Rainbow Electronics AT89LP216 User Manual
Page 21
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21
3621A–MICRO–6/06
AT89LP216 [Preliminary]
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
Table 12-4.
IPH – Interrupt Priority High Register
IPH = B7H
Reset Value = X000 0000B
Not Bit Addressable
–
–
PGH
PSH
PT1H
PX1H
PT0H
PX0H
Bit
7
6
5
4
3
2
1
0
Symbol
Function
PGH
General-purpose Interrupt Priority High
PSH
Serial Port Interrupt Priority High
PT1H
Timer 1 Interrupt Priority High
PX1H
External Interrupt 1 Priority High
PT0H
Timer 0 Interrupt Priority High
PX0H
External Interrupt 0 Priority High