Panasonic MN101C77C, F77G 2 1 minute-timer, 1 second-timer Setup Timer, TM6BC, Bp1 Hz1 s

Chapter 8 Time Base Timer / 8-bit Free-running Timer

„8-bit Free-running Timer as a 1 minute-timer, a 1 second-timer

Table 8-3-2 shows the clock source selection and the TM6OC register setup, when a 8-bit free-running timer is used as a 1 minute-timer, a 1 second-timer.

Table 8-3-2 1 minute-timer, 1 second-timer Setup (Timer 6)

Interrupt Generation	Clock Source	TM6OC Register
Cycle
1 min	fx x 1/213	X'EF'
1 s	fx x 1/212	X'07'
	fx x 1/213	X'03'
fx = 32.768(kHz)

When the 1 minute-timer (1 min.) is set on Table 8-3-2, the bp1 waveform frequency (cycle) of the TM6BC register is 1 Hz (1 s). So, that can be used for adjusting the seconds.

TM6BC

bp1

1 Hz(1 s)

Figure 8-3-1 Waveform of TM6BC Register bp1 (Timer 6)

VIII - 8 8-bit Free-running Timer