WFG Control Register A for WFG ch.0/1
| DCK | set the count clock cycle for the WFG timer and Pulse counter |
| TMD | select the WFG’s operation mode |
| GTEN | selects the output conditions for the CH_GATE output signal of the WFG |
| PSEL | select the PPG timer unit to be used for each channel of the WFG |
| PGEN | specifies how to reflect the CH_PPG signal for each channel of the WFG |
| DMOD | 1specifies polarity for RTO(0) and RTO(1) signal outputs |