Enable update.
| GLOBAL_UP_EN | The global enable of update of all active registers in MCPWM module |
| GLOBAL_FORCE_UP | a toggle (software invert its value) will trigger a forced update of all active registers in MCPWM module |
| OP0_UP_EN | When set and PWM_GLOBAL_UP_EN is set, update of active registers in PWM operator 0 are enabled |
| OP0_FORCE_UP | a toggle (software invert its value) will trigger a forced update of active registers in PWM operator 0 |
| OP1_UP_EN | When set and PWM_GLOBAL_UP_EN is set, update of active registers in PWM operator 1 are enabled |
| OP1_FORCE_UP | a toggle (software invert its value) will trigger a forced update of active registers in PWM operator 1 |
| OP2_UP_EN | When set and PWM_GLOBAL_UP_EN is set, update of active registers in PWM operator 2 are enabled |
| OP2_FORCE_UP | a toggle (software invert its value) will trigger a forced update of active registers in PWM operator 2 |