cntr_oj7.tdf

在quartus开发环境下

--lpm_counter DEVICE_FAMILY="Cyclone II" lpm_width=3 aclr clock cnt_en q sclr updown
--VERSION_BEGIN 7.0 cbx_cycloneii 2006:09:29:19:03:26:SJ cbx_lpm_add_sub 2006:10:10:22:03:24:SJ cbx_lpm_compare 2006:04:25:14:54:12:SJ cbx_lpm_counter 2006:11:07:16:43:46:SJ cbx_lpm_decode 2006:04:25:15:10:18:SJ cbx_mgl 2006:10:27:16:08:48:SJ cbx_stratix 2006:09:18:10:47:42:SJ cbx_stratixii 2006:10:13:14:01:30:SJ  VERSION_END


--  Copyright (C) 1991-2007 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.


FUNCTION cycloneii_lcell_comb (cin, dataa, datab, datac, datad)
WITH ( 	LUT_MASK,	SUM_LUTC_INPUT) 
RETURNS ( combout, cout);
FUNCTION cycloneii_lcell_ff (aclr, clk, datain, ena, sclr, sdata, sload)
RETURNS ( regout);

--synthesis_resources = lut 3 reg 3 
SUBDESIGN cntr_oj7
( 
	aclr	:	input;
	clock	:	input;
	cnt_en	:	input;
	q[2..0]	:	output;
	sclr	:	input;
	updown	:	input;
) 
VARIABLE 
	counter_comb_bita0 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "5A90",
			SUM_LUTC_INPUT = "cin"
		);
	counter_comb_bita1 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "5A90",
			SUM_LUTC_INPUT = "cin"
		);
	counter_comb_bita2 : cycloneii_lcell_comb
		WITH (
			LUT_MASK = "5A90",
			SUM_LUTC_INPUT = "cin"
		);
	counter_reg_bit1a[2..0] : cycloneii_lcell_ff;
	aclr_actual	: WIRE;
	clk_en	: NODE;
	data[2..0]	: NODE;
	external_cin	: WIRE;
	s_val[2..0]	: WIRE;
	safe_q[2..0]	: WIRE;
	sload	: NODE;
	sset	: NODE;
	updown_dir	: WIRE;

BEGIN 
	counter_comb_bita[2..0].cin = ( counter_comb_bita[1..0].cout, external_cin);
	counter_comb_bita[2..0].dataa = ( counter_reg_bit1a[2..0].regout);
	counter_comb_bita[2..0].datab = ( updown_dir, updown_dir, updown_dir);
	counter_comb_bita[2..0].datad = ( B"1", B"1", B"1");
	counter_reg_bit1a[].aclr = aclr_actual;
	counter_reg_bit1a[].clk = clock;
	counter_reg_bit1a[].datain = ( counter_comb_bita[2..0].combout);
	counter_reg_bit1a[].ena = (clk_en & (((sclr # sset) # sload) # cnt_en));
	counter_reg_bit1a[].sdata = ((! sclr) & ((sset & s_val[]) # ((! sset) & data[])));
	counter_reg_bit1a[].sload = ((sclr # sset) # sload);
	aclr_actual = aclr;
	clk_en = VCC;
	data[] = GND;
	external_cin = B"1";
	q[] = safe_q[];
	s_val[] = B"111";
	safe_q[] = counter_reg_bit1a[].regout;
	sload = GND;
	sset = GND;
	updown_dir = updown;
END;
--VALID FILE