EM77950 datasheet(40/102 Pages) EMC

40 / 102 page

EM77950

BB Controller

•

Product Specification (V1.0) 10.09.2007

(This specification is subject to change without further notice)

Bit 7 (GIE):

Global interrupt control bit. Global interrupt is enabled by the ENI and RETI

instructions and is disabled by the DISI instruction.

: disable Global interrupt function

: enable Global interrupt function

7.3.3 Key Wake-up Enable Control – KWUAIE (0x82) & KWUBIE

(0x83)

KWUAIE:

Port A Key Wake-up Interrupt Enable Control Register

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

KWUBE

KWUAE

KWU9E

KWU8E

Bit 0 ~bit 3 (KWU8E ~ KWUBE):

Enable or disable the PTA0 ~ PTA3 Key Wake-up

function.

: disable key wake-up function

: enable key wake-up function

KWUBIE:

Port B Key Wake-up Interrupt Enable Control Register

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

KWU7E

KWU6E

KWU5E

KWU4E

KWU3E

KWU2E

KWU1E

KWU0E

Bit 0 ~bit 7 (KWU0 ~ KWU7):

Enable or disable the PTB0 ~ PTB7 Key Wake Up

function.

: disable key wake-up function

: enable key wake-up function

7.3.4 External Interrupts Edge Control – EINTED (0x84)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

EINT1ED EINT0ED

Bit 0 (EINT0ED):

Define which edge as an interrupt source for EINT0.

Bit 1 (EINT1ED):

Define which edge as an interrupt source for EINT1.

: Falling Edge

: Rising Edge

Bit 2 ~ Bit 7

reserved

EM77950 Datasheet(PDF) 40 Page - ELAN Microelectronics Corp

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