Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/SiFive/sifive_hifive_unmatched_a00/sifive_pwm0_1/pwmcmp3#0x0
PWM 3 compare register
PWM 3 Compare Value
https://github.com/cmsis-svd/cmsis-svd-data