P87LPC764FD datasheet(22/60 Pages) PHILIPS

22 / 60 page

Philips Semiconductors

Product data

P87LPC764

Low power, low price, low pin count (20 pin)

microcontroller with 4 kbyte OTP

2003 Sep 03

SU01163

KBF (KBI INTERRUPT)

EKB

(FROM IEN1 REGISTER)

P0.7

KBI.7

P0.6

KBI.6

P0.5

P0.4

P0.3

P0.2

P0.1

P0.0

KBI.5

KBI.4

KBI.3

KBI.2

KBI.1

KBI.0

Figure 14. Keyboard Interrupt

BIT

SYMBOL

FUNCTION

KBI.7

When set, enables P0.7 as a cause of a Keyboard Interrupt.

KBI.6

When set, enables P0.6 as a cause of a Keyboard Interrupt.

KBI.5

When set, enables P0.5 as a cause of a Keyboard Interrupt.

KBI.4

When set, enables P0.4 as a cause of a Keyboard Interrupt.

KBI.3

When set, enables P0.3 as a cause of a Keyboard Interrupt.

KBI.2

When set, enables P0.2 as a cause of a Keyboard Interrupt.

KBI.1

When set, enables P0.1 as a cause of a Keyboard Interrupt.

KBI.0

When set, enables P0.0 as a cause of a Keyboard Interrupt.

Note: the Keyboard Interrupt must be enabled in order for the settings of the KBI register to be effective. The interrupt flag

(KBF) is located at bit 7 of AUXR1.

KBI.0

SU01164

KBI.1

KBI.2

KBI.3

KBI.4

KBI.5

KBI.6

KBI.7

KBI

Reset Value: 00h

Not Bit Addressable

Address: 86h

Figure 15. Keyboard Interrupt Register (KBI)

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