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SMSC EVB-EMC2101 manual

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Table of contents for the manual

  • Page 1

    SMSC EMC2101 1 Revision 1.5 (12-13-06) The information conta ined herein is proprietary to SMSC, and s hall be used solely in accordance with the agreement pur- suant to which it is provided. Although t he information is be lieved to be accurate, no responsibility is assumed for inaccu- racies. SMSC reserves the right to make cha nges to this docum[...]

  • Page 2

    EVB-EMC2101 User Manual Revision 1.5 (12-13-06) SMSC EMC2101 2 1 Overview The EMC2101 is an environ mental monitoring device with a selectable PWM or DAC fan d river output, one external temp erature monitoring ch annel and one internal temperature monitor . It contains advanced circuitry to remove errors induced by series resistance and CPU therma[...]

  • Page 3

    EVB-EMC2101 User Manual SMSC EMC2101 Revision 1.5 (12-13-06) 3 2 Getting S t arted 2.1 System Requirement s T o use the EVB you will need: n A PC running Windows 2000 or XP n Display resolution 800x60 0 (or larger to view severa l windows simultaneously) n An available USB port 2.2 Feature Summary n Chip Manager (SMSC application) all ows viewing a[...]

  • Page 4

    EVB-EMC2101 User Manual Revision 1.5 (12-13-06) SMSC EMC2101 4 Figure 2.1 Chip Manager Quic k Help St artup Scree n[...]

  • Page 5

    EVB-EMC2101 User Manual SMSC EMC2101 Revision 1.5 (12-13-06) 5 Figure 2.2 Chip Manager Help Screen[...]

  • Page 6

    EVB-EMC2101 User Manual Revision 1.5 (12-13-06) SMSC EMC2101 6 2.4 Board Layout The EVB was designed for ease of use and user ex perimentation with easily accessible jumper s and access to the SMBus data lines. Figure 2.3 below shows the silk-screen for the EMC2101 EVB. Figure 2.3 EMC2101 Boar d Outline and Silk-scre en[...]

  • Page 7

    EVB-EMC2101 User Manual SMSC EMC2101 Revision 1.5 (12-13-06) 7 3 Hardware Description 3.1 Introduction The EMC2101 EVB provides the mean s to demonstrate EMC2101 feat ures and to view and modify registers. A +12V fan and power supply are provided to demonstrate the fan control functiona lity . LEDs indicate status information and test points are in[...]

  • Page 8

    EVB-EMC2101 User Manual Revision 1.5 (12-13-06) SMSC EMC2101 8 3.2 EMC2101 The EMC2101 is an SMBus temperature sensor with 1 internal and 1 externa l sensor in an 8 pin MSOP and 8 pin SOIC package. Communications with the EMC2101 sensor is via the SMBus. 3.3 USB to SMBus Bridge The USB to SMBus bridge is based on an 8051 mi cro controller with inte[...]

  • Page 9

    EVB-EMC2101 User Manual SMSC EMC2101 Revision 1.5 (12-13-06) 9 3.8 LED Indicators LEDs indicate the status of the following signals ( Ta b l e 3 . 1 ). 3.9 Jumper Settings This EVB has many jumper configurations to ev aluate all of the feat ures of the EMC2101. 3.9.1 Device Power T o enable one of the 2 de vices on the EVB, use jumpers J2 and J3. W[...]

  • Page 10

    EVB-EMC2101 User Manual Revision 1.5 (12-13-06) SMSC EMC2101 10 3.9.3 Remote Diode The remote di ode on board the EMC2101 EVB has a heater and an optional in-line series resistance adjustment. Checking the REC fea ture of the EMC 2101 is acco mplished by removing the jumper on JP7. This adds 100 ohms o f series resistance to the DN li ne of the dio[...]

  • Page 11

    EVB-EMC2101 User Manual SMSC EMC2101 Revision 1.5 (12-13-06) 11 NOTE: Only one jumper is to be installed on JP1 1 and a minimum of on e jumper must be installed for the device to operate. 3.10 Other Sensor Features Other features such as Ide ality Fa ctor Configuration , Conversion Rate, Digi tal Filtering, Look-up T able Functionality , and S tand[...]

  • Page 12

    EVB-EMC2101 User Manual Revision 1.5 (12-13-06) SMSC EMC2101 12 4 Sof tware Description 4.1 Chip Manager Overview The Chip Manager app lication (ChipMan) ini tially displays the main Help screen, where det ailed description of th e application’s features may be f ound. The He lp screens can be disp layed at any time by selecting Help from the men[...]