SPRUJC6A December 2024 – July 2025 AM2752-Q1 , AM2754-Q1
PWM Chopper Control Register
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| Instance Name | Physical Address |
|---|---|
| EPWM0 | 2300 003Ch |
| EPWM1 | 2301 003Ch |
| EPWM2 | 2302 003Ch |
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| RESERVED1 | CHPDUTY | ||||||
| R | R/W | ||||||
| 0h | 0h | ||||||
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| CHPFREQ | OSHTWTH | CHPEN | |||||
| R/W | R/W | R/W | |||||
| 0h | 0h | 0h | |||||
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 15:11 | RESERVED1 | R | 0h | Reserved |
| 10:8 | CHPDUTY | R/W | 0h | Chopping Clock Duty Cycle 0h Duty = 1/8 (12.5%) 1h Duty = 2/8 (25.0%) 2h Duty = 3/8 (37.5%) 3h Duty = 4/8 (50.0%) 4h Duty = 5/8 (62.5%) 5h Duty = 6/8 (75.0%) 6h Duty = 7/8 (87.5%) 7h Reserved |
| 7:5 | CHPFREQ | R/W | 0h | Chopping Clock Frequency 0h Divide by 1 (no prescale) 1h Divide by 2 2h Divide by 3 3h Divide by 4 4h Divide by 5 5h Divide by 6 6h Divide by 7 7h Divide by 8 |
| 4:1 | OSHTWTH | R/W | 0h | One-Shot Pulse Width 0h 1 - SYSCLKOUT/8 wide 1h 2 - SYSCLKOUT/8 wide 2h 3 - SYSCLKOUT/8 wide 3h 4 - SYSCLKOUT/8 wide 3h 4 - SYSCLKOUT/8 wide |
| 0 | CHPEN | R/W | 0h | PWM-chopping Enable 0h Disable (bypass) PWM chopping function 1h Enable chopping function |