CommTech Fastcom 232/4-LPCI-335 Reference Manual Download Page 18 | Manualshive

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14

APPENDIX A

17D154 UART

Data Sheet

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Summary of Contents for Fastcom 232/4-LPCI-335

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Page 2: ...006 2010 All rights reserved including those to reproduce this document or parts thereof in any form without permission in writing from Commtech Inc FASTCOM and the Alpha Lemur are registered trademarks of Commtech Inc Microsoft is a registered trademark of Microsoft Corporation WINDOWS is a trademark of Microsoft Corporation ...

Page 3: ...N PAGE NUMBER CHANGES MADE 1 0 Document created 1 1 2 Added information about digital I O ports 1 2 8 Added to fastcom serial settings 1 3 13 Changed warranty period to limited lifetime 1 4 13 Updated Limitation of Liability ...

Page 4: ...WARE INSTALLATION 5 SOFTWARE INSTALLATION 5 TESTING THE INSTALLATION 6 TESTING THE FASTCOM ASYNC PCI PORT IN WINDOWS 6 FASTCOM ASYNCPCI 335 SERIAL SETTINGS 7 FASTCOM 232 4 LPCI 335 ADAPTER CABLE 9 DB44 PIN DESCRIPTION 9 DB25 PIN DESCRIPTION 10 PROGRAMMING 11 MAXIMUM DATA RATE 12 TECHNICAL SUPPORT 13 APPENDIX A 14 17D154 UART DATA SHEET 14 ...

Page 5: ...Hz Class B Limits EN 50082 1 1992 EMC Generic Immunity Standard Part 1 Residential Commercial and Light Industry IEC 801 2 1984 Method of Evaluating Susceptibility to Electrostatic Discharge Level 4 IEC 801 3 1984 Radiated Electromagnetic field Requirements Level 3 IEC 801 4 1988 Electrical Fast Transient Burst Requirements Level 2 Products listed on this declaration are exempt from the requiremen...

Page 6: ...ransmit FIFOs of 64 bytes with programmable trigger levels Each board utilizes a programmable clock generator to create the UARTs input frequency The clock generator is capable of generating frequencies from 6 to 50 MHz Utilizing this feature it is possible to configure the board to operate at virtually any serial data rate that the user desires 1 Mbits second and faster Additionally this board is...

Page 7: ...rofile PCI MD1 Power Requirements 600mA 5V typical Certification FCC compliant CE marked Operating Temperature Range 0 C to 70 C Humidity 0 to 90 non condensing Features New high performance 17D154 UART Standard or the Fastcom 232 4 LPCI 335 All baud rates up to and above 1 Mbps See Maximum Data Rate section 64 byte FIFOs for improved throughput Four independent channels Software programmable baud...

Page 8: ...4 Connector Status LED s Rx Yellow Tx Red Dimensions 2 536 X 4 721 in Low Profile Short MD1 length Universal PCI PACKING LIST Fastcom 232 4 LPCI 335 Card 232 4 Cable Assembly Fastcom CD If an omission has been made please call technical support for a replacement ...

Page 9: ...the blank bracket from your PC install the Fastcom 232 4 LPCI 335 in the PC by pressing it firmly into the slot Install the bracket screw to hold it firmly in place 6 Re install the cover on your PC 7 Refer to Software Installation in the next section for information on installing the software for the board Software Installation 1 Click here to open the Installation Manual located on your Fastcom ...

Page 10: ...embly to the DB44 connector Install the loopback plug on the port to test 2 Open an MS DOS or Command prompt windows and change to the directory C cd directoryname where you saved the Fastcom software files that were either copied from the CD or downloaded from our website Change to the examples directory then change to the loop_back directory 3 Type loop_back X Where X is the COM port you wish to...

Page 11: ... then by any whole number and get to your bit rate as the answer By default the clock is set to 14 7456 MHz 14745600 Hz This frequency can be divided by whole numbers to get all of the standard bit rates i e 9600 19200 115200 etc Minimum 6 MHz Maximum 50 MHz For Example Frequency Sampling rate 8 or 16 n bit rate 14 745 600 16 96 9600 This setting is global Changing the clock generator frequency wi...

Page 12: ...rupts for your CPU to handle Tx FIFO Trigger Tx Write Size must not exceed 64 Tx Write Size1 Tx Write Size is the number of bytes that get written to the Tx FIFO when the low water mark is reached Raising or lowering this value can help to reduce the number of interrupts generated by the Fastcom port during transmits This setting affects only the selected port Modify this value only if necessary i...

Page 13: ... access to the four channels of the FASTCOM 232 4 LPCI 335 through a shielded DB44 connector and an adapter cable supplied with the board The adapter cable consists of a DB44 male plug fanning out to four standard DB25 male plugs DB44 Pin Description ...

Page 14: ...n description of the DB25 connectors PIN NO SIGNAL NAME DIRECTION 1 No Connect 2 TRANSMIT DATA TxD OUTPUT 3 RECEIVE DATA RxD INPUT 4 REQUEST TO SEND RTS OUTPUT 5 CLEAR TO SEND CTS INPUT 6 DATA SET READY DSR INPUT 7 SIGNAL GROUND GND GROUND 8 CARRIER DETECT CD INPUT 9 19 No Connect 20 DATA TERMINAL READY DTR OUTPUT 21 No Connect 22 RING INDICATOR RI INPUT 23 25 No Connect ...

Page 15: ...well as the custom structures used in them are defined in the fcapi h header file Fastcom AsyncPCI 335 Serial Setting DeviceIOControl dwIoControlCode Clock Generator Frequency IOCTL_FASTCOM_SET_CLOCK Rx Echo Cancel IOCTL_FASTCOM_SET_RXECHO Sampling Rate IOCTL_FCPORT_SET_SAMPLING Digital Output 1 2 IOCTL_FCPORT_SET_DIGI_OUT Digital Input 1 2 IOCTL_FCPORT_GET_DIGI_IN Tx FIFO Trigger Level IOCTL_FCPO...

Page 16: ...orrelations between maximum baud rate and cable length up to a typical maximum of 2 062 500 bps rates above 1 Mbps are possible but not guaranteed To determine the max length at a given baud use d 9 04 10 5 bps 192 To determine the max baud at a given cable length use bps 11 000 d 2 13 106 d approximate MAX cable length in feet bps estimated MAX baud rate in bits per second Equations are based on ...

Page 17: ...il to obtain an RMA number You are responsible for shipping charges when you return a FASTCOM board to Commtech We will pay the shipping charges to send the board back to you if a defect in workmanship is found However if no defect in workmanship is found or the board is not found to be defective or the any of the following warranty exclusions occur you will be responsible for shipping charges bot...

Page 18: ...14 APPENDIX A 17D154 UART Data Sheet View from CD Download from web ...

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