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AMD Athlon XP 10 Datasheet

AMD Athlon XP 10 Datasheet

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Preliminary Information
AMD Athlon XP
TM
Processor Model 10
Data Sheet
Publication # 26237 Rev. C
Issue Date: May 2003

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Summary of Contents for AMD Athlon XP 10

  • Page 1 Preliminary Information AMD Athlon XP Processor Model 10 Data Sheet Publication # 26237 Rev. C Issue Date: May 2003...
  • Page 2 AMD reserves the right to discontinue or make changes to its products at any time without notice. Trademarks AMD, the AMD Arrow logo, AMD Athlon, AMD Duron, and combinations thereof, QuantiSpeed, and 3DNow! are trademarks of Advanced Micro Devices, Inc. HyperTransport is a licensed trademark of the HyperTransport Technology Consortium.

  • Page 3: Table Of Contents

    Push-Pull (PP) Drivers ....... . 6 AMD Athlon™ System Bus Signals ..... . 6 Logic Symbol Diagram.
  • Page 4 AMD Pin ........
  • Page 5 Ordering Information....... . . 79 Standard AMD Athlon XP Processor Model 10 Products ..79 Appendix A Thermal Diode Calculations .
  • Page 6 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table of Contents...
  • Page 7 Sequence ..........43 Figure 14. AMD Athlon XP Processor Model 10 Part Number 27488 OPGA Package Diagram.
  • Page 8 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 viii List of Figures...
  • Page 9 Table 5. Electrical and Thermal Specifications for the Advanced 400 FSB AMD Athlon XP Processor Model 10 ... . . 25 Table 6. Advanced 400 FSB SYSCLK and SYSCLK# AC Characteristics .
  • Page 10 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 25. FID[3:0] Clock Multiplier Encodings ..... 74 Table 26.

  • Page 11: Revision History

    Revision History Date Description Public revision C of the AMD Athlon™ XP Processor Model 10 Data Sheet includes the following changes: In Chapter 1, revised wording in the Overview. Added Chapter 6, “Advanced 333 Front-Side Bus AMD Athlon™ XP Processor Model 10 Specifications”...
  • Page 12 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Revision History...

  • Page 13: Overview

    ® delivering extreme performance for Windows The AMD Athlon™ XP processor model 10, based on leading- edge 0.13 micron technology and increased on-chip cache, integrates the innovative design and manufacturing expertise of AMD to deliver improved performance while maintaining the stable and compatible Socket A infrastructure of the AMD Athlon processor.

  • Page 14: Quantispeed™ Architecture Summary

    M M X i n s t r u c t i o n m o d e l , t h e AMD Athlon XP processor model 10 can produce as many as four, 32-bit, single-precision floating-point results per clock cycle.

  • Page 15: Figure 1. Typical Amd Athlon™ Xp Processor Model 10 System

    AGP Bus Memory Bus System Controller SDRAM or DDR (Northbridge) PCI Bus Peripheral Bus Controller SCSI (Southbridge) Modem / Audio LPC Bus Dual EIDE BIOS Figure 1. Typical AMD Athlon™ XP Processor Model 10 System Block Diagram Chapter 1 Overview...
  • Page 16 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Overview Chapter 1...

  • Page 17: Interface Signals

    This section describes the interface signals utilized by the AMD Athlon™ XP processor model 10. Overview The AMD Athlon™ system bus architecture is designed to deliver excellent data movement bandwidth for next- generation x86 platforms as well as the high-performance required by enterprise-class application software.

  • Page 18: Push-Pull (Pp) Drivers

    A 13-bit unidirectional output address/command channel A 13-bit unidirectional input address/command channel A 72-bit bidirectional data channel For more information, see Chapter 7, “Electrical Data” on page 23 and the AMD Athlon™ and AMD Duron™ System Bus Specification, order# 21902. Interface Signals Chapter 2...

  • Page 19: Logic Symbol Diagram

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Logic Symbol Diagram Figure 2 is the logic symbol diagram of the processor. This diagram shows the logical grouping of the input and output signals. Clock SYSCLK SYSCLK#...
  • Page 20 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Logic Symbol Diagram Chapter 3...

  • Page 21: Power Management

    2) During transitions between the Halt state and the C2 Stop Grant state 3) During transitions between the C2 Stop Grant state and the Halt state 4) C0 Working state Figure 3. AMD Athlon™ XP Processor Model 10 Power Management States Chapter 4 Power Management...

  • Page 22: Working State

    Stop Grant special bus cycle on the AMD Athlon system bus. The processor is not in a low-power state at this time, because the AMD Athlon system bus is still connected. After the Northbridge disconnects the AMD Athlon...
  • Page 23 , t h e p ro c e s s o r i n i t i a t e s a c o n n e c t o f t h e AMD Athlon system bus if it is disconnected. After the...

  • Page 24: Probe State

    Probe State The Probe state is entered when the Northbridge connects the AMD Athlon system bus to probe the processor (for example, to snoop the processor caches) when the processor is in the Halt or Stop Grant state. When in the Probe state, the processor responds to a probe cycle in the same manner as when it is in the Working state.
  • Page 25 The system is required to assert the CONNECT signal before returning the C-bit for the connect special cycle (assuming CONNECT has been deasserted). For more information, see the AMD Athlon™ and AMD Duron™ System Bus Specification, order# 21902 for the definition of the C-bit and the Connect special cycle.

  • Page 26: Figure 4. Amd Athlon System Bus Disconnect Sequence In The

    PROCRDY CLKFWDRST PCI Bus Stop Grant Figure 4. AMD Athlon™ System Bus Disconnect Sequence in the Stop Grant State An example of the AMD Athlon system bus disconnect sequence is as follows: 1. The peripheral controller (Southbridge) asserts STPCLK# to place the processor in the Stop Grant state.

  • Page 27: Figure 5. Exiting The Stop Grant State And Bus Connect Sequence

    AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Figure 5 shows the signal sequence of events that takes the processor out of the Stop Grant state, connects the processor to the AMD Athlon system bus, and puts the processor into the Working state. STPCLK# PROCRDY...

  • Page 28: Connect State Diagram

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Connect State Figure 6 below and Figure 7 on page 17 show the Northbridge Diagram and processor connect state diagrams, respectively. Disconnect Disconnect Connect Pending Requested Reconnect Probe...

  • Page 29: Figure 7. Processor Connect State Diagram

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Connect Connect Pending 2 Disconnect Pending Connect Pending 1 Disconnect Condition Action CONNECT is deasserted by the Northbridge (for a A CLKFWDRST is asserted by the Northbridge. previously sent Halt or Stop Grant special cycle).

  • Page 30: Clock Control

    (address C001_001Bh) that determines the internal clock divisor when the AMD Athlon system bus is disconnected. Refer to the AMD Athlon™ and AMD Duron™ Processors BIOS, Software, and Debug Developers Guide, order# 21656, for more details on the CLK_Ctl register.

  • Page 31: Cpuid Support

    AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 CPUID Support AMD Athlon™ XP processor model 10 version and feature set recognition can be performed through the use of the CPUID instruction, that provides complete information about the processor—vendor, type, name, etc., and its capabilities.
  • Page 32 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 CPUID Support Chapter 5...

  • Page 33: Advanced 333 Front-Side Bus Amd Athlon™ Xp Processor Model 10 Specifications

    3. These currents occur when the AMD Athlon™ system bus is disconnected and has a low power ratio of 1/8 for Stop Grant disconnect and a low power ratio of 1/8 Halt disconnect applied to the core clock grid of the processor as dictated by a value of 2003_1223h programmed into the Clock Control (CLK_Ctl) MSR.

  • Page 34: Sysclk And Sysclk# Ac Characteristics

    1. The AMD Athlon™ system bus operates at twice this clock frequency. 2. Circuitry driving the AMD Athlon system bus clock inputs must exhibit a suitably low closed-loop jitter bandwidth to allow the PLL to track the jitter. The –20dB attenuation point, as measured into a 20 or 30 pF load must be less than 500 kHz.

  • Page 35: Advanced 333 Fsb Amd Athlon System Bus Ac Characteristics

    Advanced 333 FSB AMD Athlon™ System Bus AC Characteristics The AC characteristics of the AMD Athlon system bus of this processor are shown in Table 3. The parameters are grouped based on the source or destination of the signals involved.

  • Page 36: Advanced 333 Fsb Amd Athlon System Bus Dc

    DC source and a sufficiently quiet AC response to adhere to the ± 50 mV specification listed above. 2. Measured at V / 2. CC_CORE Advanced 333 Front-Side Bus AMD Athlon™ XP Processor Model 10 Specifications Chapter 6...

  • Page 37: Advanced 400 Front-Side Bus Amd Athlon Xp Processor Model 10 Specifications

    3. These currents occur when the AMD Athlon™ system bus is disconnected and has a low power ratio of 1/8 for Stop Grant disconnect and a low power ratio of 1/8 Halt disconnect applied to the core clock grid of the processor as dictated by a value of 2003_1223h programmed into the Clock Control (CLK_Ctl) MSR.

  • Page 38: Sysclk And Sysclk# Ac Characteristics

    1. The AMD Athlon™ system bus operates at twice this clock frequency. 2. Circuitry driving the AMD Athlon system bus clock inputs must exhibit a suitably low closed-loop jitter bandwidth to allow the PLL to track the jitter. The –20dB attenuation point, as measured into a 20 or 30 pF load must be less than 500 kHz.

  • Page 39: Advanced 400 Fsb Amd Athlon System Bus Ac Characteristics

    Advanced 400 FSB AMD Athlon™ System Bus AC Characteristics The AC characteristics of the AMD Athlon system bus of this processor are shown in Table 7. The parameters are grouped based on the source or destination of the signals involved.

  • Page 40: Advanced 400 Fsb Amd Athlon System Bus Dc

    DC source and a sufficiently quiet AC response to adhere to the ± 50 mV specification listed above. 2. Measured at V / 2. CC_CORE Advanced 400 Front-Side Bus AMD Athlon™ XP Processor Model 10 Specifications Chapter 7...

  • Page 41: Electrical Data

    26237C—May 2003 Electrical Data This chapter describes the electrical characteristics that apply to all desktop AMD Athlon™ XP processors model 10. Conventions The conventions used in this chapter are as follows: Current specified as being sourced by the processor is negative.

  • Page 42: Voltage Identification (Vid[4:0])

    Table 9. Interface Signal Groupings (continued) Signal Group Signals Notes See “Advanced 333 FSB AMD Athlon™ System Bus DC SADDIN[14:2]#, SADDOUT[14:2]#, Characteristics” on page 24, See “Advanced 400 FSB SADDINCLK#, SADDOUTCLK#, SFILLVAL#, AMD Athlon™ System Bus DC Characteristics” on page AMD Athlon™...

  • Page 43: Frequency Identification (Fid[3:0])

    1. The FID pins must not be pulled above 2.625 V, which is equal to 2.5 V plus a maximum of five percent. 2. Refer to “VCC_2.5V Generation Circuit” found in the section, “Motherboard Required Circuits,” of the AMD Athlon™ Processor- Based Motherboard Design Guide, order# 24363.

  • Page 44: Characteristics

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Characteristics CC_CORE Table 13 shows the AC and DC characteristics for V CC_CORE See Figure 10 on page 33 for a graphical representation of the waveform. CC_CORE Table 13. V...

  • Page 45: Figure 10. Vcc_Core Voltage Waveform

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Figure 10 shows the processor core voltage (V CC_CORE waveform response to perturbation. The t (negative AC MIN_AC transient excursion time) and t (positive AC transient MAX_AC excursion time) represent the maximum allowable time below or above the DC tolerance thresholds.

  • Page 46: Absolute Ratings

    AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Absolute Ratings The AMD Athlon XP processor model 10 should not be subjected to conditions exceeding the absolute ratings, as such conditions can adversely affect long-term reliability or result in functional damage.

  • Page 47: Sysclk And Sysclk# Dc Characteristics

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 SYSCLK and SYSCLK# DC Characteristics Table 15 shows the DC characteristics of the SYSCLK and SYSCLK# differential clocks. The SYSCLK signal represents CLKIN and RSTCLK tied together while the SYSCLK# signal represents CLKIN# and RSTCLK# tied together.

  • Page 48: General Ac And Dc Characteristics

    AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 8.10 General AC and DC Characteristics Table 16 shows the AMD Athlon XP processor model 10 AC and DC characteristics of the Southbridge, JTAG, test, and miscel- laneous pins. Table 16. General AC and DC Characteristics...

  • Page 49: Table 16. General Ac And Dc Characteristics

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 16. General AC and DC Characteristics (continued) Symbol Parameter Description Condition Units Notes Input Time to Acquire 20.0 7, 8 Input Time to Reacquire 40.0 9–13 Signal Rise Time...

  • Page 50: Open Drain Test Circuit

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 8.11 Open Drain Test Circuit Figure 12 is a test circuit that may be used on automated test equipment (ATE) to test for validity on open drain pins.

  • Page 51: Thermal Diode Characteristics

    1. The sourcing current should always be used in forward bias only. 2. Characterized at 95°C with a forward bias current pair of 10 µA and 100 µA. AMD recommends using a minimum of two sourcing currents to accurately measure the temperature of the thermal diode.

  • Page 52: Table 18. Guidelines For Platform Thermal Protection Of The

    2. The thermal diode is capable of responding to thermal events of 40°C/s or faster. 3. The AMD Athlon™ XP processor model 10 provides a thermal diode for measuring die temperature of the processor. The processor relies on thermal circuitry on the motherboard to turn off the regulated core voltage to the processor in response to a thermal shutdown event.

  • Page 53: Apic Pins Ac And Dc Characteristics

    1. Characterized across DC supply voltage range. 2. The 2.625-V value is equal to 2.5 V plus a maximum of five percent. 3. Refer to “VCC_2.5V Generation Circuit” found in the section, “Motherboard Required Circuits,” of the AMD Athlon™ Processor- Based Motherboard Design Guide, order# 24363.

  • Page 54: Amd Athlon™ Xp Processor Model 10 Data Sheet 26237C—May

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Electrical Data Chapter 8...

  • Page 55: Signal And Power-Up Requirements

    AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Signal and Power-Up Requirements The AMD Athlon™ XP processor model 10 is designed to provide functional operation if the voltage and temperature parameters are within the limits of normal operating ranges.
  • Page 56 1. RESET# must be asserted before PWROK is asserted. The AMD Athlon XP processor model 10 does not set the correct clock multiplier if PWROK is asserted prior to a RESET# assertion. It is recommended that RESET# be asserted at least 10 nanoseconds prior to the assertion of PWROK.
  • Page 57 8. The FID[3:0] signals become valid within 100 ns after RESET# is asserted. Refer to the AMD Athlon™ Processor- Based Motherboard Design Guide, order# 24363, for the specific implementation and additional circuitry required.

  • Page 58: Clock Multiplier Selection (Fid[3:0])

    (SIP). The chipset then sends the SIP information to the processor for configuration of the AMD Athlon system bus for the clock multiplier that determines the processor frequency indicated by the FID[3:0] code. The SIP is sent to the processor using the SIP protocol.

  • Page 59: Mechanical Data

    AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Mechanical Data The AMD Athlon™ XP processor model 10 connects to themotherboard through a Pin Grid Array (PGA) socket named Socket A. This processor utilizes the Organic Pin Grid Array (OPGA) package type described in this chapter.

  • Page 60: Amd Athlon Xp Processor Model 10 Part Number 27488 Opga Package Dimensions

    Table 21 shows the part number 27488 OPGA package dimensions in millimeters assigned to the letters and symbols used in the 27488 package diagram, Figure 14 on page 49. Table 21. Dimensions for the AMD Athlon™ XP Processor Model 10 Part Number 27488 OPGA Package Minimum...

  • Page 61: Figure 14. Amd Athlon Xp Processor Model 10 Part Number 27488 Opga Package Diagram

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Figure 14. AMD Athlon™ XP Processor Model 10 Part Number 27488 OPGA Package Diagram Chapter 10 Mechanical Data...

  • Page 62: Amd Athlon Xp Processor Model 10 Part Number 27493 Opga Package Dimensions

    Table 22 shows the part number 27493 OPGA package dimensions in millimeters assigned to the letters and symbols shown in the 27493 package diagram, Figure 15 on page 51. Table 22. Dimensions for the AMD Athlon™ XP Processor Model 10 Part Number 27493 OPGA Package Minimum...

  • Page 63: Figure 15. Amd Athlon Xp Processor Model 10 Part Number 27493 Opga Package Diagram

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Figure 15. AMD Athlon™ XP Processor Model 10 Part Number 27493 OPGA Package Diagram Chapter 10 Mechanical Data...
  • Page 64 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Mechanical Data Chapter 10...

  • Page 65: Pin Descriptions

    26237C—May 2003 Pin Descriptions This chapter includes pin diagrams of the organic pin grid array (OPGA) for the AMD Athlon™ XP processor model 10, a listing of pin name abbreviations, and a cross-referenced listing of pin locations to signal names.
  • Page 66 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Pin Descriptions Chapter 11...
  • Page 67 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Chapter 11 Pin Descriptions...

  • Page 68: Table 23. Pin Name Abbreviations

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 23. Pin Name Abbreviations Table 23. Pin Name Abbreviations (continued) Abbreviation Full Name Abbreviation Full Name A20M# ANLOG ANALOG AJ13 CLKFR CLKFWDRST AJ21 AG15 CLKIN AN17 AG17...
  • Page 69 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 23. Pin Name Abbreviations (continued) Table 23. Pin Name Abbreviations (continued) Abbreviation Full Name Abbreviation Full Name AJ19 AJ27 AL11 AL25 AL27 AA31 AN11 AC31 AN25 AN27...
  • Page 70 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 23. Pin Name Abbreviations (continued) Table 23. Pin Name Abbreviations (continued) Abbreviation Full Name Abbreviation Full Name SAI#5 SADDIN[5]# AE33 SD#3 SDATA[3]# SAI#6 SADDIN[6]# AJ35 SD#4 SDATA[4]#...
  • Page 71 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 23. Pin Name Abbreviations (continued) Table 23. Pin Name Abbreviations (continued) Abbreviation Full Name Abbreviation Full Name SD#37 SDATA[37]# SDOC#2 SDATAOUTCLK[2]# SD#38 SDATA[38]# SDOC#3 SDATAOUTCLK[3]# SD#39 SDATA[39]#...
  • Page 72 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 23. Pin Name Abbreviations (continued) Table 23. Pin Name Abbreviations (continued) Abbreviation Full Name Abbreviation Full Name CC_CORE CC_CORE CC_CORE CC_CORE CC_CORE CC_CORE CC_CORE CC_CORE CC_CORE CC_CORE...
  • Page 73 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 23. Pin Name Abbreviations (continued) Table 23. Pin Name Abbreviations (continued) Abbreviation Full Name Abbreviation Full Name AK34 CC_CORE AK36 CC_CORE CC_CORE CC_CORE CC_CORE AM10 CC_CORE AM14...
  • Page 74 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 23. Pin Name Abbreviations (continued) Table 23. Pin Name Abbreviations (continued) Abbreviation Full Name Abbreviation Full Name AH36 AK12 AK16 AK20 AK24 AK28 AK32 AM12 AM16 AM20...

  • Page 75: Pin List

    “O” indicates open-drain mode that allows devices to share the pin. Note: The AMD Athlon processor supports push-pull drivers. For more information, see “Push-Pull (PP) Drivers” on page 6. The “P” (Port) column indicates if this signal is an input (I), output (O), or bidirectional (B) signal.

  • Page 76: Table 24. Cross-Reference By Pin Location

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 24. Cross-Reference by Pin Location Table 24. Cross-Reference by Pin Location Name Description Name Description No Pin page 76 CC_CORE SADDOUT[12]# SADDOUT[5]# CC_CORE SADDOUT[3]# SDATA[55]# CC_CORE SDATA[61]#...
  • Page 77 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 24. Cross-Reference by Pin Location (continued) Table 24. Cross-Reference by Pin Location Name Description Name Description NC Pin page 76 SDATA[31]# CC_CORE SDATA[22]# CC_CORE CC_CORE NC Pin...
  • Page 78 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 24. Cross-Reference by Pin Location (continued) Table 24. Cross-Reference by Pin Location Name Description Name Description NC Pin page 76 NC Pin page 76 NC Pin page 76...
  • Page 79 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 24. Cross-Reference by Pin Location (continued) Table 24. Cross-Reference by Pin Location Name Description Name Description PICCLK page 72 PICD#[0] page 72 PICD#[1] page 72 SCANCLK1 page 77...
  • Page 80 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 24. Cross-Reference by Pin Location (continued) Table 24. Cross-Reference by Pin Location Name Description Name Description CC_CORE CC_CORE FID[0] page 74 FID[1] page 74 VREFSYS page 78...
  • Page 81 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 24. Cross-Reference by Pin Location (continued) Table 24. Cross-Reference by Pin Location Name Description Name Description AF30 NC Pin page 76 CC_CORE AF32 NC Pin page 76...
  • Page 82 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 24. Cross-Reference by Pin Location (continued) Table 24. Cross-Reference by Pin Location Name Description Name Description AH16 AH18 CC_CORE AH20 CPU_PRESENCE# page 73 AH22 NC Pin page 76...
  • Page 83 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 24. Cross-Reference by Pin Location (continued) Table 24. Cross-Reference by Pin Location Name Description Name Description AL25 NC Pin page 76 AN11 NC Pin page 76 AL27...

  • Page 84: Detailed Pin Descriptions

    20-bit 8086. AMD Pin AMD Socket A processors do not implement a pin at location AH6. All Socket A designs must have a top plate or cover that blocks this pin location. When the cover plate blocks this location, a non-AMD part (e.g., PGA370) does not fit into the...

  • Page 85: Clkin, Rstclk (Sysclk) Pins

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 CLKIN, RSTCLK Connect CLKIN with RSTCLK and name it SYSCLK. Connect (SYSCLK) Pins CLKIN# with RSTCLK# and name it SYSCLK#. Length match the clocks from the clock generator to the Northbridge and processor.

  • Page 86: Fid[3:0] Pins

    2. BIOS initializes the CLK_Ctl MSR during the POST routine. This CLK_Ctl setting is used with all FID combinations and selects a Halt disconnect divisor and a Stop Grant disconnect divisor. For more information, refer to the AMD Athlon™ and AMD Duron™ Processors BIOS, Software, and Debug Developers Guide, order# 21656.

  • Page 87: Fsb_Sense[1:0] Pins

    (FSB) setting of this processor. Proper detection of the FSB setting requires the implementation of a pull-up resistor on the motherboard. Refer to the AMD Athlon™ Processor-Based Motherboard Design Guide, order# 24363 and the technical note FSB_Sense Auto Detection Circuitry for Desktop Processors, order# TN26673 for more information.

  • Page 88: Intr Pin

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 INTR Pin INTR is an input from the system that causes the processor to start an interrupt acknowledge transaction that fetches the 8-bit interrupt vector and starts execution at that location.

  • Page 89: Saddin[1:0]# And Saddout[1:0]# Pins

    A M D A t h l o n ™ a n d A M D D u r o n ™ S y s t e m B u s Specification, order# 21902. Scan Pins SCANSHIFTEN, SCANCLK1, SCANINTEVAL, and SCANCLK2 are the scan interface. This interface is AMD internal and is tied disabled with pulldown resistors to ground on the motherboard. SMI# Pin SMI# is an input that causes the processor to enter the system management mode.

  • Page 90: Vrefsys Pin

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 The VID codes and corresponding voltage levels are shown in Table 27. Table 27. VID[4:0] Code to Voltage Definition VID[4:0] VID[4:0] CC_CORE CC_CORE 00000 1.850 10000 1.450 00001 1.825...

  • Page 91: Ordering Information

    26237C—May 2003 Ordering Information Standard AMD Athlon™ XP Processor Model 10 Products AMD standard products are available in several operating ranges. The ordering part numbers (OPN) are formed by a combination of the elements, as shown in Figure 18. AXD A...
  • Page 92 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Ordering Information Chapter 12...

  • Page 93: Appendix A Thermal Diode Calculations

    Appendix A Thermal Diode Calculations This section contains information about the calculations for the on-die thermal diode of the AMD Athlon™ XP processor model 10. For electrical information about this thermal diode, see Table 13, “Thermal Diode Electrical Characteristics,” on page 37.

  • Page 94: Temperature Offset Correction

    Temperature sensors that utilize series resistance cancellation can use more than two sourcing currents and are suitable to be used with the AMD thermal diode. Equation (2) is the formula for calculating the temperature of a thermal diode.
  • Page 95 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 The formulas in Equation (3) and Equation (4) can be used to calculate the temperature offset for temperature sensors that do not employ series resistance cancellation. The result is added to the value measured by the temperature sensor.
  • Page 96 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Appendix A - Thermal Diode Calculations...

  • Page 97: Appendix B Conventions And Abbreviations

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Appendix B Conventions and Abbreviations This section contains information about the conventions and abbreviations used in this document. Signals and Bits Active-Low Signals—Signal names containing a pound sign, such as SFILL#, indicate active-Low signals.

  • Page 98: Data Terminology

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Data Terminology The following list defines data terminology: Quantities A word is two bytes (16 bits) • • A doubleword is four bytes (32 bits) A quadword is eight bytes (64 bits) •...

  • Page 99: Abbreviations And Acronyms

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Abbreviations and Acronyms Table 30 contains the definitions of abbreviations used in this document. Table 30. Abbreviations Abbreviation Meaning Ampere Farad Giga- Gbit Gigabit Gbyte Gigabyte Gigahertz Henry...

  • Page 100: Table 31. Acronyms

    Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 30. Abbreviations (continued) Abbreviation Meaning pico- picoampere picofarad picohenry picosecond Second Volt Watt Table 31 contains the definitions of acronyms used in this document. Table 31. Acronyms...
  • Page 101 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 31. Acronyms (continued) Abbreviation Meaning Industry Standard Architecture Instructions Per Cycle JEDEC Joint Electron Device Engineering Council JTAG Joint Test Action Group Large Area Network Least-Recently Used...
  • Page 102 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Table 31. Acronyms (continued) Abbreviation Meaning SRAM Synchronous Random Access Memory SROM Serial Read Only Memory Translation Lookaside Buffer Top of Memory Transistor Transistor Logic Virtual Address Space...

  • Page 103: Related Publications

    These documents provide helpful information about the AMD Athlon™ XP processor model 10, and can be found with o t h e r re l a t e d d o c u m e n t s a t t h e A M D We b s i t e , http://www.amd.com.
  • Page 104 Preliminary Information AMD Athlon™ XP Processor Model 10 Data Sheet 26237C—May 2003 Appendix B - Conventions and Abbreviations...

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