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ICS94241 Datasheet(PDF) 3 Page - Integrated Circuit Systems |
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ICS94241 Datasheet(HTML) 3 Page - Integrated Circuit Systems |
3 / 16 page 3 ICS94241 0453C—10/26/04 General I 2C serial interface information for the ICS94241 How to Write: • Controller (host) sends a start bit. • Controller (host) sends the write address D2 (H) • ICS clock will acknowledge • Controller (host) sends a dummy command code • ICS clock will acknowledge • Controller (host) sends a dummy byte count • ICS clock will acknowledge • Controller (host) starts sending Byte 0 through Byte 20 (see Note) • 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 read address D3 (H) • ICS clock will acknowledge • ICS clock will send the byte count • Controller (host) acknowledges • ICS clock sends Byte 0 through byte 8 (default) • ICS clock sends Byte 0 through byte X (if X (H) was written to byte 8). • Controller (host) will need to acknowledge each byte • Controller (host) will send a stop bit Controller (Host) ICS (Slave/Receiver) Start Bit Address D2(H) ACK Dummy Command Code ACK Dummy Byte Count ACK Byte 0 ACK Byte 1 ACK Byte 2 ACK Byte 3 ACK Byte 4 ACK Byte 5 ACK Byte 6 ACK Byte 18 ACK Byte 19 ACK Byte 20 ACK Stop Bit How to Write: *See notes on the following page. Controller (Host) ICS (Slave/Receiver) Start Bit Address D3(H) ACK Byte Count ACK Byte 0 ACK Byte 1 ACK Byte 2 ACK Byte 3 ACK Byte 4 ACK Byte 5 ACK Byte 6 ACK If 7H has been written to B6 Byte 7 ACK If 12H has been written to B6 Byte18 ACK If 13H has been written to B6 Byte 19 ACK If 14H has been written to B6 Byte 20 ACK Stop Bit How to Read: |
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