SMSC EVB-EMC2101 User Manual

Environmental monitoring device

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EVB-EMC2101 User Manual
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 WARRANTIES 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 EMC2101
1
Revision 1.5 (12-13-06)

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Summary of Contents for SMSC EVB-EMC2101

  • Page 1 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”).
  • Page 2: Related Documents

    Configuration mode, the device automatically queries the SMBus for an EEPROM device and uploads configuration information from the EEPROM into its internal registers. All of the modes and functions of the EMC2101 can be tested and observed with the EVB-EMC2101. The EVB-EMC2101 is a USB-based platform for evaluating both EMC2101 packages (8-MSOP and 8-SOIC).
  • Page 3: Getting Started

    Follow the instructions in the readme.txt file to complete the installation process. 3. Start the EVB Software by selecting the Chip Manager application from the SMSC folder from the Programs Windows Start menu. The EVB will initialize and the Chip Manager Quick Help screen...
  • Page 4 EVB-EMC2101 User Manual Figure 2.1 Chip Manager Quick Help Startup Screen Revision 1.5 (12-13-06) SMSC EMC2101...
  • Page 5 EVB-EMC2101 User Manual Figure 2.2 Chip Manager Help Screen SMSC EMC2101 Revision 1.5 (12-13-06)
  • Page 6: Board Layout

    EVB-EMC2101 User Manual Board Layout The EVB was designed for ease of use and user experimentation with easily accessible jumpers and access to the SMBus data lines. Figure 2.3 below shows the silk-screen for the EMC2101 EVB. Figure 2.3 EMC2101 Board Outline and Silk-screen Revision 1.5 (12-13-06)
  • Page 7: Hardware Description

    EVB-EMC2101 User Manual 3 Hardware Description Introduction The EMC2101 EVB provides the means to demonstrate EMC2101 features and to view and modify registers. A +12V fan and power supply are provided to demonstrate the fan control functionality. LEDs indicate status information and test points are included to monitor system voltages with a user provided voltmeter or oscilloscope.
  • Page 8: Power Source

    Test point TP3, 8, 10, or 11 provides a ground connection. Consult the CPU manufacturer’s datasheet for guidance on interfacing to the thermal diode. Refer to the schematic EVB-EMC2101 SCH-7069-REVB1.pdf for details on the EVB header connections. Resistance Error Correction (REC) The remote diode DN signal path has a 100 ohm series resistor to demonstrate the EMC2101’s REC...
  • Page 9: Led Indicators

    EVB-EMC2101 User Manual LED Indicators LEDs indicate the status of the following signals SIGNAL LED1 ALERT LED2 +3.3V LED3 Bridge Activity LED4 USB Activity NO Activity on USB port LED5 EMC2101 Power LED6 EMC2101-R Power Jumper Settings This EVB has many jumper configurations to evaluate all of the features of the EMC2101.
  • Page 10 / DP remote + / DP open short / DP remote + / DP open EVB-EMC2101 User Manual SHORT Q11 - 0 ohms in DN line (diode remote -) Q12 - 0 ohms in DN line (diode remote -) Table 3.5).
  • Page 11 EVB-EMC2101 User Manual NOTE: Only one jumper is to be installed on JP11 and a minimum of one jumper must be installed for the device to operate. Table 3.6 ALERT Pull-up Resistors - SMBus/FAN MODE JUMPER JP11 3.10 Other Sensor Features Other features such as Ideality Factor Configuration, Conversion Rate, Digital Filtering, Look-up Table Functionality, and Standby Mode can be controlled with EMC2101 registers.
  • Page 12: Software Description

    EMC2101. external diode starting at room temp and then being heated using the HEATER jumper (JP2). Figure 4.1 EMC2101 Temperature History Graph Revision 1.5 (12-13-06) EVB-EMC2101 User Manual Figure 4.1below is a typical Temperature History with the SMSC EMC2101...

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