Evaluates: MAX14820/MAX14821 MAX14820 Evaluation Kit General Description Features The MAX14820 evaluation kit (EV kit) consists of a IO-Link-Compliant Device Transceiver MAX14820 evaluation board and software. The EV kit is a IO and SPI Interface Terminals fully assembled and tested circuit board that evaluates the Windows XP, Windows Vista, and Windows MAX14820 and MAX14821 IO-Link device transceivers. 7-Compatible Software The EV kit includes Windows XP , Windows Vista , and USB-PC Connection (Cable Included) Windows 7-compatible software that provides a graphi- Proven PCB Layout cal user interface (GUI) for exercising the features of the two devices. The EV kit is connected to a PC through a Fully Assembled and Tested USB A-to-B cable. Ordering Information appears at end of data sheet. IO-Link is a registered trademark of ifm electronic GmbH. Windows, Windows XP, and Windows Vista are registered trademarks of Microsoft Corp. SPI is a trademark of Motorola, Inc. 19-5907 Rev 1 3/15MAX14820 Evaluation Kit Evaluates: MAX14820/MAX14821 6) Start the EV kit software by opening its icon in the Quick Start Windows Start Programs menu. The EV kit software Recommended Equipment main window appears, as shown in Figure 1. MAX14820 EV kit (USB A-to-B cable included) 7) Verify that Hardware: Connected is displayed on the User-supplied Windows XP, Windows Vista, or status bar at the bottom of the main window. Windows 7 PC with a spare USB port 8) Press the Read or Write buttons on the GUI to access 24V, 100mA DC power supply the device SPI registers. Note: In the following sections, software-related items are Detailed Description of Software identified by bolding. Text in bold refers to items directly The main window of the evaluation software (Figure 1) from the EV kit software. Text in bold and underlined displays the SPI registers and the device pins that are refers to items from the Windows operating system. connected to the on-board MAXQ2000 microcontroller. Procedure The user can send read or write SPI commands to the The EV kit is fully assembled and tested. Follow the steps device, configure the logic levels of the device input pins, below to verify board operation before exercising the full and read back the logic levels of the device output pins. features of the device: To read an SPI register or an output pin logic level, press 1) Visit www.maximintegrated.com/evkitsoftware to the Read button. download the latest version of the EV kit software, To configure an SPI register or an input pin logic level, 14820Rxx.ZIP. Save the EV kit software to a tempo- first click on the desired radio button(s), and then press rary folder and uncompress the ZIP file. the Write button. 2) Install the EV kit software and USB driver on your The software also automatically monitors the presence of computer by running the INSTALL.EXE program inside the wake-up pulse on the WU pin and displays the result the temporary folder. The program files are copied to on the GUI. your PC and icons are created in the Windows Start The user can also change the SPI clock speed by clicking Programs menu. During software installation, some on the desired SPI Clock Speed radio button. versions of Windows may show a warning message indicating that this software is from an unknown pub- Advanced User Interface lisher. This is not an error condition and it is safe to There are two methods for communicating with the proceed with installation. Administrator privileges are device. The first is through the window shown in Figure 1. required to install the USB device driver on Windows. The second is through the Advanced User Interface win- 3) Verify that all the jumpers are in their default positions, dow shown in Figure 2. The Advanced User Interface as shown in Table 1. window becomes available by selecting the Options Interface (Advanced User) menu item and allows execu- 4) Connect the 24V DC power supply on the VCC and GND connectors on the EV kit board. tion of serial commands manually. 5) Connect the USB cable from the PC to the EV kit The Advanced User Interface window can also be used as a debug tool because it is capable of manually reading board. A Windows message appears when connect- ing the EV kit board to the PC for the first time. Each and writing to every register and logic pin of the device. version of Windows has a slightly different message. If you see a Windows message stating ready to use, then proceed to the next step. Otherwise, open the USB Driver Help 200.PDF document in the Windows Start Programs menu to verify that the USB driver was installed successfully. Maxim Integrated 2 www.maximintegrated.com