AT89C5131-PLTIL ATMEL Corporation, AT89C5131-PLTIL Datasheet - Page 77

• Manufacturer Part Number: AT89C5131-PLTIL
• Description: 8-bit Flash Microcontroller with Full Speed USB Device
• Manufacturer: ATMEL Corporation

4136B–USB–09/03
Table 62. IEN0 Register
IEN0 - Interrupt Enable Register (A8h)
Reset Value = 0000 0000b
Bit addressable
Number
Bit
EA
7
6
5
4
3
2
1
0
7
Mnemonic
ET2
ET1
EX1
ET0
EX0
Bit
EC
EC
EA
ES
6
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.
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.
Timer 1 overflow interrupt Enable bit
Cleared to disable Timer 1 overflow interrupt.
Set to enable Timer 1 overflow interrupt.
External interrupt 1 Enable bit
Cleared to disable external interrupt 1.
Set to enable external interrupt 1.
Timer 0 overflow interrupt Enable bit
Cleared to disable timer 0 overflow interrupt.
Set to enable timer 0 overflow interrupt.
External interrupt 0 Enable bit
Cleared to disable external interrupt 0.
Set to enable external interrupt 0.
ET2
5
ES
4
ET1
3
EX1
2
AT89C5131
ET0
1
EX0
0
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