SMSC EVB-EMC1033, EVB-EMC1002 User Manual
EVB-EMC1002/EMC1033 User Manual
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SMSC EMC1002/EMC1033 Revision 1.1 (12-14-06)
1 Overview
The EMC1002 is an SMBus temperature sensing IC with 1 internal and 1 external se nsor in an 8 pin
MSOP package. The EMC1002 has 2 Alert/Therm2 and Addr/Therm outputs that can be configured to
signal when temperatures exceed programmed limits. Resistance Error Correction can eliminate the
affect of series resistance to provide a more accurate temperature reading. This is especially important
for microprocessors, FPGAs, and graphics chips. The EMC1033 is also supported by this evaluation
board (EVB). The EMC1033 has an additional feature, “Anti-Parallel Diode” (APD) support which
allows the connection of two diodes to the EMC1033’s DP/DN inputs in opposite polar ity.
The EVB-EMC1002 and EVB-EMC1033 are USB-based platforms for evaluating the EMC1002/1033.
A block diagram of the EVB is shown in Figure 1.1 below.
LED7
LED6
LED8
P1
SMBus
P6
USB
Mini-B
USB
Activity
Bridge
Activity
USB-
SMBus
Bridge
Vdd
LED1
LED2
JP4
Vdd
SCL
SDA
Alert / Therm2
Addr / Therm
EVB-EMC1002/EMC1033 User Manual
DP
DN
100ohm
EMC1002 /
EMC1033
EMC1033 only
JP1
Fan
Drive
Remote
Diode1
Q2
Q3
Remote
Diode2
P2
Fan
Figure 1.1 EMC1002 / EMC1033 EVB Block Diagram
1.1 Related Documents
The CD included with the evaluation board contains the following documen ts:
n Evaluation Board Checklist
n Bill Of Materials
n Schematic
n Jumper Settings and Connector List
n EMC1002 or EMC1033 Datasheet
n Register Manager Application
n Register Manager Readme.txt
n EMC1002.ini and EMC1033.ini Register Definition File s
Revision 1.1 (12-14-06)
SMSC EMC1002/EMC1033
2
EVB-EMC1002/EMC1033 User Manual
2 Getting Started
2.1 System Requirements
To use the EVB you will need:
n A PC 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 re gister values as well as
graphing temperature history
n USB communication to evaluation board
n Resistive Error Correction can be demonstrated
n LEDs for Alert/Therm2 and Addr/Therm indication as well as USB bridge activity
n Low cost fan control driven by Alert/Therm2 and Addr/Therm outputs
n An external SMBus master may also be used (circuit modifications required)
2.1.2 Board Layout
USB
P6
Figure 2.1 EMC1002 Board Outline and Silkscreen
2.1.3 Installing the EVB
1. Install the RegMan application and device driver on a PC by running Setup.exe from th e RegMan
distribution CD. A revision history and install/uninstall notes may be foun d 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, Bridge ACT,
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.
EMC
1002
EMC1002
Alert/Therm2 and Addr/Therm LEDs
P2
SMSC EMC1002/EMC1033
Revision 1.1 (12-14-06)
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