UPD78F0838 Renesas Electronics Corporation., UPD78F0838 Datasheet - Page 682

• Manufacturer Part Number: UPD78F0838
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

680
OVF (overflow)
OVF (overflow)
Match signal
ADB0 / ADB1
PWM output
Match signal
PWM output
Sequence
1.
2.
3.
CNT0
CNT0
Start of counting (MCNTC0.PCE is set to 1)
Generation of overflow signal (start of PWM pulse)
Generation of match signal (timer counter CNT0 matches compare register, end of PWM pulse)
00H
00H
MCMPk0 value N
MCMPk0 value N
(1)
(1)
CHAPTER 16 STEPPER MOTOR CONTROLLER/DRIVER
Figure 16-8. Output Timing without 1-bit Addition
Figure 16-9. Output Timing with 1-bit Addition
Preliminary User’s Manual U19748EJ1V0UD
FFH
FFH
(2)
(2)
N+1
(3)
(3)
(2)
(2)
(3)
(3)
one bit is added
(2)
(2)
(3)
(3)
(2)
(2)