HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 266

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

8. 16-Bit Timer
Figure 8.28 shows examples of the output of PWM waveforms with duty cycles of 0% and 100%.
If the counter is cleared by compare match with GRB, and GRA is set to a higher value than GRB,
the duty cycle is 0%. If the counter is cleared by compare match with GRA, and GRB is set to a
higher value than GRA, the duty cycle is 100%.
Rev.4.00 Aug. 20, 2007 Page 222 of 638
REJ09B0395-0400
GRB
GRA
H'0000
TIOCA
GRA
GRB
H'0000
TIOCA
16TCNT value
16TCNT value
Figure 8.28 PWM Mode (Example 2)
Write to GRA
Write to GRB
Counter cleared by compare match B
Counter cleared by compare match A
a. 0% duty cycle (TOA = 0)
b. 100% duty cycle (TOA = 1)
Write to GRA
Write to GRB
Time
Time