HD404818 Datasheet, PDF (57/100 Pages) Hitachi Semiconductor – 16-digit LCD driver

HD404818 Series
Table 24 PWM Output Following Update of Timer load Register
Mode
Free running
PWM Output
Timer load Register is Updated during
High PWM Output
Timer load
register
updated to
value N
Interrupt
request
Timer load Register is Updated during
Low PWM Output
Timer load
register
updated to
value N
Interrupt
request
Reload
T × (255 – N) T × (N + 1)
Timer load
register
updated to
value N
Interrupt
request
T × (N' + 1)
T × (255 – N) T × (N + 1)
Timer load
register
updated to
value N
Interrupt
request
T
T × (255 – N)
T
T
T × (255 – N)
T
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