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ICS9LPRS477D データシート(PDF) 5 Page - Renesas Technology Corp |
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ICS9LPRS477D データシート(HTML) 5 Page - Renesas Technology Corp |
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5 / 27 page ![]() 9LPRS477D PROGRAMMABLE SYSTEM CLOCK CHIP FOR ATI RD790-K8TM BASED SYSTEMS IDT® PROGRAMMABLE SYSTEM CLOCK CHIP FOR ATI RD790-K8TM BASED SYSTEMS 5 9LPRS477D REV C 010715 True output Complement Output True output Complement Output 1 0 Enable Running Running Running Running 0 X X Low/20K Low Low/20K Low 1 1 Enable Running Running Low/20K Low XX Disable Low/20K Low Low/20K Low Note: 20K means 20Kohm Pull Down 1 Enable Running Running Running 0 Enable Low Hi-Z Hi-Z USB RE F2 PD# SMBus Register OE REF0, 1 Differential Output Power Management Table Singled-ended Power Management Table Free-Run CLKREQ# Selected PD# CLKREQ# SMBus Register OE Table1: CPU and HTT Frequency Selection Table Bit4 Bit3 Bit2 Bit1 Bit0 CPU FS4 CPU FS3 CPU FS2 CPU FS1 CPU FS0 SEL_HTT66 = 1 SEL_HTT66 = 0 (MHz) 0 0 0 0 0 200.00 66.67 100.00 0% 2 400.00 0 0 0 0 1 205.00 68.33 102.50 2% 2 410.00 0 0 0 1 0 210.00 70.00 105.00 5% 2 420.00 0 0 0 1 1 215.00 71.67 107.50 8% 2 430.00 0 0 1 0 0 220.00 73.33 110.00 10% 2 440.00 0 0 1 0 1 225.00 75.00 112.50 13% 2 450.00 0 0 1 1 0 230.00 76.67 115.00 15% 2 460.00 0 0 1 1 1 235.00 78.33 117.50 18% 2 470.00 0 1 0 0 0 240.00 80.00 120.00 20% 2 480.00 0 1 0 0 1 245.00 81.67 122.50 23% 2 490.00 0 1 0 1 0 250.00 83.33 125.00 25% 2 500.00 0 1 0 1 1 255.00 85.00 127.50 28% 2 510.00 0 1 1 0 0 260.00 86.67 130.00 30% 2 520.00 0 1 1 0 1 265.00 88.33 132.50 33% 2 530.00 0 1 1 1 0 270.00 90.00 135.00 35% 2 540.00 0 1 1 1 1 200.00 66.67 100.00 0% 2 400.00 1 0 0 0 0 280.00 93.33 140.00 40% 2 560.00 1 0 0 0 1 285.00 95.00 142.50 43% 2 570.00 1 0 0 1 0 290.00 96.67 145.00 45% 2 580.00 1 0 0 1 1 295.00 98.33 147.50 48% 2 590.00 1 0 1 0 0 300.00 100.00 150.00 50% 2 600.00 1 0 1 0 1 305.00 101.67 152.50 53% 2 610.00 1 0 1 1 0 310.00 103.33 155.00 55% 2 620.00 1 0 1 1 1 315.00 105.00 157.50 58% 2 630.00 1 1 0 0 0 320.00 106.67 160.00 60% 2 640.00 1 1 0 0 1 325.00 108.33 162.50 63% 2 650.00 1 1 0 1 0 330.00 110.00 165.00 65% 2 660.00 1 1 0 1 1 335.00 111.67 167.50 68% 2 670.00 1 1 1 0 0 340.00 113.33 170.00 70% 2 680.00 1 1 1 0 1 345.00 115.00 172.50 73% 2 690.00 1 1 1 1 0 350.00 116.67 175.00 75% 2 700.00 1 1 1 1 1 355.00 118.33 177.50 78% 2 710.00 Spread % (B6b6=1 and B3b5=1) CPU OverClock % CPU Output Divider VCO Byte 3 HTT Single-ended HTT Differential CPU (MHz) |
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