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memory products - Al Kossow's Bitsavers

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M9346INSTRUCTION SETInstruction S8 Op Code Address Data CommentsREAD 1 10 ASA4A3A2A1AO Read register ASA4A3A2A1AOWRITE 1 01 ASA4A3A2A1AO 01S-00 Write register ASA4A3A2A1AOERASE 1 11 ASA4A3A2A1AO Erase regil'ter ASA4A3A2A1AOWR. AUTOERASE 1 01 ASA4A3A2A1AO 01S-00 Erase/write register ASA4A3A2A 1 AOEWEN 1 00 11 x x x x Erase/write enableEWOS 1 00 OOxxxx Erase/write disableERAL 1 00 10 xx x x Erase all registersWRAL 1 00 ... 01 x x x x 01S-00 Write all registersM9346 has 8 instructions as shown. Note that the MSB of any given instruction is a "1" and is viewed as a start bit in the interface sequence.The next 8 bits carry the op code and the 6-bit address for 1 of 64, 16-bit registers.TIMING DIAGRAMSSYNCHRONOUS DATA TIMINGVIHSKVIL()4jIs01VIHVILCS VIHVIL"oH00 VOL2pstpootpOI* THIS IS THE MINIMUM SK PERIOD7-.7723/16/9222

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