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ICS952011 数据表(PDF) 18 Page - Renesas Technology Corp |
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ICS952011 数据表(HTML) 18 Page - Renesas Technology Corp |
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18 / 26 page ![]() 18 Integrated Circuit Systems, Inc. ICS952011 0721A—07/29/03 I 2C Table: Slew Rate Control Register Pin # Name Control Function Type 0 1 PWD Bit 7 24/48Slw1 RW - - 0 Bit 6 24/48Slw0 RW - - 0 Bit 5 AGPSlw1 RW - - 0 Bit 4 AGPSlw0 RW - - 0 Bit 3 ZCLKSlw1 RW - - 0 Bit 2 ZCLKSlw0 RW - - 0 Bit 1 REFSlw1 RW - - 0 Bit 0 REFSlw0 RW - - 0 I 2C Table: Slew Rate Control Register Control Function Bit 7 SDSlw1 RW - - 0 Bit 6 SDSlw0 RW - - 0 Bit 5 AGPCLK1 Output Control RW Disable Enable 1 Bit 4 AGPCLK0 Output Control RW Disable Enable 1 Bit 3 PCI_FSlw1 RW - - 0 Bit 2 PCI_FSlw0 RW - - 0 Bit 1 PCISlw1 RW - - 0 Bit 0 PCISlw0 RW - - 0 I 2C Table: Output Control Register Control Function Bit 7 MultSel1 IREF X plier Control RW 0 Bit 6 SEL24_48 24MHz or 48MHz RW 48MHz 24MHz 1 Bit 5 SDRAM_OUT Output Control RW Disable Enable 1 Bit 4 12_48MHz Output Control RW Disable Enable 1 Bit 3 24_48MHz Output Control RW Disable Enable 1 Bit 2 REF2 Output Control RW Disable Enable 1 Bit 1 REF1 Output Control RW Disable Enable 1 Bit 0 REF0 Output Control RW Disable Enable 1 I 2C Table: Output Control Register Control Function Bit 7 SEL12_48 12MHz or 48MHz RW 48MHz 12MHz 0 Bit 6 FS6 Freq Select bit 6 RW 0 Bit 5 FS5 Freq Select bit 5 RW 0 Bit 4 Reserved Reserved RW - - 0 Bit 3 STOP_PD Swap Swap CPU_STOP# and PD# location RW Stop-Pin33 PD#-Pin45 Stop-Pin45 PD#-Pin33 1 Bit 2 SS_SEL SS Scheme Select1 RW 0 Bit 1 SS_SEL SS Scheme Select1 RW 0 Bit 0 MultSel0 IREF X plier Control RW 1 See Table 6: MultSel Selection Table Byte 21 - - - - 24/48 Slew Rate Control AGP Slew Rate Control - - - - ZCLK Slew Rate Control REF Slew Rate Control PWD - - Byte 22 Pin # Name Type 1 0 30 31 - - - - 1 0PWD - Byte 23 Pin # Name Type See Table 6 4 3 2 26 47 27 26 45,33 - - - - See Table 1 - PWD 27 Byte 24 Pin # Name Type See Table 2: Spread Spectrum Selection Table PCI Slew Rate Control PCI_F Slew Rate Control SD Slew Rate Control 01 |
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