ICS951464AGLFT IDT, Integrated Device Technology Inc, ICS951464AGLFT Datasheet
ICS951464AGLFT
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ICS951464AGLFT Summary of contents
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Programmable System Clock Chip for ATI RS/RD690 K8 - based Systems Recommended Application: ATI RS/RD690 systems using AMD K8 processors & SB600 Southbridge Output Features: • 0.7V current-mode differential CPU pairs • 0.7V current-mode differential SRC ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Pin Description PIN # PIN NAME TYPE 1 GNDREF PWR 2 VDDREF PWR OUT 5 VDD48 PWR 6 48MHz_0 OUT 7 48MHz_1 ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Pin Description (Continued) PIN # PIN NAME TYPE 29 *CLKREQC ATIGCLKC1 OUT 31 ATIGCLKT1 OUT 32 GNDATIG PWR 33 VDDATIG PWR 34 ATIGCLKC0 OUT 35 ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 General Description The ICS951464 is a main clock synthesizer chip that provides all clocks required for ATI RS/RD690-based systems. An SMBus interface allows full control of the ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Table1: CPU and HTT Frequency Selection Table Byte 0 CPUCLK Bit4 Bit3 Bit2 Bit1 Bit0 CPU CPU CPU CPU CPU SS_EN FS3 FS2 FS1 FS0 0 0 ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Table2: SRC Frequency Selection Table Byte 0 Byte 5 Bit 5 Bit3 Bit2 Bit1 Bit0 SRC SRC SRC SRC SRC SS_EN FS3 FS2 FS1 FS0 0 0 ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Table3: ATIG Frequency Selection Table Byte 9 Byte 0 Bit 6 Bit4 Bit3 Bit1 Bit0 ATIG ATIG ATIG ATIG ATIG SS_EN FS3 FS2 FS1 FS0 0 0 ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Table 4: CPU Divider Ratios B19b(7:4) Bit 00 00 0000 01 0001 10 0010 11 0011 LSB Address Table 5: HTT Divider Ratios B20b(3:0) 00 Bit 00 ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 General SMBus serial interface information for the ICS951464 How to Write: • Controller (host) sends a start bit. • Controller (host) sends the write address D2 • ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 SMBus Table: Spread Spectrum Enable and CPU Frequency Select Register Byte 0 Pin # Name Bit Source - ATIG SS_EN Bit 6 - SRC ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 SMBus Table: CLKREQA# and CLKREQC# Output Control Register Byte 4 Pin # Name Bit 7 12,13 REQASRC7 Bit 6 16,17 REQASRC6 Bit 5 18,19 REQASRC5 Bit 4 ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 SMBus Table: Byte Count Register Byte 8 Pin # Name - BC7 Bit 7 - BC6 Bit 6 - BC5 Bit 5 - BC4 Bit 4 - ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 SMBus Table: CPU PLL Spread Spectrum Control Register Byte 13 Pin # Name - SSP7 Bit 7 - SSP6 Bit 6 - SSP5 Bit 5 - SSP4 ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 SMBus Table: ATIG PLL Spread Spectrum Control Register Byte 18 Pin # Name Bit 7 - SSP14 Bit 6 - SSP13 Bit 5 - SSP12 Bit 4 ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Absolute Max PARAMETER SYMBOL 3.3V Core Supply Voltage VDD_A 3.3V Logic Input Supply VDD_In Voltage Storage Temperature Ts Ambient Operating Temp Tambient Case Temperature Tcase Input ESD ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Electrical Characteristics - K8 Push Pull Differential Pair 70° 3.3 V +/-5%; C =AMD64 Processor Test Load PARAMETER ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Electrical Characteristics - HTTCLK Clock PARAMETER SYMBOL Long Accuracy ppm PCI33 Clock period T period T HTT66 Clock period period V Output High Voltage Output Low Voltage ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Electrical Characteristics - USB - 48MHz PARAMETER SYMBOL Long Accuracy ppm Clock period T period Clock Low Time T Clock High Time T Output High Voltage V ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 RESET_IN# - Assertion (transition from '1' to '0') Asserting RESET_IN pin stops all the outputs including CPU, SRC, ATIG, PCI and USB with the REF[2:0] running. The ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Common Recommendations for Differential Routing L1 length, Route as non-coupled 50 ohm trace. L2 length, Route as non-coupled 50 ohm trace. L3 length, Route as non-coupled 50 ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Shared Pin Operation - Input/Output Pins The I/O pins designated by (input/output) on the ICS951464 serve as dual signal functions to the device. During initial power-up, they ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Ordering Information 951464yFLFT Example: XXXX Programmable System Clock Chip for ATI RS/RD690 IDT /ICST TM - based Systems SYMBOL A ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 INDEX INDEX AREA AREA Ordering Information 951464yGLFT Example: XXXX Programmable ...
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ICS951464 TM M IDT /ICST Programmable System Clock Chip for ATI RS/RD690 K8 Revision History Rev. Issue Date Description A 4/9/2008 Going to Release. B 9/17/2009 Updated Power Group table based Systems Innovate with IDT and accelerate ...