Configuration Of Watch Counter - Fujitsu F2MC-8FX Hardware Manual

14.2

Configuration of Watch Counter

Figure 14.2-1 shows the block diagram of the watch counter.
Block Diagram of Watch Counter
Interrupt of
watch
prescaler
Interrupt
enabled
Counter clock
selected
From
watch
prescaler
F CL : Subclock
Figure 14.2-1 Block Diagram of Watch Counter
Watch counter control register (WCSR)
ISEL WCFLG CTR5
Underflow
Counter clear
(6-bit counter)
12
2 /F
CL
13
2 /F
CL
14
2 /F
CL
15
2 /F
CL
CS1
CS0 RCTR5 RCTR4 RCTR3 RCTR2 RCTR1 RCTR0
Watch counter data register (WCDR)
CTR4 CTR3 CTR2
Counter value
Counter
Reload value
CHAPTER 14 WATCH COUNTER
CTR1 CTR0
Interrupt of
watch counter
207