State And Block Diagrams - Motorola MPC8240 User Manual

State and Block Diagrams

16.3 State and Block Diagrams
Figure 16-12 shows a state diagram of the watchpoint facility.
!wp_run
0
Figure 16-12. Watchpoint Facility State Diagram
16-12
0
1
match &
!wp_cont &
IDLE !wp_trig_hold
0 wp_run
0
!wp_run
0
Output trigger, TRIG_OUT, is inactive.
1
Output trigger, TRIG_OUT, is active.
!match
0
0
resume &
wp_cont
COMPARE
0
1
match &
wp_trig_hold
match &
wp_cont &
!wp_trig_hold
resume &
!wp_cont
1
HOLD
1
!resume
!wp_run