56.29 PDEC Electrical Specifications

Figure 56-17. Position Decoder (PDEC) Counter Mode Timing Diagram
Figure 56-18. Position Decoder (PDEC) Input Timing Diagrams
Table 56-36. Quadrature Encoder Interface Electrical Specifications
AC CHARACTERISTICSStandard Operating Conditions: VDD = AVDD = 1.71V to 3.63V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +125°C for Extended Temperature

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
PDEC_1TtPHTPCK high time2/fGCLK_PDECnsFCLK_41: Refer to

Maximum Clock Frequencies Electrical Specifications

PDEC_3TtPLTPCK low time2/fGCLK_PDECns
PDEC_5TtPPTPCK input period4/fGCLK_PDECns
PDEC_7TCKEXTDLYDelay from External TxCK Clock Edge to counter Increment4/fGCLK_PDECns
PDEC_11TPDHPosition Decoder Input High Time4/fGCLK_PDECns
PDEC_13TPDLPosition Decoder Input Low Time4/fGCLK_PDECns
PDEC_15TPDINPosition Decoder Input Period8/fGCLK_PDECns
PDEC_21TPDFHFilter Time to Recognize High, with Digital Filter4/fGCLK_PDECns
PDEC_23TPDFLFilter Time to Recognize Low, with Digital Filter4/fGCLK_PDECns
PDEC_24fGCLK_PDECGCLK_PDECFCLK_41MHz