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ICS9LPRS511 数据表(PDF) 11 Page - Renesas Technology Corp |
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ICS9LPRS511 数据表(HTML) 11 Page - Renesas Technology Corp |
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11 / 20 page  11 Integrated Circuit Systems, Inc. ICS9LPRS511 Advance Information 1137—09/05/08 I2C Table: PCIEX PLL Frequency Control Register Byte 15 Name Control Function Type PWD A/B/C/D/E/H/J Bit 7 N Div2 N Divider Prog bit 2 RW X Bit 6 N Div1 N Divider Prog bit 1 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 I2C Table: PCIEX PLL Frequency Control Register (DOC0 = 0) Byte 16 Name Control Function Type PWD A/B/C/D/E/H/J Bit 7 N Div10 RW X Bit 6 N Div9 RW X Bit 5 N Div8 RW X Bit 4 N Div7 RW X Bit 3 N Div6 RW X Bit 2 N Div5 RW X Bit 1 N Div4 RW X Bit 0 N Div3 RW X I2C Table: PCIEX PLL Spread Spectrum Control Register Byte 17 Name Control Function Type PWD A/B/C/D/E/H/J 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 I2C Table: PCIEX PLL Spread Spectrum Control Register Byte 18 Name Control Function Type PWD A/B/C/D/E/H/J Bit 7 SSP15 RW 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 I2C Table: PCIEX PLL Frequency Select Register Byte 19 Name Control Function Type PWD A/B/C/D/E/H/J Bit 7 Reserved Reserved RW 1 Bit 6 Reserved Reserved RW 0 Bit 5 Reserved Reserved RW 0 Bit 4 FS4 Freq Select Bit 4 RW 0 Bit 3 FS3 Freq Select Bit 3 RW 0 Bit 2 FSLC Freq Select Bit 2 RW Latch Bit 1 FSLB Freq Select Bit 1 RW Latch Bit 0 FSLA Freq Select Bit 0 RW Latch - M Divider Programming bit (5:0) 1 - N Divider Programming Byte16 bit(7:0) and Byte15 bit(7:6) The decimal representation of M and N Divider in Byte 15 and 16 will configure the PCIEX PLL VCO frequency. Default at power up = latch-in or Byte 0 Rom table. VCO Frequency = 14.318 x Ndiv(10:0)/Mdiv(5:0) The decimal representation of M and N Divider in Byte 15 and 16 will configure the PCIEX PLL VCO frequency. Default at power up = latch-in or Byte 0 Rom table. VCO Frequency = 14.318 x Ndiv(10:0)/Mdiv(5:0) See Table 2: PCIEX PLL Frequency Selection Table Spread Spectrum Programming bit(7:0) 1 0 - -- 0 01 These Spread Spectrum bits in Byte 17 and 18 will program the spread percentage of PCIEX PLL 01 0 1 - Spread Spectrum Programming bit(14:8) These Spread Spectrum bits in Byte 17 and 18 will program the spread percentage of PCIEX PLL |
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