Rainbow Electronics AT89LP214 - Manual (Page 21)

21
3538A–MICRO–7/06
AT89LP213/214 [Preliminary]
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Table 12-2. IE – Interrupt Enable Register
IE = A8H Reset Value = 0000 0000B
Bit Addressable
EA EC EGP ES ET1 EX1 ET0 EX0
Bit 7 6 5 4 3 2 1 0
Symbol Function
EA Global enable/disable. All interrupts are disabled when EA = 0. When EA = 1, each interrupt source is enabled/disabled
by setting /clearing its own enable bit.
EC Comparator Interrupt Enable
EGP General-purpose Interrupt Enable
ES Serial Port Interrupt Enable
ET1 Timer 1 Interrupt Enable
EX1 External Interrupt 1 Enable
ET0 Timer 0 Interrupt Enable
EX0 External Interrupt 0 Enable
Table 12-3. IP – Interrupt Priority Register
IP = B8H Reset Value = X000 0000B
Bit Addressable
– – PGP PS PT1 PX1 PT0 PX0
Bit 7 6 5 4 3 2 1 0
Symbol Function
PGP General-purpose Interrupt Priority Low
PS Serial Port Interrupt Priority Low
PT1 Timer 1 Interrupt Priority Low
PX1 External Interrupt 1 Priority Low
PT0 Timer 0 Interrupt Priority Low
PX0 External Interrupt 0 Priority Low