CHAPTER 10 INTERVAL TIMER, WATCH TIMER
User’s Manual U16896EJ2V0UD
337
(1) Clock
control
The clock control controls supply/stop of the operation clock (f
X
) of interval timer BRG.
(2) 3-bit
prescaler
The 3-bit prescaler divides f
X
to generate f
X
/2, f
X
/4, and f
X
/8.
(3) Selector
The selector selects the count clock (f
BGCS
) for interval timer BRG from f
X
, f
X
/2, f
X
/4, and f
X
/8.
(4) 8-bit
counter
The 8-bit counter counts the count clock (f
BGCS
).
(5) Output
control
The output control controls supply of the count clock (f
BRG
) for the watch timer.
(6) PRSCM
register
The PRSCM register is an 8-bit compare register that sets the interval time.
(7) PRSM
register
The PRSM register controls the operation of interval timer BRG, the selector, and clock supply to the watch
timer.