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Stepper Motor Controller/Driver (Stepper-C/D)
Chapter 21
Preliminary User’s Manual U17566EE1V2UM00
Figure 21-3
Output timing without 1-bit addition
Figure 21-4
Output timing with 1-bit addition
Sequence
1. Start of counting (MCNTCnm.PCE is set to 1)
2. Generation of overflow signal (start of PWM pulse)
3. Generation of match signal (timer counter CNTm matches compare
register, end of PWM pulse)
OVF (overflow)
CNTm
Match signal
PWM output
00H
FFH
MCMPnkm value N
(2)
(3)
(2)
(3)
(2)
(3)
(2)
(1)
FFH
MCMPnkm value N
N+1
00H
CNTm
OVF (overflow)
Match signal
PWM output
ADB0 / ADB1
(1)
(2)
(3)
(2)
(3)
(2)
(3)
(2)
one bit is added
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