The technical reference manual seems to mostly cover the "PS" side of the SoC, and the following manuals are recommended in the TRM for the person who wants to learn about the "PL" side (the FPGA).
The heart of the FPGA portion of this board is an "Artix-7" FPGA
• UG471, 7 Series FPGAs SelectIO Resources User Guide • UG472, 7 Series FPGAs Clocking Resources User Guide • UG473, 7 Series FPGAs Memory Resources User Guide • UG474, 7 Series FPGAs Configurable Logic Block User Guide • UG476, 7 Series FPGAs GTX Transceiver User Guide • UG482, 7 Series FPGAs GTP Transceiver User Guide • PG054, 7 Series FPGAs Integrated Block for PCI Express LogiCORE IP Product Guide • UG479, 7 Series FPGAs DSP48E1 User Guide • UG480, 7 Series FPGAs XADC User Guide
Tom's Computer Info / tom@mmto.org