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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ICS951464 датащи(PDF) 13 Page - Renesas Technology Corp |
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ICS951464 датащи(HTML) 13 Page - Renesas Technology Corp |
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13 / 25 page  IDTTM/ICSTM Programmable System Clock Chip for ATI RS/RD690 K8TM - based Systems 1211B—09/17/09 ICS951464 IDTTM/ICSTM Programmable System Clock Chip for ATI RS/RD690 K8 TM - based Systems 13 SMBus Table: CPU PLL Spread Spectrum Control Register Byte 13 Pin # Name Control Function Type 0 1 PWD Bit 7 - SSP7 RW X Bit 6 - SSP6 RW X Bit 5 - SSP5 RW X Bit 4 - SSP4 RW X Bit 3 - SSP3 RW X Bit 2 - SSP2 RW X Bit 1 - SSP1 RW X Bit 0 - SSP0 RW X SMBus Table: CPU PLL Spread Spectrum Control Register Byte 14 Pin # Name Control Function Type 0 1 PWD Bit 7 0 Bit 6 - SSP14 RW X Bit 5 - SSP13 RW X Bit 4 - SSP12 RW X Bit 3 - SSP11 RW X Bit 2 - SSP10 RW X Bit 1 - SSP9 RW X Bit 0 - SSP8 RW X SMBus Table: ATIG PLL VCO Frequency Control Register Byte 15 Pin # Name Control Function Type 0 1 PWD Bit 7 - N Div8 N Divider Prog bit 8 RW X Bit 6 - N Div9 N Divider Prog bit 9 RW X Bit 5 - M Div5 RW X Bit 4 - M Div4 RW X Bit 3 - M Div3 RW X Bit 2 - M Div2 RW X Bit 1 - M Div1 RW X Bit 0 - M Div0 RW X SMBus Table: ATIG PLL VCO Frequency Control Register Byte 16 Pin # Name Control Function Type 0 1 PWD Bit 7 - N Div7 RW X Bit 6 - N Div6 RW X Bit 5 - N Div5 RW X Bit 4 - N Div4 RW X Bit 3 - N Div3 RW X Bit 2 - N Div2 RW X Bit 1 - N Div1 RW X Bit 0 - N Div0 RW X SMBus Table: ATIG PLL Spread Spectrum Control Register Byte 17 Pin # Name Control Function Type 0 1 PWD Bit 7 - SSP7 RW X Bit 6 - SSP6 RW X Bit 5 - SSP5 RW X Bit 4 - SSP4 RW X Bit 3 - SSP3 RW X Bit 2 - SSP2 RW X Bit 1 - SSP1 RW X Bit 0 - SSP0 RW X Spread Spectrum Programming b(7:0) Spread Spectrum Programming b(14:8) These Spread Spectrum bits in Byte 13 and 14 will program the spread pecentage. It is recommended to use ICS Spread % table for spread programming. The decimal representation of M and N Divier in Byte 17 and 18 will configure the VCO frequency. Default at power up = Byte 0 Rom table. VCO Frequency = 14.318 x [NDiv(9:0)+8] / [MDiv(5:0)+2] M Divider Programming bits N Divider Programming b(7:0) These Spread Spectrum bits in Byte 13 and 14 will program the spread pecentage. It is recommended to use ICS Spread % table for spread programming. Reserved The decimal representation of M and N Divier in Byte 17 and 18 will configure the VCO frequency. Default at power up = Byte 0 Rom table. VCO Frequency = 14.318 x [NDiv(9:0)+8] / [MDiv(5:0)+2] Spread Spectrum Programming b(7:0) These Spread Spectrum bits in Byte 19 and 20 will program the spread pecentage. It is recommended to use ICS Spread % table for spread programming. |
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