AT89LP6440 datasheet(43/194 Pages) ATMEL

43 / 194 page

3706A–MICRO–9/09

AT89LP6440 - Preliminary

PSP

Serial Peripheral Interface Interrupt Priority Low

PCC

Compare/Capture Array Interrupt Priority Low

PGP

General-purpose Interrupt 0 Priority Low

Symbol

Function

Table 9-6.

IPH – Interrupt Priority High Register

IPH = B7H

Reset Value = 0000 0000B

Not Bit Addressable

IP1D

PCH

PT2H

PSH

PT1H

PX1H

PT0H

PX0H

Bit

543

Symbol

Function

IP1D

Interrupt Priority 1 Disable. Set IP1D to 1 to disable all interrupts with priority level one. Clear to 0 to enable all interrupts

with priority level one when EA = 1.

PCH

Comparator Interrupt Priority High

PT2H

Timer 2 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

Table 9-7.

IP2H – Interrupt Priority 2 High Register

IPH = B6H

Reset Value = 0xxx x000B

Not Bit Addressable

IP3D

–

PTWH

PADH

PSPH

PCCH

PGPH

Bit

543

Symbol

Function

IP3D

Interrupt Priority 3 Disable. Set IP3D to 1 to disable all interrupts with priority level three. Clear to 0 to enable all

interrupts with priority level three when EA = 1.

PTWH

Two-Wire Interface Interrupt Priority High

PADH

ADC Interrupt Priority High

PSPH

Serial Peripheral Interface Interrupt Priority High

PCCH

Compare/Capture Array Interrupt Priority High

PGPH

General-purpose Interrupt 0 Priority High

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