SLUUBT5C November 2018 – June 2021 BQ40Z80
The RL0, RL1 and RL2 pins (pins 20, 21, 22) support three multifunctions. Configure Settings:Pin Configuration[MFP20_SEL0][MFP20_SEL1][MFP20_SEL2] to select the following three options for this pin.