AT83C5111 datasheet(62/86 Pages) ATMEL

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AT8xC5111

4190A–8051–11/02

Table 3. IE0 Register

IE0 - Interrupt Enable Register (A8H)

Reset value = 00X0 0000b

Bit addressable

7654

3210

ET1

EX1

ET0

EX0

Bit

Number

Bit

Mnemonic

Description

7EA

Enable All interrupt bit

Clear to disable all interrupts.

Set to enable all interrupts.

If EA = 1, each interrupt source is individually enabled or disabled by setting or

clearing its interrupt enable bit.

6EC

PCA Interrupt Enable

Clear to disable the the PCA interrupt.

Set to enable the the PCA interrupt.

Reserved

The value read from this bit is indeterminate. Do not set this bit.

4ES

Serial port Enable bit

Clear to disable serial port interrupt.

Set to enable serial port interrupt.

3ET1

Timer 1 overflow interrupt Enable bit

Clear to disable timer 1 overflow interrupt.

Set to enable timer 1 overflow interrupt.

2EX1

External interrupt 1 Enable bit

Clear to disable external interrupt 1.

Set to enable external interrupt 1.

1ET0

Timer 0 overflow interrupt Enable bit

Clear to disable timer 0 overflow interrupt.

Set to enable timer 0 overflow interrupt.

0EX0

External interrupt 0 Enable bit

Clear to disable external interrupt 0.

Set to enable external interrupt 0.

AT83C5111 数据表(PDF) 62 Page - ATMEL Corporation

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