Fujitsu FR60 Hardware Manual page 361

■ Block Diagram of the External Interrupt and NMI Controller
Figure 10.1-1 is a block diagram of the external interrupt and NMI controller.
Figure 10.1-1 Block Diagram of the External Interrupt and NMI Controller
R-bus
8
17
Interrupt
request
8
16
Enable interrupt register
Gate Source F/F
External interrupt request register
External level register
17
Edge detection circuit
INT0 to INT15
NMI
343