NXP Semiconductors MC9S08SU16 Reference Manual page 28

Section number
26.1 Chip specific pulse width modulator............................................................................................................................ 481
26.2 Introduction...................................................................................................................................................................482
26.2.1 Overview........................................................................................................................................................ 482
26.2.2 Features.......................................................................................................................................................... 482
26.2.3 Modes of operation........................................................................................................................................ 483
26.2.4 Block diagram................................................................................................................................................ 483
26.3 Functional description...................................................................................................................................................485
26.3.1 Prescaler......................................................................................................................................................... 485
26.3.2 Generator........................................................................................................................................................485
26.3.2.1
26.3.2.2
26.3.2.3
26.3.3 Independent or complementary channel operation........................................................................................ 489
26.3.4 Deadtime generators...................................................................................................................................... 491
26.3.5 Asymmetric PWM output.............................................................................................................................. 493
26.3.6 Variable edge placement PWM output.......................................................................................................... 493
26.3.7 PWM output polarity..................................................................................................................................... 494
26.3.8 Generator loading...........................................................................................................................................497
26.3.8.1
26.3.8.2
26.3.8.3
26.3.8.4
26.3.9 Fault protection.............................................................................................................................................. 501
26.3.9.1
26.3.9.2
26.3.9.3
26.4 Memory Map and Register Descriptions...................................................................................................................... 504
26.4.1 PWM Control Register: Low (PWM_CTRLL)............................................................................................. 506
26.4.2 PWM Control Register: High (PWM_CTRLH)............................................................................................ 507
28
Alignment and compare output polarity.................................................................................... 486
Period......................................................................................................................................... 487
Pulse width duty cycle............................................................................................................... 487
Load enable................................................................................................................................ 497
Load frequency.......................................................................................................................... 497
Reload flag................................................................................................................................. 498
Initialization............................................................................................................................... 500
Fault pin filter.............................................................................................................................502
Automatic fault clearing.............................................................................................................503
Manual fault clearing................................................................................................................. 503
MC9S08SU16 Reference Manual, Rev. 5, 4/2017
Title Page
NXP Semiconductors