AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 125

• Manufacturer Part Number: AT83EC5123
• Description: (AT8xx512x) Smart Card Reader ICs
• Manufacturer: ATMEL Corporation

4202B–SCR–07/03
Table 92. Interrupt Enable Register 0 - IEN0 (A8h)
Reset Value = 0000 0000b (Bit addressable)
Number
6 - 5
Bit
EA
7
7
4
3
2
1
0
Mnemonic Description
EX1
EX0
ET1
ET0
Bit
EA
ES
6
-
-
Enable All interrupt bit
Cleared to disable all interrupts.
Set to enable all interrupts.
Reserved
The value read from this bit is indeterminate. Do not change these bits.
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.
5
-
ES
4
ET1
3
EX1
2
AT8xC5122/23
ET0
1
EX0
0
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