參數(shù)資料
型號: TS80C32X2-LIA
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 30 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 16/55頁
文件大?。?/td> 596K
代理商: TS80C32X2-LIA
23
TS8xCx2X2
4184I–8051–02/08
are received simultaneously, an internal polling sequence determines which request is
serviced. Thus within each priority level there is a second priority structure determined
by the polling sequence.
Table 12. IE Register
IE - Interrupt Enable Register (A8h)
Reset Value = 0X00 0000b
Bit addressable
7
6
5
4
3
2
1
0
EA
-
ET2
ES
ET1
EX1
ET0
EX0
Bit
Number
Bit
Mnemonic
Description
7
EA
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 own interrupt enable bit.
6
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5
ET2
Timer 2 overflow interrupt Enable bit
Clear to disable timer 2 overflow interrupt.
Set to enable timer 2 overflow interrupt.
4
ES
Serial port Enable bit
Clear to disable serial port interrupt.
Set to enable serial port interrupt.
3
ET1
Timer 1 overflow interrupt Enable bit
Clear to disable timer 1 overflow interrupt.
Set to enable timer 1 overflow interrupt.
2
EX1
External interrupt 1 Enable bit
Clear to disable external interrupt 1.
Set to enable external interrupt 1.
1
ET0
Timer 0 overflow interrupt Enable bit
Clear to disable timer 0 overflow interrupt.
Set to enable timer 0 overflow interrupt.
0
EX0
External interrupt 0 Enable bit
Clear to disable external interrupt 0.
Set to enable external interrupt 0.
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