SWITCH USB Click here for production status of specific part numbers. Evaluates: MAX22515 MAX22515 Evaluation Kit General Description Quick Start The MAX22515 evaluation kit (EV kit) consists of the Recommended Equipment evaluation board and software. The EV kit is a fully assembled MAX22515 EV kit (USB-A-to-micro-B cable included) and tested circuit board that evaluates the MAX22515 User-supplied Windows 10 PC with a spare USB port IO-Link dual-channel device transceiver. 24V, 1A DC power supply The EV kit includes Windows -compatible software that provides a graphical user interface (GUI) for exercising Multimeter/voltmeter the features of the MAX22515. The EV kit is connected to Note: In the following sections, software-related items are a PC through a USB-A-to-micro-B cable. identified by bolding. Text in bold refers to items directly from the EV kit software. Text in bold and underlined Features refers to items from the Windows operating system. IO-Link-Compliant Device Transceiver Procedure 2 I/O and I C Interface Terminals The EV kit is fully assembled and tested. Follow the steps Arduino Compatible Connector below to verify board operation before exercising the full Windows 10-Compatible Software features of the device: USB-PC Connection 1) Visit www.maximintegrated.com/evkitsoftware to download the latest version of the EV kit software, Proven PCB Layout MAX22513 5EVKITSetupVx.xx.ZIP. Save the EV kit soft- Fully Assembled and Tested ware to a temporary folder and uncompress the ZIP file. 2) Install the EV kit software and USB driver on your Ordering Information appears at end of data sheet. computer by running the MAX22513 5EVKITSetupVx. xx.EXE program inside the temporary folder. The program files are copied to your PC and icons are Arduino is a registered trademark of Arduino, LLC. created in the Windows Start Programs Maxim Integrated menu. During software installation, some IO-Link is a registered trademark of Profibus User Organization (PNO). versions of Windows can show a warning message Windows is registered trademark and registered service mark of indicating that this software is from an unknown Microsoft Corporation. publisher. This is not an error condition and it is safe to proceed with installation. Administrator privileges are required to install the USB device driver on Windows. MAX22515 EV Kit Block Diagram POWER SUPPLY BARREL CONNECTORS I/O TEST POINTS VL SELE CT ARDUINO HEADERS MAX 22515 MAX 32660 FTDI 2 USB-to-UART UART-to-I C 2 MODE I C AND I/O SELE CT EN/POK M12 CONNECTOR SIGNALS ARDUINO HEADERS 319-100448 Rev 0 10/19Evaluates: MAX22515 MAX22515 Evaluation Kit 3) Verify that all the jumpers are in their default in the I/O Pins box stating Interrupt Received (Figure 2). positions, as shown in Table 1. Read the INTERRUPT register to clear the interrupt and deassert WU/IRQ. 4) Connect the 24V DC power supply to the V (TP6) 24 and GND (TP7) barrel connectors or to the V 24 When a wake-up event is detected, and the WUINT is (TP1) and GND (TP9) test points on the EV kit board. not masked in the INTERRUPT register (WUM = 0), the 5) Connect the USB cable from the PC to the EV kit board. wake-up interrupt bit is set in the INTERRUPT register and A Windows message appears when connecting the EV a yellow tag appears in the I/O Pins box stating Wak-Up kit. Received. WU/IRQ also asserts. Read the INTERRUPT register to clear the interrupt and deassert WU/IRQ. the 6) Start the EV kit software by opening its icon in the Windows Start Programs Maxim Integrated green box next to WU flashes orange briefly and then turns green again. menu. The EV kit software main window appears, as shown in Figure 1. Detailed Description of Hardware 7) Verify that Status: MAX32660 Connected, The MAX22515 EV kit includes the MAX22515 dual-channel MAX22515 ADR = 0x68 is displayed on the status IO-Link transceiver and the external components for bar at the bottom left of the main window (Figure 2). 2 evaluating the device. The EV kit is configured for I C 8) Click on the Include Interrupt Register box to include operation by default. All logic-level I/Os and IO-Link the INTERRUPT register in serial interface reads. capable I/Os are available on yellow test points. Click on the Read All button to read all of the registers in the device. Logic-Level Power Supply 9) Select a register in the top register table to access The MAX22515 features an internal 3.3V linear regulator the bits in that register. which can drive loads up to 50mA. Set V = 3.3V on the L 10) Set the individual bits for that register by selecting J6 jumper to set the logic level supply (V ) for the I/O pins. L available settings from the drop-down menu for each To use a different logic-level voltage supply, open the J6 bit in the lower register table. jumper and apply the external supply to the V pin on L 11) Press the Write Modified button on the GUI to the J6 jumper. Ensure that V does not exceed 3.3V to L write the registers that have been changed to the protect the MAX32660. MAX22515. Selecting the Device Address 2 The MAX22515 includes one address pin for I C addressing, Detailed Description of Software 2 allowing up to two devices on a single bus. Set the I C Configuring the Registers address for the MAX22515 on the MAX22515EVKIT by set- Click on a register name in the top register table to access ting the A0/CLKEN jumper (J8). Click the Rescan I2C Adr the individual bits in that register. When the register name button after the address has been changed to reestablish is selected in the register table, the lower register table 2 I C communication. shows the individual bits for that register. Click on the drop- 2 Using I C Interface with an External Master down menu next to each bit in the lower table to select the Controller bit setting. When all of the bits are set as desired, click on the Write Modified button to write the changed bit settings The MAX22515 EV kit includes an isolated USB-to-serial 2 to the MAX22515 over the I C interface. interface circuit for communication with the PC/GUI, and 2 is configured to operate with the I C serial interface when Note that full IO-Link communication is not available using using the on-board FTDI converter and Maxim MAX32660 the EV kit GUI. microcontroller. Arduino headers are available to use the I/O Pin Control board with an external controller. The IO-Link UART I/Os (TXEN, TX, RX, LI) and notification 2 To use an external I C controller with the MAX22515, interrupt (WU/IRQ) can be controlled and read on the open all the switches on SW1 (set all switches to the left) MAX22515 EV kit GUI. Click on the toggle buttons next to and connect the external controller to the P5, P6, P7, and TXEN, TX, and LI to set these pins on the EV kit board to P8 headers. high (V ) or low (GND). L When an interrupt is triggered, a bit in the INTERRUPT register is set and WU/IRQ asserts low. A yellow tag appears Maxim Integrated 2 www.maximintegrated.com