Hitachi H8/500 Series - PWM Timing

TCNT clock pulses ø OE TCNT (OS = “0”) DTR PWM output (OS = “1”)
* Used for port 9 input/output: state depends on values in data register and data direction register.
H’FF
(d) M
N written in DTR
* *
(b)(a)
(e)
(a) H’00
M written in DTR
(b) H’01 H’02
N – 1 N + 1
N
N
H’F9
(c)
(c)
(d) H’00 H’01
Figure 12-2 PWM Timing
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