Position Decoder

SAM E54 Xplained Pro has a header footprint for the position decoder module. The PDEC can be used for quadrature, hall, and counter decoding.

Info: External pull-ups are mounted on the three signal lines for use with passive quadrature encoders.
Table 1. PDEC Header
J407 pin SAM E54 pin Function Shared functionality
1 [PHASE A] PC16 PDEC QDI[0] EDBG GPIO0
2 [PHASE B] PC17 PDEC QDI[1] EDBG GPIO1
3 [INDEX] PC18 PDEC QDI[2] EDBG GPIO2 and User LED
4 - GND -
Parent topic: Connectors