Abov MC97F6108A - Figure 31. 16-Bit PWM Example at 16 Mhz (Period=Duty)

MC97F6108A User’s manual 10. Timer0/1/2/3
87
PWM
X
PRH(8bit)
00
H
Source Clock (f
x
)
0000 0001 0002 ... FFFF 0000 0001 0002 0000 0001 0002 ... FFFF 0000 0001 0002
... ...
T
x
T
x
/PWM
X
POL0 = 1
Period = Duty
T
x
/PWM
X
POL0 = 0
Period = Duty
Duty Cycle (1+0002
H
)X250ns = 0.75us
Period Cycle (FFFFH+1+0002H)X250ns = 16.38ms → 61.05Hz
T
X
CK[2:0] = 01
H
(f
PCLK
/4)
PWM
X
PRH = 00
H
PWM
X
PRL = 02
H
PWM
X
DRH = 00
H
PWM
X
DRL = 02
H
PWM
X
PRL(8bit)
PWM
X
DRH(8bit) PWM
X
DRL(8bit)
02
H
00
H
02
H
Figure 31. 16-bit PWM Example at 16MHz (Period=Duty)