2019-07-27 08:51 PM
According to DS12288 (and DS12712) Rev1 Table 13 "Alternate function", it is required for TIM1_CH3N on PB9.
Or, the alternate function table (along with PB9 entry in Table 12) is incorrect.
2019-07-29 01:09 AM
Internal ticket entered, thank you for reporting.