From 115d3c57b293d2ba86bc6bb912b81871088b5218 Mon Sep 17 00:00:00 2001 From: Cahit Date: Mon, 10 Mar 2014 10:58:06 +0100 Subject: [PATCH] new hit buf entity for easier placement --- tdc_releases/tdc_v1.6/hit_inv.vhd | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 tdc_releases/tdc_v1.6/hit_inv.vhd diff --git a/tdc_releases/tdc_v1.6/hit_inv.vhd b/tdc_releases/tdc_v1.6/hit_inv.vhd new file mode 100644 index 0000000..9002c71 --- /dev/null +++ b/tdc_releases/tdc_v1.6/hit_inv.vhd @@ -0,0 +1,27 @@ +library ieee; +use ieee.std_logic_1164.all; +use ieee.numeric_std.all; + +entity hit_inv is + + port ( + PORT_IN : in std_logic; + PORT_OUT : out std_logic); + +end entity hit_inv; + +architecture behavioral of hit_inv is + + signal hit_buf : std_logic; + attribute syn_keep : boolean; + attribute syn_keep of hit_buf : signal is true; + attribute syn_preserve : boolean; + attribute syn_preserve of hit_buf : signal is true; + + +begin -- architecture behavioral + + hit_buf <= PORT_IN; + PORT_OUT <= not hit_buf; + +end architecture behavioral; -- 2.43.0