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ICS9FG104YFLFT Datasheet(PDF) 5 Page - Integrated Device Technology |
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ICS9FG104YFLFT Datasheet(HTML) 5 Page - Integrated Device Technology |
5 / 17 page IDTTM/ICSTM Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA ICS9FG104 REV K 04/12/07 ICS9FG104 Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA 5 SMBus Table: Device Control Register, READ/WRITE ADDRESS (DC/DD) Pin # Name Control Function Type 0 1 PWD Bit 7 RW Pin 17 Bit 6 RW Pin 6 Bit 5 RW Pin 24 Bit 4 RW Pin 25 Bit 3 RW Off On Pin 16 Bit 2 RW Hardware Select Software Select 0 Bit 1 RW Driven Hi-Z 0 Bit 0 RW Down Center 0 Notes: 1. These bits reflect the state of the corresponding pins at power up, but may be written to if Byte 0, bit 2 is set to '1'. FS3 is the SEL14M_25M# pin. SMBus Table: Output Enable Register Pin # Name Control Function Type 0 1 PWD Bit 7 1 Bit 6 DIF_3 EN Output Enable RW Disable Enable 1 Bit 5 DIF_2 EN Output Enable RW Disable Enable 1 Bit 4 1 Bit 3 1 Bit 2 DIF_1 EN Output Enable RW Disable Enable 1 Bit 1 DIF_0 EN Output Enable RW Disable Enable 1 Bit 0 1 SMBus Table: Output Stop Control Register Pin # Name Control Function Type 0 1 PWD Bit 7 0 Bit 6 DIF_3 STOP EN Free Run/ Stop Enable RW Free-run Stop-able 0 Bit 5 DIF_2 STOP EN Free Run/ Stop Enable RW Free-run Stop-able 0 Bit 4 0 Bit 3 0 Bit 2 DIF_1 STOP EN Free Run/ Stop Enable RW Free-run Stop-able 0 Bit 1 DIF_0 STOP EN Free Run/ Stop Enable RW Free-run Stop-able 0 Bit 0 0 Reserved Reserved Reserved See Frequency Selection Table, Page 1 FS31 FS21 FS11 FS01 - - - - - - - Byte 2 - - - - - - Byte 1 - - - DIF_STOP# drive mode SPREAD TYPE 16 Spread Enable1 - Enable Software Control of Frequency, Spread Enable (Spread Type always Software Control) 24 25 Byte 0 17 6 Reserved Reserved Reserved Reserved Reserved |
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