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68000 68030 CPLD FPGA ARM SHOP

Systems System ROMS 68000 CPU-2.1 Backplane-7 Bridgeboard-2 Memory-3.1 Hex Display 68681 68230-2 ACRTC-2 IDE IDE-2 Protoboard Other Boards   68000 CPU   68000 CPU-2   Backplane   Backplane-2   Memory   Memory-2     Jumpers   Schematic   BOM   Firmware   Address Map   RAM Adapter   ROM Adapter   ROMS   Memory-3   Dual 6850   Dual 6850-2   68230   ACRTC Software Programming Documents Datasheets Quick Tips Blog     The Memory-2 Board Address Map - 1x Memory-2 Board (1x 256K ROM + 2MB RAM)   Board firmware - gal8.jed   256K ROM $ F F F F F F $ F C 0 0 0 0 A23 A22 A21 A20   A19 A18 A17 A16 1 1 1 1   1 1 X X . . . . . . . . . . . . . . . . . . . . . . . . 1MB RAM $ 1 F F F F F $ 1 0 0 0 0 0 A23 A22 A21 A20   A19 A18 A17 A16 0 0 0 1   X X X X 1MB RAM $ 0 F F F F F $ 0 0 0 0 0 0 A23 A22 A21 A20   A19 A18 A17 A16 0 0 0 0   X X X X     Address Map - 1x Memory-2 Board (1x 256K ROM + 2MB RAM)   Board firmware - gal8b.jed   256K ROM $ F B F F F F $ F 8 0 0 0 0 A23 A22 A21 A20   A19 A18 A17 A16 1 1 1 1   1 0 X X . . . . . . . . . . . . . . . . . . . . . . . . 1MB RAM $ 3 F F F F F $ 3 0 0 0 0 0 A23 A22 A21 A20   A19 A18 A17 A16 0 0 1 1   X X X X 1MB RAM $ 2 F F F F F $ 2 0 0 0 0 0 A23 A22 A21 A20   A19 A18 A17 A16 0 0 1 0   X X X X     Address Map - 2x Memory-2 Boards (2x 256K ROM + 4MB RAM)   Board 1 firmware - gal8.jed Board 2 firmware - gal8b.jed   256K ROM $ F F F F F F $ F C 0 0 0 0 A23 A22 A21 A20   A19 A18 A17 A16 1 1 1 1   1 1 X X 256K ROM $ F B F F F F $ F 8 0 0 0 0 A23 A22 A21 A20   A19 A18 A17 A16 1 1 1 1   1 0 X X . . . . . . . . . . . . . . . . . . . . . . . . 1MB RAM $ 3 F F F F F $ 3 0 0 0 0 0 A23 A22 A21 A20   A19 A18 A17 A16 0 0 1 1   X X X X 1MB RAM $ 2 F F F F F $ 2 0 0 0 0 0 A23 A22 A21 A20   A19 A18 A17 A16 0 0 1 0   X X X X 1MB RAM $ 1 F F F F F $ 1 0 0 0 0 0 A23 A22 A21 A20   A19 A18 A17 A16 0 0 0 1   X X X X 1MB RAM $ 0 F F F F F $ 0 0 0 0 0 0 A23 A22 A21 A20   A19 A18 A17 A16 0 0 0 0   X X X X     Note: When using two boards only the first board should have Boot Vector Mode ENABLED Board 1 - J1 open (the system will boot from this boards ROM) Board 2 - J1 short

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