AT89LP6440 datasheet(42/194 Pages) ATMEL

42 / 194 page

3706A–MICRO–9/09

AT89LP6440 - Preliminary

Table 9-3.

IE2 – Interrupt Enable 2 Register

IE = B4H

Reset Value = xxxx x000B

Not Bit Addressable

–

ETWI

EADC

ESPI

ECC

EGP

Bit

543

Symbol

Function

ETWI

Two-Wire Interface Interrupt Enable

EADC

ADC Interrupt Enable

ESPI

Serial Peripheral Interface Interrupt Enable

ECC

Compare/Capture Array Interrupt Enable

EGP

General-purpose Interrupt Enable

Table 9-4.

IP – Interrupt Priority Register

IP = B8H

Reset Value = 0000 0000B

Bit Addressable

IP0D

PT2

PT1

PX1

PT0

PX0

Bit

543

Symbol

Function

IP0D

Interrupt Priority 0 Disable. Set IP0D to 1 to disable all interrupts with priority level zero. Clear to 0 to enable all interrupts

with priority level zero when EA = 1.

Comparator Interrupt Priority Low

PT2

Timer 2 Interrupt Priority Low

PSSerial 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 9-5.

IP2 – Interrupt Priority 2 Register

IP = B5H

Reset Value = 0xxx x000B

No Bit Addressable

IP2D

–

PTWI

PADC

PSPPCC

PGP

Bit

543

Symbol

Function

IP2D

Interrupt Priority 2 Disable. Set IP2D to 1 to disable all interrupts with priority level two. Clear to 0 to enable all interrupts

with priority level two when EA = 1.

PTWI

Two-wire Interface Interrupt Priority Low

PADC

ADC Interrupt Priority Low

AT89LP6440 Datasheet(PDF) 42 Page - ATMEL Corporation

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