PAL-Equations

PAL16L8 / DPALCAS 252128-02 REV 3

/ARW A20 A19 /PRW /UDS /LDS /ROME /RE /RGAE GND /DAE /ROM01
/C1 /RRW LCEN UCEN /CDR /CDW /NC1 VCC

ROM01 = ROME*A20*A19*/PRW+ROME*/A20*/A19*/PRW
CDR   = RE*/PWR*/C1+RGAE*/PRW*/C1+CDR*LDS+CDR*UDS
CDW   = RE*PRW+RGAE*PRW+CDW*/C1+/DAE*/UDS*/UCEN
/UCEN = /DAE*/RE*/UCEN+/DAE*/RE*C1+/DAE*UDS*C1+/DAE*/UDS*/UCEN
/LCEN = /DAE*/RE*/LCEN+/DAE*/RE*C1+/DAE*/LDS*C1+/DAE*/LDS*/LCEN
RRW   = RE*PRW+DAE*ARW*C1+RRW*DAE

(/NC1 ist auf dem Schaltplan als /PALOPE bezeichnet !)


PAL16L8 / DPALEN for RamBoard 252128-01 REV 2

A23 A22 A21 /AS /DBR OVL /OVR XRDY /C3 GND /C1 /VPA
/MYRAME /DAE /RGAE /RE /DTACK /BLS NC VCC

IF (/OVR) VPA = AS*A23*/A22*A21
MYRAME        = AS*/DTACK*A23*A22*A21*/OVR*C1*/C3+
                AS*/DTACK*/A23*/A22*/A21*/OVR*OVL*C1*/C3+
                MYRAME*C1+
                MYRAME*C3
RE            = /DBR*AS/DTACK*/A23*/A22*/A21*/OVL*C1*/C3*/OVR+
                RE*C1+RE*C3
IF (/OVR) DTACK = AS*/A23*/A22*A21*XRDY+
                  AS*/A23*A22*XRDY+
                  AS*A23*/A22*/A21*XRDY+
                  MYRAME*XRDY*C3+
                  RE*C3+RGAE*C3+DTACK*AS*XRDY
RGAE          = /DBR*AS*/DTACK*A23*A22*/A21*C1*/C3*/OVR+
                RGAE*C1+RGAE*C3
DAE           = DBR*C1*/C3+
                DAE*C1+DAE*C3
BLS           = AS*/DTACK*/A23*/A22*/A21*/OVL*C1*/C3*/OVR+
                AS*/DTACK*A23*A22*/A21*C1*/C3*/OVR+
                BLS*C1+BLS*C3

(/MYRAME is auf dem Schaltplan als /ROME bezeichnet)


PAL16L8 / DAUGCAS ram/rom CAS 252128-04 REV 1

/SPROM A18 A17 /PRW /UDS /LDS /RE /RES /ROME GND /C1 /BERR
/WPRO /RRW /LCEN /UCEN /CDR /CDW /ROM01 VCC

ROM01 = ROME*/A12*/WPRO*/SROM*/PRW
CDR   = CDR*LDS+CDR*UDS+RE*/PRW*/C1*A18+RE*/PRW*/C1*/A18*WPRO+
        RE*/PRW*/C1/A18*SROM
CDW   = RE*PRW+CDW*/C1
UCEN  = UCEN*/C1+RE*UDS*A18+RE*UDS*/A18*WPRO+
        RE*UDS*/A18*SROM
LCEN  = LCEN*/C1+RE*LDS*A18+RE*LDS*/A18*WPRO+
        RE*LDS*/A18*SROM
RRW   = RE*PRW*A18/WPRO*/SROM
BERR  = WPRO*PRW*RE
WPRO  = WPRO*/RES+PRW*RE/A18


PAL16L8 / DAUGEN PAL for ram/rom board 252128-03 REV 2

A23 A22 A21 /AS /DBR OVL /OVR XRDY /C3 GND /C1 /CNT
/RE DAE /NC1 A19 /DTACK A20 /ROME VCC

/CNT  = DAE*C1*C3
RE    = AS*/DTACK*A23*A22*A21*A20*A19*/OVR*C1*/C3+
        AS*/DTACK*/A23*/A22*/A21*/A20*/A19*/OVR*OVL*C1*/C3+
        RE*C1+RE*C3
/DAE  = /C1*/C3+RE+
        AS*/DTACK*A23*A22*A21*A20*A19*/OVR*OVL*C1*/C3+
        AS*/DTACK*/A23*/A22*/A21*/A20*/A19*/OVR*OVL*C1*/C3
ROME  = AS*A23*A22*A21*A20*A19*/OVR+
        AS*/A23*/A22*/A21*/A20*/A19*/OVR*OVL


Diese Angaben sind natürlich wie immer ohne Gewähr.