Casio CE-300 Service Manual
Also see for CE-300 (EX-247): Service manualMost important functions
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Contents
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— 9 —4-7. RAM / ROM bank selection circuitThis circuit is used for address decoder for memory.Memory MapC000A00080006000400020000000RAM BANK selectarea (4 K)E000RAM common area(8 K)EP ROMCommon (16 K)Mask ROM(16 K)F800Internal RAM(High speed access)288 bytesInternal RAM(High speed access)Short direct area192 bytesFE20FFFFFA80Internal RAM(High speed access)Outer I/O areaF000General purposeregister 32 bytesSpecial functionregister (SFR)256 bytesFEE0FFF0Bank0Bank5Bank4Bank2Bank1Bank3EP ROMBank select area(16 K) FAE0FD00Buffer RAM 32 bytes FAC0KI signal port (F800,F801)000000000010001000011001000010100110Bank2911101RAM 256 K RAM 1 Mwww.freeservicemanuals.info3/22/15Digitized in Heiloo, Holland. |
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