top_level.ucf

Serial ADC Interface write in VHDL based on xilinx cpld

NET "SP_A_0"        				LOC =  "U19";
NET "SP_A[1]"        				LOC =  "T17";
NET "SP_A[2]"        				LOC =  "R16";
NET "SP_A[3]"        				LOC =  "R17";
NET "SP_A[4]"        				LOC =  "N16";
NET "SP_A[5]"        				LOC =  "M16";
NET "SP_A[6]"        				LOC =  "R19";
NET "SP_A[7]"        				LOC =  "N18";
NET "SP_A[8]"        				LOC =  "K17";
NET "SP_A[9]"        				LOC =  "J17";
NET "SP_A[10]"        			LOC =  "F17";
NET "SP_A[11]"        			LOC =  "H17";
NET "SP_A[12]"        			LOC =  "M18";
NET "SP_A[13]"        			LOC =  "L17";
NET "SP_A[14]"        			LOC =  "E18";
NET "SP_A[15]"        			LOC =  "K18";
NET "SP_A[16]"        			LOC =  "H19";
NET "SP_A[17]"        			LOC =  "L16";
NET "SP_A[18]"        			LOC =  "M17";
NET "SP_A[19]"        			LOC =  "E19";
NET "SP_A[20]"        			LOC =  "F19";
NET "SP_A[21]"        			LOC =  "H18";
NET "SP_A[22]"        			LOC =  "J18";
NET "SP_A[23]"        			LOC =  "L18";

			//   SP_D[15:0]

NET "SP_D[0]"        				LOC =  "V16";
NET "SP_D[1]"        				LOC =  "W15";
NET "SP_D[2]"        				LOC =  "T15";
NET "SP_D[3]"        				LOC =  "D15";
NET "SP_D[4]"        				LOC =  "E15";
NET "SP_D[5]"        				LOC =  "A15";
NET "SP_D[6]"        				LOC =  "A17";
NET "SP_D[7]"        				LOC =  "A18";
NET "SP_D[8]"        				LOC =  "V15";
NET "SP_D[9]"        				LOC =  "T16";
NET "SP_D[10]"        				LOC =  "U15";
NET "SP_D[11]"        				LOC =  "C16";
NET "SP_D[12]"        				LOC =  "A16";
NET "SP_D[13]"        				LOC =  "B17";
NET "SP_D[14]"        				LOC =  "B18";
NET "SP_D[15]"        				LOC =  "F15";

			//   SPRINGBOARD CONTROL SIGNALS

NET "SP_CS0n"   			LOC =  "B19";  //CS0
NET "SP_CS1n"   			LOC =  "G16";  //CS1
NET "SP_WEn" 	  			LOC =  "F18";  //WE
NET "SP_OEn"   				LOC =  "G17";  //OE




//*********************** BUFFERED SIGNALS ****************************

		//   BUFFERED ADDRESS LINES, A[23:0]

NET "A[0]"        				LOC =  "T5";
NET "A[1]"        				LOC =  "W10";
NET "A[2]"        				LOC =  "T9";
NET "A[3]"        				LOC =  "U9";
NET "A[4]"        				LOC =  "T8";
NET "A[5]"        				LOC =  "V7";
NET "A[6]"        				LOC =  "U7";
NET "A[7]"        				LOC =  "T7";
NET "A[8]"        				LOC =  "V6";
NET "A[9]"        				LOC =  "W6";
NET "A[10]"        				LOC =  "V5";
NET "A[11]"        				LOC =  "W5";
NET "A[12]"        				LOC =  "W4";
NET "A[13]"        				LOC =  "W3";
NET "A[14]"        				LOC =  "U6";
NET "A[15]"        				LOC =  "T6";
NET "A[16]"        				LOC =  "R6";
NET "A[17]"        				LOC =  "W7";
NET "A[18]"        				LOC =  "G1";
NET "A[19]"        				LOC =  "U5";
NET "A[20]"        				LOC =  "U4";
NET "A[21]"        				LOC =  "G2";
NET "A[22]"        				LOC =  "G4";

		//   BUFFERED DATA LINES, D[15:0]

NET "D[0]"        				LOC =  "A14";
NET "D[1]"        				LOC =  "B13";
NET "D[2]"        				LOC =  "D12";
NET "D[3]"        				LOC =  "A12";
NET "D[4]"        				LOC =  "C10";
NET "D[5]"        				LOC =  "C8";
NET "D[6]"        				LOC =  "D7";
NET "D[7]"        				LOC =  "A7";
NET "D[8]"        				LOC =  "C13";
NET "D[9]"        				LOC =  "A13";
NET "D[10]"        				LOC =  "B12";
NET "D[11]"        				LOC =  "D10";
NET "D[12]"        				LOC =  "C9";
NET "D[13]"        				LOC =  "B8";
NET "D[14]"        				LOC =  "C7";
NET "D[15]"        				LOC =  "B7";

		//   BUFFERED CONTROL SIGNALS


NET "OEn"        				LOC =  "D14";  //MEM_OE
NET "ADS_RESET"      				LOC =  "T13";  //MEM_RESET






//**************   2.5 MHz System Clock (From ADS7870) ****************
	
NET "CCLK"        				LOC =  "D11"; //Global Clock 1
	

//***************  Burr Brown ADS7870 A/D SIGNALS  ********************


NET "OSC_CNTRL"      				LOC =  "V13";  //OSC ENABLE
NET "BUSY"      	  			LOC =  "T14";  //BUSY
NET "CONVERT"       				LOC =  "W14";  //CONVERT
NET "AD_CHIP2_ENn"        			LOC =  "U10";  //CS
NET "RISE_FALL"      				LOC =  "U11";  //RISE/FALLn
NET "Dout"      				LOC =  "T10";  //Dout
NET "Din"      				LOC =  "W11";  //Din
NET "SCLK"     				LOC =  "W12";  //SClk

NET "AD_D0"      				LOC =  "U12";  //IO0
NET "AD_D1"      				LOC =  "T11";  //IO1
NET "AD_D2"      				LOC =  "U13";  //IO2
NET "AD_D3"      				LOC =  "T12";  //IO3


//**********************     LEDS        ****************************

NET "led1_sel"       			 	LOC =  "G3";
NET "led2_sel"       			 	LOC =  "F4";
NET "led3_sel"       				LOC =  "F3";
NET "led4_sel"       				LOC =  "F5";



//**********************     BUTTONS      ****************************

NET "reset_button"   				LOC =  "K4";





//**********************     SRAM      ****************************

NET "SRAM_LOW_BYTEn "        		LOC =  "K3";  //LBn
NET "SRAM_UPPER_BYTEn"       		LOC =  "J3";  //UBn
NET "RWn"     			LOC =  "J2";  //RW
NET "SRAM_CS1n"        			LOC =  "K2";  //CE


//**********************     FLASH      ****************************


NET "FLASH_CS0n"        		LOC =  "E14"; //CE
NET "FLASH_WR_PROTECT"        	LOC =  "H2";  //WP/ACC

	

NET "busy_test"			LOC =  "E1";

NET "CHIP3_EN"        		LOC =  "M3";

NET "IO13"			LOC = "E2";


#PINLOCK_END