Estimate of Master FPGA IO pins =============================== Configuration bus Data = 16 Address = 12 Point-to-point, 4/slave = 24 Write, read strobes = 2 Total = 54 Fast data path Data, 6/slave = 36 Control, 2/slave = 12 Total = 48 VME Geo Address = 6 Address, control = 53 Data = 32 Total = 91 JTAG, etc. Total = 20 === Grand total = 213