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[/] [open8_urisc/] [trunk/] [VHDL/] [o8_max7221.vhd] - Diff between revs 191 and 194

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-- Copyright (c)2013, 2020 Jeremy Seth Henry
 
-- All rights reserved.
 
--
 
-- Redistribution and use in source and binary forms, with or without
 
-- modification, are permitted provided that the following conditions are met:
 
--     * Redistributions of source code must retain the above copyright
 
--       notice, this list of conditions and the following disclaimer.
 
--     * Redistributions in binary form must reproduce the above copyright
 
--       notice, this list of conditions and the following disclaimer in the
 
--       documentation and/or other materials provided with the distribution,
 
--       where applicable (as part of a user interface, debugging port, etc.)
 
--
 
-- THIS SOFTWARE IS PROVIDED BY JEREMY SETH HENRY ``AS IS'' AND ANY
 
-- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 
-- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 
-- DISCLAIMED. IN NO EVENT SHALL JEREMY SETH HENRY BE LIABLE FOR ANY
 
-- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 
-- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 
-- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 
-- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 
-- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 
-- THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
--
 
-- VHDL Units :  o8_max7221
 
-- Description:  Provides a memory mapped SPI interface to the max7221 LED
 
--                controller/driver.
 
 
library ieee;
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
use ieee.std_logic_unsigned.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_misc.all;
use ieee.std_logic_misc.all;

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