jens
e0e8566bec
Committed on the Free edition of March Hare Software CVSNT Server. Upgrade to CVS Suite for more features and support: http://march-hare.com/cvsnt/ git-svn-id: http://moon:8086/svn/vhdl/trunk@725 cc03376c-175c-47c8-b038-4cd826a8556b
69 lines
1.8 KiB
VHDL
69 lines
1.8 KiB
VHDL
-------------------------------------------------------------------------
|
|
-- Project: MIPS System controller
|
|
-- This file:
|
|
--
|
|
-- Copyright (C) 2008 J. Ahrensfeld
|
|
--
|
|
-- This program is free software: you can redistribute it and/or modify
|
|
-- it under the terms of the GNU General Public License as published by
|
|
-- the Free Software Foundation, either version 3 of the License, or
|
|
-- (at your option) any later version.
|
|
--
|
|
-- This program is distributed in the hope that it will be useful,
|
|
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
-- GNU General Public License for more details.
|
|
--
|
|
-- You should have received a copy of the GNU General Public License
|
|
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
--
|
|
-- For questions and ideas, please contact the author at jens@jayfield.org
|
|
--
|
|
--------------------------------------------------------------------------
|
|
|
|
library IEEE;
|
|
USE IEEE.STD_LOGIC_1164.ALL;
|
|
USE IEEE.NUMERIC_STD.ALL;
|
|
|
|
use work.async_types.all;
|
|
|
|
package async_defs is
|
|
|
|
constant ts_flash : async_timespec_t :=
|
|
(
|
|
T_leadin => 00.0,
|
|
T_pulse_rd => 120.0,
|
|
T_pulse_wr => 70.0,
|
|
T_leadout => 00.0,
|
|
T_release => 40.0,
|
|
T_pulse_rst => 80.0,
|
|
T_pulse_page_rd => 30.0,
|
|
can_page_rd => true,
|
|
nbits_page_rd => 4,
|
|
pol_cs => '0',
|
|
pol_oe => '0',
|
|
pol_we => '0',
|
|
pol_be => '0',
|
|
pol_rst => '0'
|
|
);
|
|
|
|
constant ts_sram : async_timespec_t :=
|
|
(
|
|
T_leadin => 00.0,
|
|
T_pulse_rd => 10.0,
|
|
T_pulse_wr => 10.0,
|
|
T_leadout => 00.0,
|
|
T_release => 00.0,
|
|
T_pulse_rst => 80.0,
|
|
T_pulse_page_rd => 20.0,
|
|
can_page_rd => false,
|
|
nbits_page_rd => 5,
|
|
pol_cs => '0',
|
|
pol_oe => '0',
|
|
pol_we => '0',
|
|
pol_be => '0',
|
|
pol_rst => '0'
|
|
);
|
|
|
|
end async_defs;
|