Siemens SAB 80515 Series User Manual page 115

Figure 8-2
Special Function Register IEN0 (Address 0A8 H )
0AF H
0A8 H EAL
This bit is not used for interrupt control.
Bit Function
EX0 Enables or disables external interrupt 0.
If EX0 = 0, external interrupt 0 is disabled.
ET0 Enables or disables the timer 0 overflow interrupt.
If ET0 = 0, the timer 0 interrupt is disabled.
EX1 Enables or disables external interrupt 1.
If EX1 = 0, external interrupt 1 is disabled.
ET1 Enables or disables the timer 1 overflow interrupt.
If ET1 = 0, the timer 1 interrupt is disabled.
ES Enables or disables the serial channel interrupt.
If ES = 0, the serial channel interrupt is disabled.
ET2 Enables or disables the timer 2 overflow or external reload interrupt.
If ET2 = 0, the timer 2 interrupt is disabled.
EAL Enables or disables all interrupts. If EAL = 0, no interrupt will be acknowledged.
If EAL = 1, each interrupt source is individually enabled or disabled by setting or
clearing its enable bit.
Semiconductor Group
0AE H 0AD H 0AC H
WDT ET2 ES
0AB H 0AA H 0A9 H
ET1 EX1
*
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Interrupt System
0A8 H
ET0 EX0 IEN0