XR22800 Eval Board Manual
Contents
1. EXAR AR22800IL32 0A EB A Nes Direction in Mixed Signal Evaluation Board Users Manual Introduction The XR22800IL32 0A EB is an evaluation board for the XR22800IL32 F The XR22800IL32 F is a Hi Speed USB 2 0 com pound device with an embedded hub and 3 downstream USB functions 10 100 Ethernet controller multi master capable C controller and an Enhanced Dedicated GPIO Entity EDGE controller This manual is intended to guide users to oper ate these different functions of XR22800IL32 F on a windows 7 platform Table 1 Ordering Information Device Ordering Part Number Evaluation Board Ordering Part Device Package Device Location Number XP228001L32 F XR22800IL32 0A EB 32pn QFN Board Layout and Outline Evaluation Board outline Figure 1 provides shows the topography of the evaluation board a a S RJ45 m USB port e JAK m AJ I lt I l m l I U l I I l S I Figure 1 Outline XR22800 Evaluation Board 2014 Exar Corporation 1 13 www exar com XR22800 Rev 1A XR22800IL32 0A EB User s Manual Evaluation Board Layout Figure 2 XR22800 Evaluation board Top View 2014 Exar Corporation 2 13 www exar com XR22800 Rev 1A XR22800IL32 0A EB User s Manual Software Drivers This section provides assistance regarding installation of driver for the embedded hub and all the downstream USB func tions of the XR2280x The hub and the HID functions IC and EDGE are2. GUI Item This box displays device information Vendor ID VID Product ID PID EDGE pin number Element in this column references to the EDGE pin number E g E0 Edge Pin 0 E1 Edge Pin 1 etc Enable EDGE Check this box to configure this pin to EDGE Uncheck this box to configure this pin to UART Click on the box to the pin from input to output and vice versa 1 This pin is configures as output pin O This pin is configured as input pin Name Description SR m 2014 Exar Corporation A drop down menu provides three options 1 Push Pull select this option to set output pin to be PUSH PULL 2 Open Drain select this option to set output pin to be an open drain pin 3 Tri State select this option to set output pin to be a Tri state pin 11 13 www exar com XR22800 Rev 1A XR22800IL32 0A EB User s Manual Table 4 HID I2C GUI Description GUI Item Name Description 86 SET CLR Check this box to set the output HIGH Uncheck this box to set the output LOW 7 PWM Control A drop down menu provides three options 1 IDLE select this option to leave PWM output idle 2 Stp LOW select this option driver output LOW when PWM is idle 3 One Shot If output is high run one low cycle and stop high If output is low run one high cycle and stop low Cleared to IDLE when completed 4 RUN select this option for PWM output to toggle HIGH LOW 5 Stp HIGH select this option driver output HIGH when PWM is idle PWM Enable A dro
3. supported by Windows in box generic drivers therefore no custom driver need to be installed and the Windows system should automatically load drivers for these func tions The XR22800IL32 0A EB is shipped with an installation CD that contains the latest Windows Xp 7 custom drivers for the Ethernet function This driver can also be downloaded from the XR22800 s product web page Device Enumeration When the device is first plugged into the system the embedded hub is enumerated first It appears in the Device Manager under the Other devices tab as shown in the Figure 3 In order to access the Device Manger go to start and in the search box enter devmgmt msc and hit carriage return key on the keyboard 1 2 A Communications Port COML1 gt L Processors gt AJ Sound video and game controllers gt JE System devices Figure 3 XR22800 hub enumeration The downstream USB functions are initially enumerated as shown in Figure 4 in Device Manager under Other devices tab before their drivers are installed 4 Other devices a m Exar USB EDGE a ha Exar USB Ethernet a ta Exar USB PC Figure 4 Enumeration of USB downstream ports 2014 Exar Corporation 3 13 www exar com XR22800 Rev 1A XR22800IL32 0A EB User s Manual Driver Installation As mentioned previously the drivers for the embedded hub and HID functions should be installed automatically This section provides assistance in installing custom driv
4. Host t Figure 5 XR22800IL56 F embedded hub in Device manager 2014 Exar Corporation 4 13 www exar com XR22800 Rev 1A XR22800IL32 0A EB User s Manual Driver Installation for HID IC and EDGE devices Drivers for the HID devices will be installed automatically after the Hub drivers are installed and they will appear under Human Interface devices tab in Device Manager To differentiate between HID devices read the Hardware IDs The prod uct ID for HID I7C is 0x1100 and for HID EDGE is 0x1200 gt EZ Disk drives gt MY Display adapters gt s DVD CD ROM drives gt a Floppy disk drives 111 gt lt Floppy drive controllers Ja Human Interface Devices A HID compliant device Je HID compliant device lS USB Input Device m USB Input Device i USB Input Device he 71 IEEE 1394 Bus host controllers gt m Jungo gt Za Keyboards x 1 I Figure 6 HID devices in Device Manager Installing Custom Driver for Ethernet Function In the installation disc goto folder Driver Etherne and copy its contents on the hard drive Extract all contents of the zip folder Go to device Manger and right click on Exar USB Ethernet under the Other devices tab and select Update Driver JI Network adapters Update Driver Software m7 Communications Disable O Processors A Sound video and gar Uninstall gt JE System devices scan for hardware chan
5. IC master to an C slave device The installation disc contains an HID I C utility to control this HID I C master function The figure shows the snap shot of HID I C utility e ponte Device Opefations es 7 Read Size dec Run T Find KR 2280x 12C Write Size dec lac Add thes 42 JL co Bytes to Write hex D Continuously Rd Wr Bytes Readback hex 00 12C Options 10 bit Address M withStart M withStop Consective Read EK M Autoincrement Values CEXAR Figure 10 HID I7C utility Connect I C slave device to the XR22800IL32 0A EB evaluation board via 4 pin header J3 The evaluation board has 47K pull up installed on SDA and SCL pin refer to the schematic for more details Run the HID I C test app Push Find XR2280x I2C button Each portion of HID IFC utility is described in table below Table 3 HID I2C GUI Description GUI Item Name Description 1 I2C Addr Enter the address of the Slave i c device The value entered should be in hexadecimal format and right shifted by one bit e g If Slave address 60 the value entered in this box will be 30 2 Write Size Enter in decimal the number of bytes without including the slave address to be sent to slave device Push this button to execute Read Write command Enter in decimal the number of bytes expected to be read from the slave device Find XR2280x I2C Push this button to force th
6. e utility to look for XR2280x device Bytes Readback This window display the bytes read from the slave device The number of bytes read is defined by GUI item 4 This window will also display status of any operation in terms of whether it succeeded or failed 7 Continuously Rd Wr Enable this box in order to perform read write operation continuously De selecting the check box will stop the operation 2014 Exar Corporation 9 13 www exar com XR22800 Rev 1A XR22800IL32 0A EB User s Manual Table 3 HID I2C GUI Description GUI Item Name Description 8 I2C options These settings controls the IC protocol a 10 bit Address Check this box to enable 10 bit slave addressing mode b WithStart Check this box to initiate I2C transaction with start bit The master sends a start bit fol lowed by the address byte to select a slave and initiate a transfer c WithStop Check this box to end I C transaction with stop bit The master sends a stop bit this relinquishes the bus and another master may then clain it d Consecutive Read Check this box to perform consecutive read operation Bytes to Write Enter the data string that needs to be send to slave device If there is more than one data byte they should be separated by space For eg For write operation In order to send data string 0x22 Ox3C 0x4A 0x55 0x56 and Ox8F to slave device enter these values in box as below 22 3C 4A 55 56 8F In most slave devices the f
7. er for the Ethernet function Driver Installation for Embedded HUB Once the driver for the embedded hub is installed it will appear under Universal Serial Bus Controller tab as Generic USB Hub as shown in Figure 5 The users will have to read the Hardware IDs of the Generic USB Hub devices to differentiate between different generic hubs attached to the system In order to access Hardware IDs right click on Generic USB Hub and select Properties In Properties page go to Details tab in the Property drop down menu select Hardware Ids The Hardware ID of that device is showed under Value window For XR22800IL32 F the value shown in this window USB VID_04E2 amp PID_0800 Where 04E2 is the Vendor ID VID of Exar and 0x0800 is the Product ID PID The downstream functions are enumerated only after the hub driver has been successfully installed Ta Human Interface Devices Mis USE Input Device i mi USE Input Device gt Ca IDE ATA ATAPI controllers gt g IEEE 1394 Bus host controllers y EF Jungo 5 Keyboards Mice and other pointing devices JE Monitors JE Network adapters je Other devices a Exar USB EDGE uy Exar USB Ethernet gt B Ports COM amp LPT p Processors a Sound video and game controllers Lett High Definition Audio Device gt i System devices a p Universal Serial Bus controllers i W Generic USB Hub i Generic USE Hub Intel R ICHS Family USB Universal
8. ez Po ocr200 DIR DIR Enable 1 OP SET Enable 140P SET PWM EDGE 0 IP o PiTYPE CIR bntrol PWM Enable Sta EDGE 04P O PTYPE CLR Control PWM Enable Status UNKTO UART1 E ush v M Jf DLE v None v E8 z o Push Pull n IDLE None E m o Push Put J line None v E eg Ir Push Pul DLE None l r Push Pul Al m five lt L E10 Ir Push Pull DLE None l C Push Pul AI five None L E11 Ir Push Pul DLE None l 5 liek oll lim mk ma en ee a r offra else bee A L es Ilona I BE JJ ee I 4 m oJiPorra Al r lc A bee A ea dla e me I nn Hd td Push Pull A None f UI E15 r Push Pull inte None l UART3 E16 m 0 fPush Pui IDLE None L E24 E o Push Pull E IDLE None L E17 0 Pust Pul ioe None L E25 of Pusa fine None 7 H E18 0 Push Pul M IDLE M None L E6 FT of Push Pull m IDLE None u E19 0 f fPush Pui r ite None l E27 0 Push Pul DLE None l E20 E o fPush Pui IDLE None v p E28 m 0 Push Pull m IDLE None L en r olea rime ne I 1 es r g eane me sl nn I LI E22 _0 Push Pun v JiDLE z None H E30 0 Pust Pul z ioe None LI es Oalah o foe jee C l en Oaa m foe C ee I i CZ A New Direction in Mixed Signal Figure 11 HID EDGE Application Table 4 HID I C GUI Description
9. ges 4 W Universal Serial Bus ci Generic USBHUub Properties On the next wizard page select option Browse my computer for driver software How do you want to search for driver software Search automatically for updated driver software Windows will search your computer and the Internet for the latest driver software for your device unless you ve disabled this feature in your device installation settings On the next wizard page select the option Let me pick from a list of device drivers on my Computer then click button Have Disk and browse to the folder where all the driver files were extracted and select the xrusbnet inf file On successful installation of driver the device will be listed under Network Adapters a Network adapters a Re 3 2 i ts ja z s teen ne Last tutes ds oor oli Exar USB Ethernet Device 30 FETE u M s A SEE ren x LE X 1 fa ga i nai yp n K eh a Aa ie h S E 2014 Exar Corporation 5 13 www exar com XR22800 Rev 1A XR22800IL32 0A EB User s Manual Software Application and Utilities After successful installation of drivers the next step in the process is to operate XR22800 The installation disc contains var ious test applications for testing the various USB functions It contains test application for C and EDGE functions The user may use a web browser for evaluating the Ethernet function The following screen shots and information are provided to o
10. irst byte is the address in slave device where the following data should be written For this example 0x22 is that address For Read Operation Enter the Address in the slave device that needs to be accessed For e g if the address of location in slave device is 0x22 enter 22 in the box The value read will be shown in Bytes Readback GUI item 6 Autoincrement Values Enable the check box to auto increment by 1 the data byte specified by the offset GUI item 11 in Byte to Write GUI item 9 for e g if data string in Byte to Write 22 3C 4A 55 56 8F offset 1 after every trans action data byte in this case Ox3C will be incremented by 1 and the remaining string remains the same From Offset Enter the offset location in decimal system of the byte in the data string in Bytes to Write box All the messages related to HID I2C is displayed in this box 13 It describes the version number for the existing application 2014 Exar Corporation 10 13 www exar com XR22800 Rev 1A XR22800IL32 0A EB User s Manual HID EDGE PID 0x1200 The XR22800IL32 0A EVB evaluation board has a header J2 for testing EDGE pins The installation disc contains an application to control configure the EDGE pins The user needs to confirm the jumper settings before proceeding with this test The figure below shows the snapshot of HID EDGE utility ZZ Ua En HID EDC ef n H Mrroet
11. is mode are explained in brief below Table 2 Speed and Duplex Settings Property Name Description Auto Sense Default XR22800IL32 F automatically determines the link speed through the process of Auto Negotiation where XR22800IL32 F advertises itself to be 10M 8 100M Full amp Half capable to the link partner 100M Full Half Auto During this mode XR22800IL32 F will always advertise itself to be 100M Full Half capable only to the link partner 10M Full Half Auto During this mode XR22800IL32 F will always advertise itself to be 10M Full Half capable only to the link partner 2014 Exar Corporation 6 13 www exar com XR22800 Rev 1A XR22800IL32 0A EB User s Manual Table 2 Speed and Duplex Settings Property Name Description 100M Full Half Fixed During this mode XR22800IL32 F is forced to 100M Full Half mode There is no link negotiation with the link partner the link partner 10M Full Half Fixed During this mode XR22800IL32 F is forced to 10M Full Half mode There is no link negotiation with The XR22800IL32 F supports static and dynamic IPs Follow the steps below to configure the static IP if the static IP is assigned 1 Go to the Start menu 2 In the Search box search for View network connections and hit carriage return 3 Right click on Local Area Connection icon of Exar USB Ethernet shown in figure below and select properties 71 Local Area Connection 33 A Network cable unplugged Se GE Exar USB Ethe
12. p down menu provides an option to select among two PWMs Select None to dis able PWM mode Status If configured as output this box display state of the pin 1 pin state is HIGH O pin state is LOW For further details on any of the above functions refer to the datasheet 2014 Exar Corporation 12 13 www exar com XR22800 Rev 1A XR22800IL32 0A EB User s Manual Revision History Revision Date Description June 2014 Initial release For Further Assistance Email UARTtechsupport exar com EX R Exar Technical Documentation http www exar com techdoc Exar Corporation Headquarters and Sales Offices A New Direction in Mixed Signal 48720 Kato Road Tel 1 510 668 7000 Fremont CA 95438 USA Fax 1 510 668 7001 NOTICE EXAR Corporation reserves the right to make changes to the products contained in this publication in order to improve design performance or reliability EXAR Corporation assumes no responsibility for the use of any circuits described herein conveys no license under any patent or other right and makes no representation that the circuits are free of patent infringement Charts and schedules contained herein are only for illustration purposes and may vary depending upon a user s specific application While the information in this publication has been carefully checked no responsibility however is assumed for inaccuracies EXAR Corporation does not recommend the use of any of its products in life suppo
13. perate the 3 different types of embedded functions for all tests including Suspend Resume testing Each type of function is described separately but can will be run simultaneously Ethernet 10 100 PID 0x1300 After successful installation of Ethernet driver plug in a cat 5 ethernet cable into the RJ45 ethernet jack The device proper ties related to ethernet port can be modified from Device Manager Right Click on Exar USB Ethernet Device instance under Network Adapter and select Properties In Properties select Advanced tab as shown below in Figure 7 Exar USB Ethernet Device 30 Properties The following properties are available for this network adapter Click the property you want to change on the left and then select its value an the right Value fin Sense Y Pracessor ffinity Mask Receive Buffers Receive Side Scaling Rx Usb Buffer Blacks Speed amp Duplex TCP Checksum Offload Figure 7 Ethernet device Properties This tab provides access to modify various properties related to Ethernet e g Flow control Remote Wake up modes Speed and Duplex modes etc In Speed amp Duplex property the user can select among different link speed configurations sup ported by XR22800IL32 F in Speed 8 Duplex property The different speed configurations are Auto Sense 100M Full Auto 100M Full Fixed 100M Half Auto 100M Half Fixed 10M Full Auto 10M Full Fixed 10M Half Auto and 10M Half Fixed All of th
14. rnet Device 30 4 On the properties page select Internet Protocol Version 4 and click on Properties button as shown in Figure 8 m ns m U Local Area Connection 33 Properties iim Networking Connect using A Exar USB Ethemet Device 30 This connection uses the following tems D Client for Microsoft Networks VirtualBox Bridged Networking Driver m QoS Packet Scheduler File and Printer Sharing for Microsoft Networks wi Intemet Protocol Version 6 TCP IP v6 Intemet Protocol Version 4 TCP IP v4 wi Link Layer Topology Discovery Mapper O Driver Link Layer Topology Discovery Responder Install Uninstall Description Transmission Control Protocol Intemet Protocol The default wide area network protocol that provides communication across diverse interconnected networks Figure 8 Local Area Connection Properties window 5 The Static IPs can be configured as shown in the figure For DHCP select the option Obtain the IP address automati cally 2014 Exar Corporation 1113 www exar com XR22800 Rev 1A XR22800IL32 0A EB User s Manual Obtain an IP address automatically Use the following IP address IP address 192 168 1 2 Subnet mask 255 255 255 0 Default gateway 192 168 1 1 Obtain DNS server address automatically Use the following DNS server addresses Preferred DNS server Alternate DNS server IP settings can be confirmed by following the below mentioned step 1 Go
15. rt applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness Products are not authorized for use in such applications unless EXAR Corporation receives in writing assurances to its satisfaction that a the risk of injury or damage has been minimized b the user assumes all such risks c potential liability of EXAR Cor poration is adequately protected under the circumstances Reproduction in part or whole without the prior written consent of EXAR Corporation is prohibited 2014 Exar Corporation 13 13 www exar com XR22800 Rev 1A
16. to Start menu and search for cmd and hit carriage return 2 In the command prompt enter ipconfig all 3 It will display information for all the network adapters connected to the system The user should look for Ethernet adapter whose description says Exar USB Ethernet Device as shown in figure below EM Administrator Command Prompt Ethernet adapter Local Area Connection 33 Connection specific DNS Suffix Description z Exar USE Ethernet Device H3H Physical Address gt 66 BD 27 6989 99 2D DHCP Enabled No Autoconfiguration Enabled z Yes Link local IPv6 Address gt fe8f f4a8 46af alfd d2h3 986 Preferredi IPu4 Address 192 168 1 2 Preferred gt Subnet Mask z 255 255 255 0 Default Gateway z 192 168 1 1 DHCPv6 IAID z 1589997863 DHCPv6 Client DUID z 66 61 66 61 19 7 7F 8 4 66 1D 684 EA 73 FE DNS Servers z FecH HAIMIFFFF 11 1 FfecH H W FFFF 2 1 FecH H WMIFFFF 3x1 Met BIOS over Tcpip Enabled Figure 9 Local Area Connection adapter information Once the User is done configuring the ethernet port based on their network requirement the ethernet port will be ready to be used Use a web browser to verify the functionality of the Ethernet port 2014 Exar Corporation 8 13 www exar com XR22800 Rev 1A XR22800IL32 0A EB User s Manual HID I C PID 0x1100 The XR22800IL32 0A EB evaluation board provides an interface header J4 to connect its
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