Switching Between External Interrupt And Dtp Requests - Fujitsu MB90390 Series Hardware Manual

17.4

Switching between External Interrupt and DTP Requests

To switch between external interrupt and DTP requests, use the ISE bit in the ICR
register corresponding to this block, which is in the interrupt controller. Each pin is
individually assigned ICR. Thus, a pin is used for a DTP request if "1" is written to the
ISE bit of the corresponding ICR, and is used for an external interrupt request if "0" is
written to the bit.
■ Switching between External Interrupt and DTP Requests
Figure 17.4-1 Switching between External Interrupt and DTP Requests
External
Pin
interrupt/DTP
CHAPTER 17 DTP/EXTERNAL INTERRUPTS
Interrupt controller
ICR 0
xx
1
ICR
yy
2
F MC-16LX CPU
DTP
External interrupt
275