HD404449 Datasheet, PDF (78/123 Pages) Hitachi Semiconductor – HD404449 SERIES

HD404449 Series
Table 27 PWM Output Following Update of Timer Write Register
PWM Output
Mode
Timer Write Register is Updated during
High PWM Output
Free running
Timer write
register
updated to
value N
Interrupt
request
Timer Write Register is Updated during
Low PWM Output
Timer write
register
updated to
value N
Interrupt
request
Reload
T × (255 – N) T × (N + 1)
Timer write
register
updated to
value N
Interrupt
request
T × (N' + 1)
T × (255 – N) T × (N + 1)
Timer write
register
updated to
value N
Interrupt
request
T
T × (255 – N)
T
T
T × (255 – N)
T
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