TC74DEMO Microchip Technology, TC74DEMO Datasheet - Page 10

• Manufacturer Part Number: TC74DEMO
• Description: DEMO BOARD FOR TC74 THERML SENSR
• Manufacturer: Microchip Technology

Specifications of TC74DEMO

• Processor To Be Evaluated: TC74
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

TC74 Serial Temperature Sensor Demo Board User’s Guide
DS51303A-page 6
2.1.1.1
The file menu offers the following commands:
1. Save
2. Save As
3. Exit
4. File Save / File Save As
5. Exit Command
Shortcuts:
Mouse: Double-click the application’s control menu button.
Keys: ALT+ F4
2.1.1.2
The LPT Port menu is used to specify the address of the parallel port to which the TC74
board is connected. The three most common addresses are shown as menu selections.
The currently selected port is also stored in the system registry and automatically resets
when the software is restarted.
0X378
0X278
0X278
2.1.1.2.1
If the parallel printer port address is not displayed in the menu, use the Custom option to
set the address. Enter three hexadecimal characters. Do not preface the number with
any extra formatting characters. Use extreme caution. If the address is set incorrectly, it
may be necessary to reboot the computer. It is not recommended that this address be set
arbitrarily.
2.1.1.2.2
1. Double click the My Computer icon on your desktop.
2. Open the Control Panel and then double click the System icon.
3. Click on the Device Manager tab.
4. Expand the Ports (COM & LPT) entry by double clicking it.
5. Highlight the correct LPT port and then click the Properties button.
6. Click on the Resources tab.
7. Make a note of the Setting for the Input/Output Range. The first number in that
2.1.1.3
The SMBus™ address of the TC74 chip must be set by selecting the appropriate
address from the menu options. The SMBus address is also stored in the system reg-
istry and reset whenever the software is restarted. The SMBus address is not config-
urable on the evaluation board but is a factory programmable option. The software
defaults to the standard SMBus address used by the TC74 silicon.
Saves the current group of temperature samples to a file.
Saves the current group of temperature samples to a user supplied file name.
Exits the TC74 software.
Use this command to save the current group of temperature readings to a file.
Use this command to end your TC74 session. You can also use the Close
command on the application’s control menu.
range is the address of the port.
Set the LPT port address to 0X378.
Set the LPT port address to 0X278.
Set the LPT port address to 0X278.
FILE MENU COMMANDS
LPT PORT MENU COMMANDS
SMBus™ BUS ADDRESS
Custom Command
How to find the LPT Port Address
2002 Microchip Technology Inc.