www.pudn.com > SD_Card.rar > a_graycounter_v6c.tdf, change:2014-06-13,size:3734b
--a_graycounter DEVICE_FAMILY="Cyclone IV E" PVALUE=1 WIDTH=10 clock cnt_en q ALTERA_INTERNAL_OPTIONS=suppress_da_rule_internal=S102 --VERSION_BEGIN 11.0 cbx_a_gray2bin 2011:04:27:21:07:19:SJ cbx_a_graycounter 2011:04:27:21:07:19:SJ cbx_cycloneii 2011:04:27:21:07:19:SJ cbx_mgl 2011:04:27:21:11:03:SJ cbx_stratix 2011:04:27:21:07:19:SJ cbx_stratixii 2011:04:27:21:07:19:SJ VERSION_END -- Copyright (C) 1991-2011 Altera Corporation -- Your use of Altera Corporation's design tools, logic functions -- and other software and tools, and its AMPP partner logic -- functions, and any output files from any of the foregoing -- (including device programming or simulation files), and any -- associated documentation or information are expressly subject -- to the terms and conditions of the Altera Program License -- Subscription Agreement, Altera MegaCore Function License -- Agreement, or other applicable license agreement, including, -- without limitation, that your use is for the sole purpose of -- programming logic devices manufactured by Altera and sold by -- Altera or its authorized distributors. Please refer to the -- applicable agreement for further details. --synthesis_resources = reg 14 OPTIONS ALTERA_INTERNAL_OPTION = "suppress_da_rule_internal=S102;{-to counter8a0} POWER_UP_LEVEL=HIGH;{-to parity9} POWER_UP_LEVEL=HIGH"; SUBDESIGN a_graycounter_v6c ( clock : input; cnt_en : input; q[9..0] : output; ) VARIABLE counter8a0 : dffeas WITH ( power_up = "high" ); counter8a1 : dffeas; counter8a2 : dffeas; counter8a3 : dffeas; counter8a4 : dffeas; counter8a5 : dffeas; counter8a6 : dffeas; counter8a7 : dffeas; counter8a8 : dffeas; counter8a9 : dffeas; parity9 : dffeas WITH ( power_up = "high" ); sub_parity10a[2..0] : dffeas; cntr_cout[9..0] : WIRE; parity_cout : WIRE; sclr : NODE; updown : NODE; BEGIN counter8a[9..0].clk = clock; counter8a[9..0].d = ( (counter8a[9].q $ cntr_cout[8..8]), (counter8a[8].q $ (counter8a[7].q & cntr_cout[7..7])), (counter8a[7].q $ (counter8a[6].q & cntr_cout[6..6])), (counter8a[6].q $ (counter8a[5].q & cntr_cout[5..5])), (counter8a[5].q $ (counter8a[4].q & cntr_cout[4..4])), (counter8a[4].q $ (counter8a[3].q & cntr_cout[3..3])), (counter8a[3].q $ (counter8a[2].q & cntr_cout[2..2])), (counter8a[2].q $ (counter8a[1].q & cntr_cout[1..1])), (counter8a[1].q $ (counter8a[0].q & cntr_cout[0..0])), ((cnt_en & (counter8a[0].q $ (! parity_cout))) # ((! cnt_en) & counter8a[0].q))); counter8a[9..0].sclr = sclr; parity9.clk = clock; parity9.d = ((cnt_en & ((sub_parity10a[0..0].q $ sub_parity10a[1..1].q) $ sub_parity10a[2..2].q)) # ((! cnt_en) & parity9.q)); parity9.sclr = sclr; sub_parity10a[].clk = ( clock, clock, clock); sub_parity10a[].d = ( ((cnt_en & (counter8a[8..8].q $ counter8a[9..9].q)) # ((! cnt_en) & sub_parity10a[2].q)), ((cnt_en & (((counter8a[4..4].q $ counter8a[5..5].q) $ counter8a[6..6].q) $ counter8a[7..7].q)) # ((! cnt_en) & sub_parity10a[1].q)), ((cnt_en & (((counter8a[0..0].q $ counter8a[1..1].q) $ counter8a[2..2].q) $ counter8a[3..3].q)) # ((! cnt_en) & sub_parity10a[0].q))); sub_parity10a[].sclr = ( sclr, sclr, sclr); cntr_cout[] = ( B"0", (cntr_cout[7..7] & (! counter8a[7].q)), (cntr_cout[6..6] & (! counter8a[6].q)), (cntr_cout[5..5] & (! counter8a[5].q)), (cntr_cout[4..4] & (! counter8a[4].q)), (cntr_cout[3..3] & (! counter8a[3].q)), (cntr_cout[2..2] & (! counter8a[2].q)), (cntr_cout[1..1] & (! counter8a[1].q)), (cntr_cout[0..0] & (! counter8a[0].q)), (cnt_en & parity_cout)); parity_cout = (((! parity9.q) $ updown) & cnt_en); q[] = counter8a[9..0].q; sclr = GND; updown = VCC; END; --VALID FILE