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DS1993 Datasheet(PDF) 7 Page - Maxim Integrated Products |
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DS1993 Datasheet(HTML) 7 Page - Maxim Integrated Products |
7 / 17 page DS1992/DS1993 7 of 17 Figure 6. MEMORY FUNCTIONS FLOW CHART Master TX Memory Function Command Y DS199x sets Scratchpad Offset = (T4:T0) and Clears (PF, OF, AA) DS199x sets (E4:E0) = Scratchpad Offset DS199x Increments Scratchpad Offset Bus Master TX TA1 (T7:T0) Bus Master TX TA2 (T15:T8) Master TX Data Byte To Scratchpad Offset Bus Master TX Reset ? N 0FH Write ? Scratchpad N Bus Master TX Data ? Y N PF = 1 N Y Bus Master TX Reset ? To Figure 6 Second Part Bus Master RX TA1 (T7:T0) Bus Master RX TA2 (T15:T8) Master RX Ending Offset with Data Status (E/S) DS199x Sets Scratchpad Offset=(T4:T0) Bus Master TX Reset ? DS199x Increments Scratchpad Offset Y Master RX Data Byte From Scratchpad Offset N N Scratch- pad Offset = 11111b ? Y Y Scratchpad AAH Read ? Bus Master RX "1"s From Figure 6 Second Part OF = 1 Scratch- pad Offset = 11111b ? N Partial Byte Written ? N Y Y Y DS199x TX Presence Pulse (See Figure 9) |
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