參數(shù)資料
型號: AT83C51RB2XXX-SLSIL
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: Microcontroller
中文描述: 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 47/81頁
文件大?。?/td> 1082K
代理商: AT83C51RB2XXX-SLSIL
48
AT80C51RD2/AT83C51Rx2
4113A–8051–09/02
Table 33.
IEO Register
IE0 - Interrupt Enable Register (A8h)
Reset Value = 0000 0000b
Bit addressable
7
6
5
4
3
2
1
0
EA
EC
ET2
ES
ET1
EX1
ET0
EX0
Bit
Number
Bit
Mnemonic
Description
7
EA
Enable All interrupt bit
Cleared to disable all interrupts.
Set to enable all interrupts.
6
EC
PCA interrupt enable bit
Cleared to disable.
Set to enable.
5
ET2
Timer 2 overflow interrupt enable bit
Cleared to disable Timer 2 overflow interrupt.
Set to enable Timer 2 overflow interrupt.
4
ES
Serial port enable bit
Cleared to disable serial port interrupt.
Set to enable serial port interrupt.
3
ET1
Timer 1 overflow interrupt enable bit
Cleared to disable timer 1 overflow interrupt.
Set to enable timer 1 overflow interrupt.
2
EX1
External interrupt 1 enable bit
Cleared to disable external interrupt 1.
Set to enable external interrupt 1.
1
ET0
Timer 0 overflow interrupt enable bit
Cleared to disable timer 0 overflow interrupt.
Set to enable timer 0 overflow interrupt.
0
EX0
External interrupt 0 enable bit
Cleared to disable external interrupt 0.
Set to enable external interrupt 0.
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