Hi-Speed Clock (6.4khz) in at 16x every 2.5 ms (Apprx 156us) Clock for Row 1 of 16 led then clock 16 bits of Data Row 2 of 16 led then clock 16 bits of Data Row 3,4,5,6,7,8 of 16 led then clock 16 bits of Data ------------- [400hz -- Clk of 2.5ms Row 1 of 16 time ---] [ 16 Clks of 156us=2.5ms ] ] [ (Led01)-(Led02)-(Led03)>>>>>>>>>>>>>(Led15)-(Led16) ] [400hz -- Clk of 2.5ms Row 2 of 16 time ---] [ 16 Clks of 156us=2.5ms ] ] [ (Led01)-(Led02)-(Led03)>>>>>>>>>>>>>(Led15)-(Led16) ] [400hz -- Clk of 2.5ms Row 3 of 16 time ---] [ 16 Clks of 156us=2.5ms ] ] [ (Led01)-(Led02)-(Led03)>>>>>>>>>>>>>(Led15)-(Led16) ] [400hz Clk of 2.5ms Row 4,5,6,7,8,9,10,11,12,13,14,15,16 time -]