AT89C5131A-RDTUM datasheet(81/188 Pages) ATMEL

81 / 188 page

4337K–USB–04/08

AT89C5130A/31A-M

Reset Value = 0000 0000b

Bit addressable

Table 16-3.

IPL0 Register

IPL0 - Interrupt Priority Register (B8h)

Bit

Number

Bit

Mnemonic

Description

Enable All interrupt bit

Cleared to disable all interrupts.

Set to enable all interrupts.

PCA interrupt enable bit

Cleared to disable.

Set to enable.

ET2

Timer 2 overflow interrupt Enable bit

Cleared to disable Timer 2 overflow interrupt.

Set to enable Timer 2 overflow interrupt.

Serial port Enable bit

Cleared to disable serial port interrupt.

Set to enable serial port interrupt.

ET1

Timer 1 overflow interrupt Enable bit

Cleared to disable Timer 1 overflow interrupt.

Set to enable Timer 1 overflow interrupt.

EX1

External interrupt 1 Enable bit

Cleared to disable external interrupt 1.

Set to enable external interrupt 1.

ET0

Timer 0 overflow interrupt Enable bit

Cleared to disable timer 0 overflow interrupt.

Set to enable timer 0 overflow interrupt.

EX0

External interrupt 0 Enable bit

Cleared to disable external interrupt 0.

Set to enable external interrupt 0.

PPCL

PT2L

PSL

PT1L

PX1L

PT0L

PX0L

AT89C5131A-RDTUM Datasheet(PDF) 81 Page - ATMEL Corporation

AT89C5131A-RDTUM Datasheet(HTML) 81 Page - ATMEL Corporation

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