
CHAPTER 6 INTERRUPT AND TEST FUNCTIONS
283
Fig. 6-3 Interrupt Priority Select Register
3
2
1
0
Selects interrupt with higher priority
IPS0
IPS1
IPS2
IPS3
Address
IPS
FB2H
Symbol
0
Does not give high priority to any interrupt
0
0
VRQ1
(INTBT/INT4)
0
0
1
VRQ2
(INT0)
0
1
0
VRQ3
(INT1)
0
1
1
VRQ4
(INTCSI)
1
0
0
VRQ5
(INTT0)
1
0
1
VRQ6
(INTT1, INTT2)
1
1
0
1
Setting prohibited
1
1
Gives high priority
to vectored
interrupts shown
on left
Interrupt master enable flag (lME)
0
Disables all interrupts and vectored interrupt is not started
Interrupt is enabled or disabled by corresponding interrupt
enable flag
1