Blame | Last modification | View Log | Download | RSS feed
|| FILE: #0158.PLD|| PROJ: 20120600|| PART: G16V8-#0158|||| DEV : GAL16V8|||| DESC: DECODER FILE REGISTER||||GAL16V8A||| INPUT| 1:A0, 2:A1, 3:A2, 4:A3, 5:PHI2, 6:KFR, 7:PHI0, 8:RW, 9:S0, 11:RES, 19:KBR,|| OUTPUT| 12:RDS, 13:HWP, 14:HCN, 15:HCI, 16:HBR, 17:HBW, 18:KRS|| ACTIVE-LOW: RDS, HWP, HCN, HCI, HBR, HBW|| PROPERTY:"SIMPLE"|| SIGNATURE: "0158 "||| --------------------------------------------------------|| SEGNALI INTERFACCIA KEYBOARD| KEYB = (KFR')|| FILE REGISTER -> FE40 - FE43| HBR = (KEYB & A3' & A2' & RW & PHI2)| HW1 = (KEYB & A3' & A2' & RW' & PHI2 & S0)| HW2 = (KEYB & A3' & A2' & RW' & PHI0 & S0')| HBW = (HW1 # HW2)| HWP = (KEYB & A3' & A2 & A1' & A0' & RW' & PHI2) || WRITE FE44| HCN = (KEYB & A3' & A2 & A1' & A0 & RW' & PHI2) || WRITE FE45| HCI = (KEYB & A3' & A2 & A1 & A0' & RW' & PHI2) || WRITE FE46| RDS = (KEYB & A3' & A2 & A1' & A0' & RW & PHI2) || READ FE44| KRS = (RES & KBR)