EVB-EMC2101 User Manual
Revision 1.5 (12-13-06)
SMSC EMC2101
4
Figure 2.1 Chip Manager Quick Help Startup Screen
Страница 1: ... 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 INC...
Страница 2: ...ly the EMC2101 R has two configuration modes and two default fan settings based on the value of the pull up resistor on the ALERT pin In the Manual Configuration Mode the device acts as an SMBus client slave and waits to be configured by the system SMBus master In the Automatic Configuration mode the device automatically queries the SMBus for an EEPROM device and uploads configuration information ...
Страница 3: ... 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 So...
Страница 4: ...EVB EMC2101 User Manual Revision 1 5 12 13 06 SMSC EMC2101 4 Figure 2 1 Chip Manager Quick Help Startup Screen ...
Страница 5: ...EVB EMC2101 User Manual SMSC EMC2101 Revision 1 5 12 13 06 5 Figure 2 2 Chip Manager Help Screen ...
Страница 6: ...01 6 2 4 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 ...
Страница 7: ...te 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 Figure 3 1shows an overview of the EMC2101 EVB Figure 3 1 EVB Block Diagram ...
Страница 8: ... connection 3 4 Connecting to Remote Diodes This EVB is populated with jumpers to connect to an external diode or CPU GPU If connecting to a CPU s thermal diode it is necessary to provide a common ground Also it is usually necessary to bias the appropriate CPU Vcc plane above this common ground to avoid forward biasing the ESD diodes with the temperature sensor signals Test point TP3 8 10 or 11 pr...
Страница 9: ...ed from pin 1 2 If the linear DAC mode is desired several things need configured First JP8 must be shorted from pin 2 3 and the fan must be connected to FAN CONN 2 Then the device must be configured for linear operation via the ChipMan software Consult the datasheet for these settings Table 3 3 Table 3 1 LED Status Indicators LED SIGNAL OFF GREEN RED LED1 ALERT 3 3V power OFF No ALERT ALERT LED2 3...
Страница 10: ...o ensure that the remote diode is properly biased according to the diode manufacture A unique feature of the EMC2101 R device is the ability to start in one of several different configurations based on the pull up resistor on the ALERT output The EVB allows the user to quickly evaluate each of the 4 configurations by adjusting JP11 as shown in Table 3 6 When using the auto load via EEPROM ensure t...
Страница 11: ... Conversion Rate Digital Filtering Look up Table Functionality and Standby Mode can be controlled with EMC2101 registers See the datasheet register description for details Table 3 6 ALERT Pull up Resistors SMBus FAN MODE JUMPER NAME OPEN SHORT JP11 33k NA Auto load via EEPROM Initial FAN 0 Duty Cycle 18k NA Auto load via EEPROM Initial FAN 100 Duty Cycle 10k NA Host load via SMBus initial FAN 0 Du...
Страница 12: ...ure limits and read write configuration register values 4 2 Temperature Register History Graph To open a Temperature or Register History Graph window select the register or registers to plot in the ChipMan application then select Options Plot Register Data from the menu bar Once the graph appears select Control Start to begin plotting data The history plot continuously updates the register data re...