ME-24 PC/1041.0E
Contents
1. A Specifications B Connector Pinouts Contents Bl Position of pin field connectors B2 Molex connector interrupt external B3 Pin field connector digital ports pinout Technical Questions C1 Fax hotline C2 Customer service address C3 Updates Page 5 User manual ME 24 PC 104 Meilhaus Electronic Revision 1 0E User manual ME 24 PC 104 1 Introduction Dear customer Thank you for purchasing the ME 24 PC board On purchase of this board you have selected a high quality technological product that left our premises in perfect condition Please check that your delivery is complete and in good condition If any faults are obvious please contact us immediately We recommend that you carefully read this manual before installing the board especially the installation chapter This also explains how the jumpers can be set for the various board functions 1 1 Scope of Delivery It goes without saying that we make every effort to ensure that the product package is complete But to check whether your delivery is complete please check your package using the following list Your package should contain the following parts e TTL digital I O board ME 24 PC 104 type for the ISA based embedded PC 104 form factor e Manual in PDF file format on the ME Power CD optional printed version e Molex mating connector for interrupt external 1 2 Features The ME 24 has 24 TTL digital I O channels The ME 24 is an ISA2. Upper Lower x x x1010 x10 0 Output Output Output Output x x x1010 x10 1 Output Output Output Input _ x x x1011 x10 0 Output Output Input Output _ x x x10 1 x10 1 Output Output Input Input x x x1010 x11 0 Output Input Output Output x x x10l0 x 1 Output Input Output Input x x x 0 1 x 1 0 Output Output x 011 x1111 Output Input Input Input _ HERDO x o x o 1 Input Output Output Input x 1 11x 0 0 input Output Input DONE AL u eee 1 ol x Input Output A fofe Fa fa Pnpur par Output par 11 x 1 0 Input Input Input Output _ l lzl l Input Input Input Input _ px x x Px x x x x x lx x x lx x x px x x Px x x x x x Page 13 Meilhaus Electronic Revision 1 0E Appendix Appendix Specifications PC 104 interface Bus interface Base addresse Interrupt Digital I O Lines ports Level External interrupt General Data Power consumption Size Connectors Temperature range Humidity CE certification EC directive Emission Immunity User manual ME 24 PC 104 ISA 16 bit based PC 104 embedded bus Jumper selectable in a wide range the jumpers correspond to the address lines A3 A11 External interrupt input jumper selectable 3 7 9 12 14 15 24 T O lines grouped in three 8 bit wide bidirectional ports Each port programmable as input or output Output level Uo max 0 5 V at 24 mA Upp
3. PC 104 Name Pin Pin Name Channel GND 5V GND PA O O GND PA 1 1 GND PA 2 2 GND PA 3 3 GND PA 4 4 GND PA 5 5 GND PA 6 6 GND PA 7 2 GND PB 0 8 GND PB 1 9 GND PB 2 10 GND PB 3 11 GND PB 4 12 GND PB 5 13 GND PB 6 14 GND PB 7 15 GND PGO 16 GND PC 1 17 GND PC 2 18 GND PC 3 19 GND PC 4 20 GND PCS 21 12 V GND PC 6 22 12 V GND PC 7 23 Figure 8 Pinout of the 50 pin flat ribbon cable connector pinfield Note Pins 2 and 4 can either be GND or 12 V PC power Use jumper ST1 to select see description of the jumpers Appendix Page 17 Meilhaus Electronic User manual ME 24 PC 104 Revision 1 0E E Technical Questions C1 Fax hotline If you have technical questions or problems relating to the board please send a detailed description of the problem to our hotline Fax hotline within Germany 089 89 01 66 28 from abroad 49 89 89 01 66 28 Email hotline support meilhaus com C2 Customer service address We hope that you will never need this part of the manual If your board has a technical defect please contact us at Meilhaus Electronic GmbH Abteilung Reparaturen Fischerstrasse 2 D 82178 Puchheim Germany If you want to return your board for repair please enclose a detailed description of the error including details of your computer system and the software used The simplest method is to use our RMA procedure which you will find online at www meilhaus com en service rma procedure C3 Updat
4. min 2 4 V at 24 mA Input level Ur max 0 8 V at Vee 5 V Un min 2 V at Ve 5 V Input current 1 pA Directly sent to system if enabled Level TTL see digital I O channels 40 mA no load mm 90 x 96 board only 105 x 96 x 24 board incl connectors PC 104 bus connector and 1x flat ribbon cable connector 10 pin Molex for interrupt external Molex mating connector included 40 85 C 20 55 non condensing 89 336 EMC EN 55022 EN 50082 2 Page 15 Meilhaus Electronic User manual ME 24 PC 104 Revision 1 0E B Connector Pinouts Bl Position of pin field connectors Interrupt external Molex connector PC 104 bus Pin field for the ports A C Figure 6 Position of the pin field connectors on the ME 24 B2 Molex connector interrupt external GAHAHAHAHA MA PRO TA SEND E reserved 7 GND 9 ne 2 IRQIn2 4 GND 6 reserved 8 GND RN c Figure 6 Molex connector pinout Molex mating connector included B3 Pin field connector digital ports pinout Pinout see table on the following page 49 47 45 43 41 39 37 35 33 31 29 27 25 23 21 19 17 151311 9 7 5 3 1 Ed a Ca a g amp a A a a el el el al el am Leiterplatte 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 141210 8 6 4 2 Figure 7 50 pin pinfield of the ME 24 view from front side Meilhaus Electronic Page 16 Appendix Revision 1 0E User manual ME 24
5. Meilhaus Electronic User Manual ME 24 PC 104 1 08 Embedded PC 104 TTL Digital I O Board with three 8 bit Ports Impressum User Manual ME 24 PC 104 Revision 1 0E Date 2008 06 17 Meilhaus Electronic GmbH Fischerstrasse 2 82178 Puchheim Germany www meilhaus com Copyright 2008 Meilhaus Electronic GmbH All rights reserved No part of this publication may be reproduced or distributed in any form whether photocopied printed put on microfilm or be stored in any electronic media without the expressed written consent of Meilhaus Electronic GmbH Important note The information contained in this manual has been reviewed with great care and is believed to be complete and accurate Meilhaus Electronic assumes no responsibility for its use any infringements of patents or other rights of third parties which may result from use of this manual or the product Meilhaus Electronic assumes no responsibility for any problems or damage which may result from errors or omissions Specifications and instructions are subject to change without notice All trademarks acknowledged ISO 9001 2000 Revision 1 0E Contents 1 Introduction 1 1 Scope of Delivery 1 2 Features 1 3 System Requirements 1 4 Available Software 2 Installation 4 Hardware 3 1 Jumper Positions 3 2 Jumper Functions and Registers 3 2 1 Setting the connector pin 2 and 4 signal 3 2 2 External interrupt 3 2 3 Base address 3 2 4 Registers Appendix
6. based PC 104 board The channels are grouped in three 8 bit wide TTL ports Each port can be configured as input or output via software With its extended temperature range and an additional external interrupt input the ME 24 is the ideal solution for industrial embedded systems Introduction Page 5 Meilhaus Electronic User manual ME 24 PC 104 Revision 1 0E e Three 8 bit TTL digital I O ports e Wide range of base addresses base addresse selected via jumper e Additional external interrupt in put e Extended temperature range 40 85 C e For the ISA based PC 104 form factor 1 3 System Requirements The ME 24 will be used with a PC 104 stack with Intel processor or compatible 1 4 Available Software The ME 24 can directly be programmed on register level with common programming languages environments and operating systems Meilhaus Electronic Page 6 Introduction Revision 1 0E User manual ME 24 PC 104 2 A Mas Installation Installation When installing the board in a PC 104 stack do not use inappropriate force It should be possible to insert the board into other PC 104 modules without a great deal of effort Please note the relevant regulations of the PC 104 standard for assembly Caution Risk of destroying highly sensitive components through electrostatic discharge Therefore make sure you dissipate your body s charge before installing the board for example by touching a blank casing element
7. es The current drivers for Meilhaus Electronic boards and our manuals in PDF format are available from www meilhaus de Meilhaus Electronic Page 18 Appendix Revision 1 0E Index Symbols 8255 13 A L Appendix 15 B M Base address 12 C P Connectors 15 Connector Pinouts 16 Controll word 13 control register 13 Customer service address 18 D Digital I O 15 R E Email hotline 18 External interrupt 10 S F Fax Hotline 18 Features 5 Functions of the control register 15 H Hardware 9 T I Installation 7 interrupt 10 U IRQ 10 J jumper 9 10 12 Jumper Functions and Registers Appendix Page 19 User manual ME 24 PC 104 10 Jumper Positions 9 Level 15 Molex connector 16 PC 104 interface 15 Port A 13 Port B 13 POTG 19 Position of pin field connectors 16 Registers 13 Register functions 13 RMA procedure 18 Scope of Delivery 5 Setting the connector pin 2 and 4 signals 10 Size 15 Specifications 15 System Requirements 6 Technical Questions 18 Temperature range 15 Updates 18 Meilhaus Electronic
8. nual ME 24 PC 104 Revision 1 0E 3 2 5 Base address The base address of the board is set with jumper ST3 figure 3a The jumpers are related to the address lines as shown in figure 4 If a jumper is set it is 1 The default setting of the base address is 750 Hex The example in figure 3b shows how to set the address 700 Hex Figure 4a Jumper ST3 for setting the base address Figure 4b Example how to set address 700 Hex gt 11100000000 gt 700 Hex Figure 5 Relation of jumpers and address lines Meilhaus Electronic Page 12 Hardware Revision 1 0E User manual ME 24 PC 104 3 2 4 3 2 4 1 3 2 4 2 Hardware Registers Register functions The ME 24 can be programmed on register level Die board uses 4 successive bytes in the I O address space of your PC beginning with the base address BA set with the jumper as described above R read W write Offset Read write 8 bit register BA 4 Port A Functions of the control register With the control register you can configurate all lines of a port to be inputs or outputs The ME 24 emulates the well known chip 8255 The bits marked with x have special functions on the 8255 but are not used on the ME 24 The have the status don t care and can be set to 0 or 1 with no difference Port C is divided the lower and upper 4 bits or lines can be configured as inputs or outputs Controll word Port A Port B Port C base address 7
9. on your computer Page 7 Meilhaus Electronic Revision 1 0E User manual ME 24 PC 104 3 3 1 Hardware Jumper Positions Figure 1 shows the jumper positions They are referred to as ST1 to ST4 Molex connector for external interrupt ST4 Hardware ST2 ST1 function of ARQ pin2 and 4 ST2 50 pin flat ribbon cable base address connector for I O channels Figure 1 Jumper positions Page 9 Meilhaus Electronic User manual ME 24 PC 104 Revision 1 0E 3 2 Jumper Functions and Registers 3 2 1 Setting the connector pin 2 and 4 signal With jumper ST1 you can set the signal available at the pins 2 and 4 of the 50 pin flat ribbon cable connector The signal at pin 2 and 4 can either be GND or 12 V PC power 1 2 3 ST1 GND IV Connector pin 2 and 4 Figure 2a Jumper ST1 for pin 2 and 4 signal 1 2 J 1 2 3 Pin 2 and 4 to GND Pin 2 and 4 output 12 V PC power Figure 2b Settings for jumper ST1 3 2 2 External interrupt Jumper ST2 is used to set the interrupt external You can select IRQ 3 7 9 12 14 15 see figure 2a The default setting for IRQ external is 7 The example below see figure 2b shows how to set IRQ 9 sT2 IRQ external Figure 3a Jumper ST2 sets the interrupt line Meilhaus Electronic Page 10 Hardware Revision 1 0E User manual ME 24 PC 104 sT2 IRQ external Figure 3b Example IRO 9 for external interrupt Hardware Page 11 Meilhaus Electronic User ma
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