mask register (KBM)
5 4 3
84
User's Manual - Preliminary -
P89LPC920/921/922
2 1 0