left_right_leds.pcf

xilinx的SPARTAN-3E入门开发板实例 根据官方公布的led移动范例改写。 原范例仅提供了源代码、烧写文件以及dos窗口下使用的烧写bat文件。 本实例采用了ise7.1i创建

//! **************************************************************************
// Written by: Map H.42 on Tue Dec 26 22:56:00 2006
//! **************************************************************************

SCHEMATIC START;
COMP "led<0>" LOCATE = SITE "F12" LEVEL 1;
COMP "led<1>" LOCATE = SITE "E12" LEVEL 1;
COMP "led<2>" LOCATE = SITE "E11" LEVEL 1;
COMP "clk" LOCATE = SITE "C9" LEVEL 1;
COMP "led<3>" LOCATE = SITE "F11" LEVEL 1;
COMP "led<4>" LOCATE = SITE "C11" LEVEL 1;
COMP "led<5>" LOCATE = SITE "D11" LEVEL 1;
COMP "led<6>" LOCATE = SITE "E9" LEVEL 1;
COMP "led<7>" LOCATE = SITE "F9" LEVEL 1;
COMP "rotary_press" LOCATE = SITE "V16" LEVEL 1;
COMP "rotary_a" LOCATE = SITE "K18" LEVEL 1;
COMP "rotary_b" LOCATE = SITE "G18" LEVEL 1;
NET "clk_BUFGP/IBUFG" BEL "clk_BUFGP/BUFG.GCLKMUX" USELOCALCONNECT;
NET "clk_BUFGP/IBUFG" PERIOD = 20 ns HIGH 50%;
SCHEMATIC END;