


        X1 and X2 pin assignments

        X1-1    GND             X1-26   GND
        X1-2    UCMD   (CBLNK)  X1-27   VD15
        X1-3    USEWE  (INIT)   X1-28   VD14
        X1-4    WESEL  (WSCAN)  X1-29   GND
        X1-5    ALLPL  (DA20)   X1-30   VD13
        X1-6    DA19            X1-31   VD12
        X1-7    DA18            X1-32   GND
        X1-8    EAC             X1-33   VD11
        X1-9    DWT             X1-34   VD10
        X1-10   EAS             X1-35   GND
        X1-11   DSB             X1-36   VD9
        X1-12   TC2    (GND)    X1-37   VD8
        X1-13   VLE3            X1-38   GND
        X1-14   GND             X1-39   VD7
        X1-15   VLE2            X1-40   VD6
        X1-16   GND             X1-41   GND
        X1-17   VLE1            X1-42   VD5
        X1-18   GND             X1-43   VD4
        X1-19   VLE0            X1-44   GND
        X1-20   GND             X1-45   VD3
        X1-21   SEG3            X1-46   VD2
        X1-22   SEG2            X1-47   GND
        X1-23   GND             X1-48   VD1
        X1-24   SEG1            X1-49   VD0
        X1-25   SEG0            X1-50   LWORD


        X2-1    GND             X2-26   ED6
        X2-2    ED30            X2-27   ED5
        X2-3    ED29            X2-28   ED4
        X2-4    ED28            X2-29   ED3
        X2-5    ED27            X2-30   ED2
        X2-6    ED26            X2-31   ED1
        X2-7    ED25            X2-32   ED0
        X2-8    ED24            X2-33   DA17
        X2-9    ED23            X2-34   DA16
        X2-10   ED22            X2-35   DA15
        X2-11   ED21            X2-36   DA14
        X2-12   ED20            X2-37   DA13
        X2-13   ED19            X2-38   DA12
        X2-14   ED18            X2-39   DA11
        X2-15   ED17            X2-40   DA10
        X2-16   ED16            X2-41   DA9
        X2-17   ED15            X2-42   DA8
        X2-18   ED14            X2-43   DA7
        X2-19   ED13            X2-44   DA6
        X2-20   ED12            X2-45   DA5
        X2-21   ED11            X2-46   DA4
        X2-22   ED10            X2-47   DA3
        X2-23   ED9             X2-48   DA2
        X2-24   ED8             X2-49   DA1
        X2-25   ED7             X2-50   ED31


