qd1.0-gal11.0.pld

来自「步进电机驱动GAL16V8程序」· PLD 代码 · 共 51 行

Name     GAL43-21 ;
PartNo   00 ;
Date     2007-4-3 ;
Revision 01 ;
Designer Engineer ;
Company  camus47 ;
Assembly None ;
Location  ;
Device   G16V8 ;

/* *************** INPUT PINS *********************/
PIN    1 = CP                        ; /*                                 */ 
PIN    2 = A                        ; /*                                 */ 
PIN    3 = B                        ; /*                                 */ 
PIN    4 = TEST                        ; /*                                 */ 
PIN    5 = COPA                        ; /*                                 */ 
PIN    6 = COPB                        ; /*                                 */ 
PIN    7 = CR                        ; /*                                 */ 
PIN    8 = SW20                        ; /*                                 */ 
PIN    9 = SW21                        ; /*                                 */ 


/* *************** OUTPUT PINS *********************/
PIN  19   =  OA; /*                                 */
PIN  18   =  ONA; /*                                 */
PIN  17   =  OB; /*                                 */
PIN  16   =  ONB; /*                                 */



/* *************** PINNODES    *********************/
PINNODE  15   =  Q1; /*                                 */
PINNODE  14 = Q0; /*                                 */
PINNODE  13 = EB; /*                                 */
PINNODE  12 = EA; /*                                 */

Q0 = !Q0;
Q1= Q1&!Q0#!Q1&Q0; 
EA = !COPA & EA # CR & !COPA & !SW21 & !SW20 & Q1 & Q0 # CR & !COPA & !SW21 & SW20 & Q0
	# CR & !COPA&SW21&!SW20&Q1 # CR&!COPA&SW21&!SW20&Q0
	#CR&!COPA&SW21&SW20 ;
EB = !COPB & EB # CR & !COPB & !SW21 & !SW20 & Q1 & Q0 # CR & !COPB & !SW21 & SW20 & Q0
	# CR & !COPB&SW21&!SW20&Q1 # CR&!COPB&SW21&!SW20&Q0
	#CR&!COPB&SW21&SW20 ;
OA = TEST & EA & A&!ONA# !TEST & A ;
ONA= TEST & EA & !A &!OA# !TEST & A ;
OB= TEST & EB & B &!ONB # !TEST & B ;
ONB= TEST & EB & !B &!OB # !TEST & B ;