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ICS9FG107YFLNT Datasheet(PDF) 8 Page - Integrated Circuit Systems |
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ICS9FG107YFLNT Datasheet(HTML) 8 Page - Integrated Circuit Systems |
8 / 14 page 8 Integrated Circuit Systems, Inc. ICS9FG107 0863C—11/22/04 General SMBus serial interface information for the ICS9FG107 How to Write: • Controller (host) sends a start bit. • Controller (host) sends the write address DC (H) • ICS clock will acknowledge • Controller (host) sends the begining byte location = N • ICS clock will acknowledge • Controller (host) sends the data byte count = X • ICS clock will acknowledge • Controller (host) starts sending Byte N through Byte N + X -1 (see Note 2) • ICS clock will acknowledge each byte one at a time • Controller (host) sends a Stop bit How to Read: • Controller (host) will send start bit. • Controller (host) sends the write address DC (H) • ICS clock will acknowledge • Controller (host) sends the begining byte location = N • ICS clock will acknowledge • Controller (host) will send a separate start bit. • Controller (host) sends the read address DD (H) • ICS clock will acknowledge • ICS clock will send the data byte count = X • ICS clock sends Byte N + X -1 • ICS clock sends Byte 0 through byte X (if X (H) was written to byte 8). • Controller (host) will need to acknowledge each byte • Controllor (host) will send a not acknowledge bit • Controller (host) will send a stop bit ICS (Sla ve /Re ce ive r) T WR ACK ACK ACK ACK ACK PstoP bit Index Block Write Operation S lave Address DC(H) B eginning Byte = N WRite starT bit Controlle r (Host) Byte N + X - 1 Data Byte Count = X B eginning Byte N T starT bit WR WRite RT Repeat starT RD ReaD Beginning B yte N Byte N + X - 1 N Not acknowledge PstoP bit ICS (Sla ve /Re ce ive r) Controlle r (Host) ACK ACK Data Byte Count = X ACK S lave Address DD(H) Index Block Read Operation S lave Address DC(H) B eginning Byte = N ACK ACK |
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