DLP-232PC DLP Design

DLP-232PC DLP-232PC LEAD-FREE MINIATURE USB - MICROCONTROLLER MODULE MOSFET Power 5V Switch PWREN VCCIO 18-pin, 0.3-inch 4th Gen USB IC 5V USB Type B Interface Mini Connector VCC Header USBDP TXD to Host 460,800 for I/Os USBDM Windows/Linux/ BAUD RXD Mac PC PIC 18F2410 CBUS0 24MHz Clock FTDI FT232R Applications: Features: - Data Acquisition - 14 Channels: Digital I/O, Temperature, 8 - Industrial/Process Configurable for Analog In (0-5 Volts) Control - PIC18F2410 Microcontroller - Process Monitoring - USB Port Powered - USB 1.1 and 2.0 Compatible Interface - Small Footprint: 1.375 x 0.6 Inch PCB - Standard 18-Pin 0.3-Inch DIP Interface - Easy to Use with Single-Byte Commands Can Utilize a Simple Terminal Emulator to Control All Functions Rev. 1.2 (July 2007) 1 DLP Design, Inc. 1.0 INTRODUCTION The DLP-232PC Data Acquisition Module is a low-cost, easy-to-use data acquisition module for measuring voltages, controlling and monitoring processes, and acquiring temperature data. Each of the 14 available channels can be configured for digital I/O or temperature modes via single-byte commands. Eight of the 14 channels can be configured to measure analog voltages in the range of 0-5 volts. All operational power is taken from the host PC via the USB port. The mode of each I/O is automatically changed with each command sent. For example, if an I/O is set to Digital Output High and then the Digital Input Mode is selected, the I/O is first changed to Input Mode and then the high/low state is read and returned to the host. The programming interface (ICSP) is available for custom firmware development. 2.0 SPECIFICATIONS The DLP-232PC is a 5-volt system that derives its power from the host USB port. Each channel has the following capabilities: Digital Output: Set high, or clear to low. (The actual high/low voltage depends upon sink/source current.) Digital Input: Read the high/low state. Analog In: (Channels 1-8 only) read and return the voltage on each I/O pin using a 10-bit A/D (0-5 volt range, accuracy based on 5-volt USB Host supply voltage). Temperature: Measure temperature using a digital temperature sensor (purchased separately) in the range of 67 to 257F (-55 to 125C). 3.0 ABSOLUTE MAXIMUM RATINGS Stresses above those listed here may cause permanent damage to the DLP-232PC: Operating Temperature: 0-70C Voltage on I/Os with Respect to Ground: -0.3V to +5.3V Sink/Source Current on Any I/O: 25mA 4.0 WARNINGS Unplug from the host PC before connecting to the DLP-232PC. Observe static precautions to prevent damage to the DLP-232PC module. Rev. 1.2 (July 2007) 2 DLP Design, Inc.