Figure 5.6-1 Effect On Buzzer Output Of Clearing Timebase Timer - Fujitsu F2MC-8L Series Hardware Manual

CHAPTER 5 TIMEBASE TIMER
Figure 5.6-1 shows the effect on the buzzer output of clearing the timebase timer.

Figure 5.6-1 Effect on Buzzer Output of Clearing Timebase Timer

Counter value
XXX3FF
XXX200
XXX000
Clock supplied to
the buzzer output
X: Any value. The counter is cleared to "0".
For the case when the buzzer selection bits in the buzzer register (BZCR: BZ2, BZ1, BZ0) are set to "010B".
(Divide-by-2048 main clock source oscillation, approximately 2.05 kHz output at 4.2 MHz operation)
142
H
H
H
Clearing the counter by the program (TBTC: TBR = "0")