Fujitsu MB91191 Manual Do Utilizador

221

13.3

External Interrupt (INT0 to 2)

The external interrupt (INT0 to 2) has 3 inputs.

■

Feature of External Interrupt (INT0 to 2)

•

Each interrupt is independent vector.

•

Usable for returning from standby.

■

Block Diagram of External Interrupt (INT0 to 2)

Figure 13.3-1 Block diagram of external interrupt (INT0 to 2)

■

Register List of External Interrupt (INT0 to 2)

Figure 13.3-2 Register list of external interrupt (INT0 to 2)

INT2

INT1

IF3

IF2

IF1

Test

INT2E INT1E INT0E

Test

I2CLR I1CLR I0CLR

Test

INT0

IRQ04

EIF

EIE

Internal Bus

IRQ03

IRQ02

clr

enable

bit

EIE

EIF

External Interupt Enable R

External Interupt Request

000098

Address:

000099