PWM configuration register
| pwmscale | PWM Counter scale |
| pwmsticky | PWM Sticky - disallow clearing pwmcmpXip bits |
| pwmzerocmp | PWM Zero - counter resets to zero after match |
| pwmdeglitch | PWM Deglitch - latch pwmcmpXip within same cycle |
| pwmenalways | PWM enable always - run continuously |
| pwmenoneshot | PWM enable one shot - run one cycle |
| pwmcmp0center | PWM0 Compare Center |
| pwmcmp1center | PWM1 Compare Center |
| pwmcmp2center | PWM2 Compare Center |
| pwmcmp3center | PWM3 Compare Center |
| pwmcmp0invert | PWM0 Invert |
| pwmcmp1invert | PWM1 Invert |
| pwmcmp2invert | PWM2 Invert |
| pwmcmp3invert | PWM3 Invert |
| pwmcmp0gang | PWM0/PWM1 Compare Gang |
| pwmcmp1gang | PWM1/PWM2 Compare Gang |
| pwmcmp2gang | PWM2/PWM3 Compare Gang |
| pwmcmp3gang | PWM3/PWM0 Compare Gang |
| pwmcmp0ip | PWM0 Interrupt Pending |
| pwmcmp1ip | PWM1 Interrupt Pending |
| pwmcmp2ip | PWM2 Interrupt Pending |
| pwmcmp3ip | PWM3 Interrupt Pending |