Rainbow-electronics AT89LP216 Manual do Utilizador descarregar pdf (Página 21)

3621A–MICRO–6/06

AT89LP216 [Preliminary]

Table 12-3. IP – Interrupt Priority Register

IP = B8H Reset Value = X000 0000B

Bit Addressable

–

PGP PS PT1 PX1 PT0 PX0

Bit76543210

Symbol Function

PGP General-purpose Interrupt Priority Low

PS Serial Port Interrupt Priority Low

PT1 Timer 1 Interrupt Priority Low

PX1 External Interrupt 1 Priority Low

PT0 Timer 0 Interrupt Priority Low

PX0 External Interrupt 0 Priority Low

Table 12-4. IPH – Interrupt Priority High Register

IPH = B7H Reset Value = X000 0000B

Not Bit Addressable

–

PGH PSH PT1H PX1H PT0H PX0H

Bit76543210

Symbol Function

PGH General-purpose Interrupt Priority High

PSH Serial Port Interrupt Priority High

PT1H Timer 1 Interrupt Priority High

PX1H External Interrupt 1 Priority High

PT0H Timer 0 Interrupt Priority High

PX0H External Interrupt 0 Priority High

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