Evaluate: MAX7322 19-0755 Rev 0 2/07 MAX7322 Evaluation Kit/Evaluation System General Description Features The MAX7322 evaluation kit (EV kit) is a fully assembled 2 400kHz I C/2-Wire Serial Interface and tested printed circuit board (PCB) that demon- 2 1.71V to 5.5V Operation Voltage strates the capabilities of the MAX7322 I C port expander with four push-pull outputs and four inputs. 4 Push-Pull Output Ports Rated at 20mA Sink The MAX7322 EV kit also includes Windows 98SE/ Current 2000/XP-compatible software, which provides a simple graphical user interface (GUI) for exercising the 4 Input Ports with Maskable, Latching Transition MAX7322s features. Detection The MAX7322 evaluation system (EV system) includes Proven PCB Layout a MAX7322 EV kit and a Maxim CMAXQUSB serial- Windows 98SE/2000/XP-Compatible Evaluation interface board. Software The CMAXQUSB board connects to a PCs USB port 2 and allows the transfer of I C commands to the Fully Assembled and Tested MAX7322 EV kit. EV System: USB-to-PC Connection The EV kit comes with the MAX7322ATE+ installed. The MAX7322 EV kit can also be used to evaluate the Ordering Information MAX7319/MAX7320/MAX7321/MAX7323. Contact the PART TYPE INTERFACE factory for free samples of the pin-compatible 2 MAX7319ATE+, MAX7320ATE+, MAX7321ATE+, or User-supplied I C MAX7322EVKIT+ EV kit MAX7323ATE+ to evaluate these parts. interface M A X73 2 2 EVCM A XQU + EV system CMAXQUSB board Windows is a registered trademark of Microsoft Corp. +Denotes a lead-free and RoHS-compliant EV kit. Note: The MAX7322 EV kit software is designed for use with the complete EV system. The EV system includes both the Maxim CMAXQUSB board and the EV kit. If the Windows software will not be used, the EV kit board can be purchased without the Maxim CMAXQUSB board. Component Lists MAX7322 EV System DESIGNATION QTY DESCRIPTION PART QTY DESCRIPTION D5, D6 0 Not installed, LEDs (PLCC2) MAX7322EVKIT+ 1 MAX7322 EV kit J1 1 2 x 10 right-angle female receptacle JU1, JU2 2 5-pin headers CMAXQUSB+ 1 Serial-interface board JU3 1 2-pin header MAX7322 EV Kit JU4 1 3-pin header DESIGNATION QTY DESCRIPTION R1, R3 2 150 5% resistors (0603) R2, R4 2 82 5% resistors (0603) 10F 10%, 10V X5R ceramic C1 1 capacitor (0805) R5, R6, R9 3 10k 5% resistors (0603) TDK C2012X5R1A106K R7, R8, R10, 0 Not installed, resistors (0603) R11 0.1F 15%, 25V X7R ceramic C2 1 capacitor (0603) R12 1 2k 5% resistor (0603) TDK C1608X7R1E104K S1, S2 2 Pushbutton switches S3, S4 0 Not installed, pushbutton switches Red LEDs (PLCC4) D1, D3 2 OPTEK OVSASBC2R8 M AX 7322ATE+ ( 16-p i n TQFN, 3 mm x U1 1 3mm ) Green LEDs (PLCC4) D2, D4 2 OPTEK OVSAGBC2R8 1 PCB: MAX7322 Evaluation Kit+ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX7322 Evaluation Kit/Evaluation System 4) For the MAX7322 EV kit, make sure that the shunts Component Suppliers of all jumpers are in the following default positions: SUPPLIER PHONE WEBSITE 2 JU1: (1-3) Combined with JU2 makes I C OPTEK address = 0xC0 800-341-4747 www.optekinc.com Technologies 2 JU2: (1-4) Combined with JU1 makes I C TDK Corp. 847-803-6100 www.component.tdk.com address = 0xC0 Note: Indicate that you are using the MAX7322 when contacting JU3: (Open) Normal operation these component suppliers. JU4: (2-3) CMAXQUSB provides the power supply 5) Connect the boards by aligning the MAX7322 EV Quick Start kits 20-pin connector with the 20-pin connector of the CMAXQUSB board. Recommended Equipment 6) Connect the USB cable from the PC to the CMAX- MAX7322 EV system QUSB board. A Building Driver Database window MAX7322 EV kit pops up, in addition to a New Hardware Found mes- CMAXQUSB board sage if this is the first time it is used on this PC. If you USB type A-B cable (included with CMAXQUSB) do not see a window that is similar to the one A user-supplied computer running Windows described above after 30s, remove the USB cable 98SE/2000/XP with a spare USB port from the CMAXQUSB and reconnect it. Administrator Note: In the following sections, software-related items privileges are required to install the USB device driver are identified by bolding. Text in bold refers to items on Windows 2000/XP. Refer to the TROUBLESHOOT- directly from the EV kit software. Text in bold and ING USB.PDF document included with the software if underlined refers to items from the Windows you have any problems during this step. 98SE/2000/XP operating system. 7) Follow the directions of the Add New Hardware Wizard to install the USB device driver. Choose the Procedure Search for the best driver for your device option. The MAX7322 EV kit is fully assembled and tested. Specify the location of the device driver to be Follow the steps below to verify board operation: C: Program Files MAX7322 (default installation 1) Visit the Maxim website (www.maxim-ic.com/evkit- directory) using the Browse button. software) to download the latest version of the EV 8) Start the MAX7322 EV kit software by opening its kit software, 7322Rxx.ZIP. icon in the Start menu. The GUI main window 2) Install the MAX7322 evaluation software on your appears, as shown in Figure 1. computer by running the INSTALL.EXE program. 9) Check or uncheck checkboxes D0 and/or D1 above The program files are copied and icons are created the Write button. Press the Write button and in the Windows Start menu. observe the light change of the LEDs on the EV kit 2 3) Enable the I C pullup resistors on the CMAXQUSB board. board by setting the DIP switches on SW1 to the ON position. MAX7322 EV Kit Files INSTALL.EXE Installs the EV kit files on your computer MAX7322.EXE Application program FTD2XX.INF USB device driver file UNINST.INI Uninstalls the EV kit software TROUBLESHOOTING USB.PDF USB driver installation help file 2 Evaluate: MAX7322