Heading1 - dffnr, Figure - figure 2-12: logic symbol, Heading2 - pins – Achronix Speedster22i User Macro Guide User Manual
Page 91: Table - table 2-38: pin descriptions, Heading2 - parameters, Table - table 2-39: parameters, Heading3 - init, Heading3 - sr_assertion, Dffnr, Pins