Mercator Manual v1.00 - Diamond Systems Corporation
Contents
1. DIAMOND SYSTEMS CORPORATION MERCATOR PC 104 Plus I O Module with 1 or 2 10 100Mbps Ethernet Ports 24 Lines Digital I O User Manual V2 00 Document no 765330 Rev A Copyright 2004 2006 Diamond Systems Corporation 1255 Terra Bella Ave Mountain View CA 94043 Tel 650 810 2500 techinfo diamondsystems com TABLE OF CONTENTS 1 DESCRIPTION mv 2 2 tunteian duced vcs vuudeudeduew 3 2 FEATURES saciices E E A A A E E A E 3 3 MERCATOR BOARD DRAWING nernvvennvnnnvnnnvnnnvnnnvnnnnvnnnvnnnvnnnvnnnvennnennnennnennnnennnennnenunnennnennnene 4 4 VO HEADER PINOUT AND PIN DESCRIPTION euuneranvvenvvnnnvvnnvrnnnvnnnennnvnnnvnnnvennvnnsvensvenseenneenen 5 5 BOARD CONFIGURATION mmunnnnnnvnnnvnnnvnnnnnnnvnnnvnnnennnennnnennnennnernnennnnennnennnennnnnnnvennnevnneennnenneennenne 7 6 VO N E 8 To SPECIFICATIONS medmenneske ie kinoer i 10 8 82C55 DIGITAL N O IC DATASHEET i mennnennnvrnnvrnnnennnernnnnnnnnnnnennnnnnnvnnnvennvnnnvnnnvennnnnnnvnnnvenneennee 10 4 DIAMOND SYSTEMS CORPORATION Mercator User Manual V1 00 Page 2 MERCATOR PC 104 Module with 1 or 2 High Speed Ethernet Controllers 24 lines of Digital I O Models MRC 100 XT 1 Ethernet controller MRC 224 XT 2 Ethernet controllers 24 digital I O 1 DESCRIPTION Th2. Out In In 280 640 In Out In 2C0 706 Out Out In 300 768 Default In In Out 340 832 Out In Out 380 896 In Out Out 3C0 960 Out Out Out 5 2 PC 104 Slot Selection J11 Each PCI device that exists on the PC 104 expansion bus must occupy one unique slot number 0 3 Slots 0 2 are bus master slots while slot 3 is for targets only Each active Ethernet controller on the Mercator requires a bus master slot J11 controls which slot numbers the onboard Ethernet controllers occupy For model MRC 100 XT only Ethernet A is present and configurable Note that for the dual port board it is possible to disable one port J11 Ethernet PCI Slot Selection Ethernet A Ethernet B B A both models MRC 224 XT In In Disabled Slot 0 In Out Slot 0 Slot 1 Out In Slot 1 Slot 2 Out Out Slot 2 Disabled 4 DIAMOND SYSTEMS CORPORATION Mercator User Manual V1 00 Page 7 6 MAP This section details the I O register map for the digital I O features of the MRC 224 XT 6 1 Overview The digital I O circuit on model MRC 224 XT occupies 4 bytes in ISA I O memory space A functional list of these registers is provided below and detailed register bit definitions are provided on the next page The information in this chapters is provided to assist in understanding the board s operation and for use by programmers writing their own driver software Diamond Systems Universal Driver software provides high level control of the board s functionality and will is
3. d Systems cable no C 26 18 3 55 x 3 775 PC 104 standard 5VDC 10 40 to 85 C 5 to 95 noncondensing Both PC 104 and PC 104 stackthrough headers installed 8 82C55 DIGITAL I O IC DATASHEET Mercator User Manual V1 00 Page 10
4. e Mercator provides one or two auto negotiating PC 104 Ethernet adapters with 24 optional lines of digital I O The digital I O on the MRC 224 model is provided by a standard 82C55 chip with 3 8 bit ports and programmable direction It is supported by Diamond Systems Universal Driver software for DOS Linux QNX and Windows The Mercator uses the National Semiconductor DP83815 Ethernet controller which incorporates both the physical layer PHY and Media Access Controller MAC on one chip The DP83815 is a bus mastering controller incorporating 4K of buffer memory Up to 200Mbs of throughput is available in full duplex operation on fast Ethernet segments Driver support for the DP83815 is available for most operating systems including Windows 95 98 ME NT 2K XP Linux QNX and DOS 2 FEATURES Ethernet Controllers IEEE 802 3 10Base T and 100Base TX compatible 10 100 auto negotiation provides support for Ethernet and Fast Ethernet networks PC 104 5V and 3 3V compatible Driver support for Windows 95 98 NT 2K XP Linux QNX and DOS Full duplex allows for up to 200Mbps for two way transmission between nodes on Fast Ethernet segments Both RJ 45 and straight headers provided for Ethernet cable attachment PCI slot selection for slots 0 1 and 2 Digital I O MRC 224 only 24 digital I O lines Programmable direction o System Features Extended temperature operation 40 to 85 C Locations fo
5. olate these underlying hardware details for most programmers Base Function 0 DIO port A 1 DIO port B 2 DIO port C 3 DIO Configuration Register 6 2 Register Definitions Base 0 Digital I O Register A Bit Name A7 AO Digital port A Base 1 Digital I O Register B Bit Name B7 BO Digital port Base 2 Digital I O Register Bit Name C7 C0 Digital I O port 4 DIAMOND SYSTEMS CORPORATION Mercator User Manual V1 00 Page 8 Base 3 Digital I O Configuration Register This control register determines the direction and mode of the 82C55 digital I O lines Most applications use the simple I O configuration in which bit 7 is set to 1 and the Mode is set to 0 for all ports Only the three port direction bits need to be set Note that the directions for Ports A and B are set for all 8 bits at once while the direction for each half of port C can be set independently Upper means bits C7 C4 and Lower means bits C3 CO For more complex operations with handshaking consult the 82C55 datasheet attached at the end of this manual Here is a list of common configuration register control bytes Digital I O Configuration Byte Base 3 Hex Decimal Port A Port B Port C both halves 9B 155 Input Input Input 92 146 Input Input Output 99 153 Input Output Input 90 144 Input Output Output 8B 139 Output Input Input 82 130 Output Input Output 89 137 Output Output Input 80 128 Output Ou
6. oller RJ 45 jacks These jacks accept standard Ethernet CAT 5 cabling with RJ 45 plugs and standard pinout 4 DIAMOND SYSTEMS CORPORATION Mercator User Manual V1 00 Page 5 4 2 Digital I O J8 MRC 224 XT only The digital is provided on a 26 pin 2x13 header with 0 1 contact spacing This connector may be used with Diamond Systems cable no C 26 18 which provides 26 pin female connector at each end 4 DIAMOND SYSTEMS CORPORATION Mercator User Manual V1 00 Page 6 5 5 1 BOARD CONFIGURATION Refer to the Mechanical Drawing on page 4 for locations of the configuration items mentioned here All configuration jumpers are dual row 2mm size Provision is made on the board for zero ohm resistors to replace jumpers to enable a hard wired configuration Digital I O Base Address J9 MRC 224 XT only Each I O board in your system must have a unique I O address range The first address in this range is called the base address The digital I O of the MRC 224 uses an I O range of 4 bytes The base address of this range is set with a portion of jumper block J9 located along the lower left portion of the board near the PC 104 bus connectors Although any of the following addresses are selectable certain locations are reserved or may cause conflicts with other system resources The default setting is 300 Hex JO Digital I O Base Address ISA Base Address Jumper Position Hex Decimal A B C 200 512 In In In 240 576
7. r Zero ohm resistors to replace jumpers for hard wired configuration 4 DIAMOND SYSTEMS CORPORATION Mercator User Manual V1 00 Page 3 3 MERCATOR BOARD DRAWING 3 775 2804 DIAMOND SYSTEMS CORP Feature descriptions Ji J2 J3 J4 J5 J6 J7 J8 J9 J11 PC 104 8 bit bus connector PC 104 16 bit bus connector PC 104 PCI connector Ethernet Controller B RJ 45 socket Ethernet Controller B locking header Ethernet Controller A RJ 45 socket Ethernet Controller A locking header Digital I O header Digital I O configuration jumper block PCI configuration jumper block 4 DIAMOND SYSTEMS CORPORATION Mercator User Manual V1 00 Page 4 4 HEADER PINOUT AND PIN DESCRIPTION 4 1 Ethernet Connectors J4 J5 J6 J7 Each Ethernet port is brought out to two connectors One is a standard RJ 45 female socket and the other is a 6 pin male right angle locking header Ethernet Controller 1 J6 RJ 45 socket J7 Straight header Ethernet Controller 2 model MRC 224 XT only J4 RJ 45 socket J5 Straight header The two different connection types are provided for cabling flexibility only You must NOT use both connections of one controller simultaneously J5 J7 Ethernet controller locking headers These connectors are Amp part no 640457 6 Mating connector housing is Amp 770602 6 or compatible and crimp terminals are Amp 770666 1 tin plated or 770666 2 gold plated or compatible J4 J6 Ethernet contr
8. tput Output peso fan GROUP B PORT C LOWER 1 INPUT 0 OUTPUT PORT B 1 INPUT 0 OUTPUT MODE SELECTION 0 MODE 0 1 MODE 1 GROUP A PORT C UPPER 1 INPUT 0 OUTPUT PORT A 1 INPUT 0 OUTPUT MODE SELECTION 00 MODE 0 01 MODE 1 1X MODE 2 MODE SET FLAG 1 ACTIVE 4 DIAMOND SYSTEMS CORPORATION Mercator User Manual V1 00 Page 9 7 SPECIFICATIONS Ethernet No of Ethernet controllers Protocol Maximum baud rate Digital I O No of I O lines Direction Input voltage Output voltage Output current Pull up resistors General I O headers Mating cables Dimensions Power supply Current consumption Operating temperature Operating humidity PC 104 bus 4 DIAMOND SYSTEMS CORPORATION 1 MRC 100 or 2 MRC 224 IEEE 802 3 10Base T and 100Base TX compatible 100Mbps 24 Programmable Ports A and B individually programmable for all input or all output Port C programmable in 4 bit groups for input or output Low 0 5V min 0 8V max High 2 0 5 5V max Low 0 0V min 0 4V max High 3 0 min Vcc 0 4V max 2 5mA max each line 10KQ all lines selectable with jumper Ethernet ports RJ 45 female sockets and 6 pin straight male headers Digital I O 26 pin 2x13 025 square pin header on 1 centers Ethernet ports RJ 45 sockets Standard CAT5 cable Pin headers Diamond Systems cable no C PRZ 02 Digital I O Diamon
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