资料介绍
Thank you for purchasing the TC74 Serial Temperature Sensor Demo Board from
Microchip Technology Inc. The TC74 Demo Board is an evaluation and demonstration
board specifically designed to support Microchip’s TC74, a 2-wire serial temperature
sensor. Communication with the TC74 is accomplished with a PC running the
communication software.
The evaluation board and software for the TC74 have been designed specifically for
use with a PC running Windows
®
95 and an available parallel port.
The TC74 Demo Board has the following features:
1. A TC74A5-5.0VCT device.
2. Parallel port for power and communication.
3. 3/4” x 2 1/2” circuit board allows “real-world” evaluation and design.
4. Footprint for temperature-to-voltage IC.
5. Printer port connector (female).
6. Unpopulated holes for pull-up resistors.
7. Unpopulated holes for thermistor (comparative evaluation). TC74 Serial Temperature Sensor
Demo Board User’s Guide
2002 Microchip Technology Inc. DS51303A
Note the following details of the code protection feature on Microchip devices:
Microchip products meet the specification contained in their particular Microchip Data Sheet.
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowl-
edge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data
Sheets. Most likely, the person doing so is engage
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