EVB-EMC1043/1053/1063 User Manual
Contents
1. graphics chips The EVB EMC1043 EVB EMC1053 and EVB EMC1063 are USB based platforms for evaluating the EMC1043 1053 1063 ICs A block diagram of the EVB is shown in Figure 1 1 below Revision 1 1 12 14 06 SMSC EMC1043 1053 1063 EVB EMC1043 1053 1063 User Manual 1 1 X USB Activity LED7 Bridge X Activity LED6 Vdd LED8 Figure 1 1 EMC1043 1053 1063 EVB Block Diagram Related Documents The CD included with the evaluation board contains the following documents n Evaluation Board Checklist n Bill Of Materials n Schematic n Jumper Settings and Connector List n Datasheet n Register Manager Application n Register Manager Readme txt n Register Definition File SMSC EMC1043 1053 1063 er SMST Remote Diode1 Remote Diode2 Revision 1 1 12 14 06 EVB EMC1043 1053 1063 User Manual er SMST 2 Getting Started 2 1 System Requirements To use the EVB you will need n APC running Windows 2000 or XP n Display resolution 800x600 or larger to view several windows simultaneously n An available USB port 2 1 1 Feature Summary n Windows Register Manager application allows viewing and changing register values as well as graphing temperature history n USB communication to evaluation board n Resistive Error Correction can be demonstrated n An external SMBus master may also be used circuit modifications required Revision 1 1 12 14 06 SMSC EMC1043 1053 1063 EVB E2. 0
3. ANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE TITLE AND AGAINST INFRINGEMENT AND THE LIKE AND ANY AND ALL WARRANTIES ARISING FROM ANY COURSE OF DEALING OR USAGE OF TRADE IN NO EVENT SHALL SMSC BE LIABLE FOR ANY DIRECT INCIDENTAL INDIRECT SPECIAL PUNITIVE OR CONSEQUENTIAL DAMAGES OR FOR LOST DATA PROFITS SAVINGS OR REVENUES OF ANY KIND REGARDLESS OF THE FORM OF ACTION WHETHER BASED ON CONTRACT TORT NEGLIGENCE OF SMSC OR OTHERS STRICT LIABILITY BREACH OF WARRANTY OR OTHERWISE WHETHER OR NOT ANY REM EDY OF BUYER IS HELD TO HAVE FAILED OF ITS ESSENTIAL PURPOSE AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES SMSC EMC1043 1053 1063 1 Revision 1 1 12 14 06 EVB EMC1043 1053 1063 User Manual er SMSC 1 Overview The EMC1043 1053 1063 are SMBus temperature sensing ICs with 1 internal and 2 external sensors in an 8 pin MSOP package These 3 ICs are targeted at different applications as described in Table 1 1 Table 1 1 Application Info for Support Temperature Sensors Target Application Designed for CPUs and GPUs which use a substrate PNP transistor for temperature sensing EMC 1043 65 and 90nm process geometries are supported The EMC1043 s default configuration enables Beta Compensation and Resistance Error Correction R E C on both external diodes The EMC1043 5 version defaults to Beta Compensation disabled on external diode 2 EMC1053 The same as EMC1043 except that Be
4. MC1043 1053 1063 User Manual 2 1 2 Board Layout pg VoBAci ACT Brrdge 3 3 FB fmf ofaP i ma je omj _ im O wi waj EE ml m m Re a m 2 JP4 not on silkscreen EMC fam 1043 jam o Jet nh m m Ri o 3 3V E EMC1043 Remotel Peo Figure 2 1 EMC1043 1053 1063 Board Outline and Silkscreen 2 1 3 Installing the EVB 1 Install the Register Manager RegMan application and device driver on a PC by running Setup exe from the RegMan distribution CD A revision history and install uninstall notes may be found in the readme txt file on the disk 2 Connect the supplied USB cable to an available USB port on the PC Plug the mini B end of the USB cable into EVB connector P6 The 3 3V and Bridge ACT LEDs should illuminate After the EVB is connected to the PC the Find New Hardware wizard will pop up for USB driver installation Follow the instructions in the readme txt file to complete the installation process 3 Start the EVB Software by selecting the Register Manager application from the SMSC folder from the Programs Windows Start menu The EVB will initialize and the Register Manager Help screen will appear as in Figure 2 2 The USBAct LED should be blinking when the Register Manager is running Note The Windows Register Manager application allows viewing and changing register values for a variety of EVBs including the EMC1001 EMC1002 EMC1023 EMC1033 and EMC1043 1053 1063 The Regi
5. OP package Communications with the EMC1043 1053 1063 sensors is via the SMBus 3 3 USB to SMBus Bridge The USB to SMBus bridge is based on an 8051 microcontroller with integrated USB and SMBus interfaces as well as internal flash and RAM During EVB manufacture firmware is loaded into the bridge that provides the interface between the SMBus and the USB driver Power is sourced to the MCU from the USB interface 3 4 Remote Diode with Resistance Error Correction R E C Two diode connected 2N3904 transistors are mounted on the EVB labeled Remote1 and Remoted2 The Remote2 diode DP signal path has a series resistor to demonstrate the EMC1043 1053 1063 s R E C feature The resistor may be effectively removed from the circuit by installing a jumper on JP1 See the Jumper Settings and Connection List for details on jumper settings 3 5 Power Source This demo board derives 5V power from the USB port The bridge microcontroller has an internal voltage regulator that supplies 3 3V to the EMC1043 1053 1063 and other EVB circuits 3 6 Direct SMBus Connect Option It is also possible to connect an external SMBus master to the EMC1043 1053 1063 EVB A few modifications to the circuit are required n Cut 3 traces connecting JP4 pins 3 4 5 6 and 7 8 on the bottom side of the PCB This will disconnect the USB bridge from the SMBus The pullup resistors for the SMBus SDA and SCL signals are also disconnected so external pullups will need to be sup
6. new value once the cursor leaves the edit window Read only registers are denoted by R in the RW column and editing of these register values is disallowed Some registers have bit field definitions They are displayed in the lower right pane If the register is not read only i e read write the value of each bit can be edited by double clicking on the bit value in the Last Value column of this pane Type 0 or 1 to change the value follow by Enter The register will be written to with the new value once the edit window closes Use this feature to modify a register one bit at a time If more than one bit must be changed at the same time edit the register value directly from the upper right pane The current values of the registers can be saved to an extemal text file by using the Export feature The saved text file can also be read back to the device by using the Import feature Import only affects read write registers iNuM 4 Figure 2 2 Register Manager Help Screen Revision 1 1 12 14 06 SMSC EMC1043 1053 1063 EVB EMC1043 1053 1063 User Manual er smsc 3 Circuit Description 3 1 Introduction The EMC1043 1053 1063 EVB provides the means to demonstrate EMC1043 1053 1063 features and to view and modify registers LED Indicators and test points are included to show status information 3 2 EMC1043 1053 1063 The EMC1043 1053 1063 is a family of SMBus temperature sensors with 1 internal and 2 external sensors in an 8 pin MS
7. plied by the SMBus Master n Install P1 or JP4 to provide an SMBus connector See the Jumper Settings and Connection List for details n Optionally remove zero ohm resistor R31 When removed the USB to SMBus bridge will not supply 3 3V to the circuitry so power will need to be provided from an external source If R31 is left installed power will be supplied from the USB connector when connected to a computer or USB hub 3 7 Test Points Test points are provided for n Ground n 3 3V power n 5V_USB power SMSC EMC1043 1053 1063 Revision 1 1 12 14 06 EVB EMC1043 1053 1063 User Manual E SMSC 3 8 LED Indicators LEDs indicate the status of the following signals n 3 3V n USB Activity blinking indicates USB traffic n Bridge Activity when ON indicates the Bridge is functioning 3 9 Other Sensor Features Other features such as Ideality Factor Configuration Conversion Rate Dynamic Averaging Hottest of 2 Zones and Standby Mode can be controlled with EMC1043 1053 1063 registers See the datasheet register description for details Revision 1 1 12 14 06 SMSC EMC1043 1053 1063 EVB EMC1043 1053 1063 User Manual er SMST 4 Demo Description 4 1 4 2 Register Manager Overview The Register Manager application RegMan initially displays the main Help screen where detailed description of the application s features may be found The Help screens can be displayed at any time by selecting Help from the men
8. sms SUCCESS BY DESIGN Por ridge y3 Ad sa S u Dls B Rief n mt GND Ja smsc The information contained herein is proprietary to SMSC and shall be used solely in accordance with the agreement pur suant to which it is provided Although the information is believed to be accurate no responsibility is assumed for inaccu racies SMSC reserves the right to make changes to this document and to specifications and product descriptions at any time without notice Neither the provision of this information nor the sale of the described semiconductor devices conveys any licenses under any patent rights or other intellectual property rights of SMSC or others unless specifically specified otherwise The product may contain design defects or errors known as anomalies including but not necessarily limited to any which may be identified in this document which may cause the product to deviate from published specifications SMSC products are not designed intended authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage Any and all such uses without prior written approval of an officer of SMSC will be fully at the risk of the customer SMSC is a registered trademark of Standard Microsystems Corporation SMSC SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED WARR
9. ster Manager software only needs to be installed once to support all of these EVBs The list of supported EVBs may be found in the readme txt file included on the distribution CD The EMC1043 1053 1063 power up with temperature monitoring disabled The monitor can be started by selecting Started in the combo box on the upper left of the Register Manager menu bar Alternately you can start the monitor by clearing bit 6 in the Configuration Register 0x09 SMSC EMC1043 1053 1063 Revision 1 1 12 14 06 EVB EMC1043 1053 1063 User Manual Register Manager File Plot Help els el ale o _ i SwitchTo Register Manager click here for detail information This utility is to allow the user to view and edit SMISC device registers in the Windows environment It also supports the register reading history plotting in order to debug the device see detail page Switch To combo box on the tool bar lists all the SMSC devices on the motherboard the user could switch to any of them Note lt Started gt on the toolbar maps the register 0x40 start bit it has to be set to activate the history plotting Some chips might use different address as a start register To view a group of registers select the appropriate group in the left pane To edit the value of a register double click the value in the Reading Hex column or Reading Dec im the right upper pane Type in the desired value The register will be updated with the
10. ta Compensation is disabled on both diode channels by default R E C is enabled on both channels at power up An ideal solution for AMD CPU thermal diodes the EMC1063 may also be used with 2N3904 EMC1063 diode connected transistors The EMC1063 does not have Beta Compensation or REC features on external diode channel 1 REC is optional for external diode 2 This evaluation board EVB has 2N3904 diode connected transistors installed on the PCB for external diodes 1 and 2 The Beta Compensation function is designed for CPU substrate diodes and is not compatible with diode connected transistors such as the 2N3904 For this reason the EMC1043 default settings are over ridden by the Register Manager s initialization code so that Beta Compensation is disabled If your evaluation process requires connecting the EVB to the thermal diodes on Intel or AMD CPUs you can modify the PCB by removing the 2N3904s and installing the headers P2 and P3 for connection to external diodes over cables Alternately you can order the EVB EMC1043C 1063C which is configured with headers for CPU connection Refer to the schematic SCH 7040_BO pdf for details on EVB circuit options Resistance Error Correction can eliminate the affect of series resistance to provide a more accurate temperature reading Ideality Factor Configuration is available to accomodate remote diodes with a wide range of ideality factors This is especially important for microprocessors FPGAs and
11. tion Register 2 at address 0x04 With R E C enabled the temperature will not change when the jumper is removed and re inserted SMSC EMC1043 1053 1063 Revision 1 1 12 14 06 EVB EMC1043 1053 1063 User Manual er SMSC Note The temperature reported by the EMC1043 may increase by 2 3 C when disabled due to the production trim method The EMC1053 and EMC1063 do not exhibit this behavior Register Manager File Plot Help ce ha A S Started SwitchTo EMC1043 0 Board Ox00 E EMC1043 0 Board 0x Register Name ___ Address Ryw Rescate Reading Dec 0 Temperature Status Register 02 1 Configuration Configuration Register Read 03 Configuration Register 04 Configuration Register Write 09 One Shot Command OF Ideality1 factor 27 Ideality factor 28 Betal factor 29 Beta factor 2A Product ID ED Company ID FE Version Stepping FF lt RES Bit RES Bit 6 RES Bit 5 RES Bit 4 MAX RES Bit 3 DA N Bit 2 COMP Bit 1 REC Bit 0 mC OFC COS Write 0x08 to offset 0x04 OK Figure 4 2 Configuration Register Write to Disable R E C 4 4 Ideality Factor Correction The Ideality Factor can be adjusted in Ideality Factor Registers 0x27 and 0x28 These registers will normally hold the default value which is correct for the diodes installed on the EVB Increasing or decreasing the value will cause a corresponding change in the temperature reading Revision 1 1 12 14 06 SMSC EMC1043 1053 1063 1
12. ubar or pressing the button on the toolbar RegMan enables the user to display temperature readings set temperature limits and read write configuration register values Temperature History Graph To open a Temperature History Graph window select Plot gt Temperature History Plot from the menubar The history plot continuously updates the temperature reported by the temp sensor There are several display options including which temperatures to display internal external external2 whether limits should be displayed and if so for which temp sensor See a typical Temperature History Graph in Figure 4 1 below EMC1043 Zone Temperature History Max 127 IM Internal IM Remote IM Remote Last Value OOH 24 C 01H 30 C FSH 36 C Clear All Check All Figure 4 1 EMC1043 Temperature History Graph 4 3 Resistance Error Correction R E C R E C is normally enabled in EMC1043 and EMC1053 and is optionial for external diode 2 on th EMC1063 This feature may be disabled for demonstration purposes by writing a 0 to bit O of Configuration Register 2 at address 0x04 This operation is illustrated in Figure 4 2 To show the R E C feature remove the jumper on JP1 pins 1 2 This will insert a 100 ohm series resistor into the circuit and cause a temperature reading error of approximately 60 C Replace the jumper and the temperature will return to its correct reading Now enable R E C by writing a 1 to bit 0 of Configura
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