Mercator II User Manual - Diamond Systems Corporation
Contents
1. gt nimimm A AEEEE bE MICREL KS78842 PMQLI 1127A7 2o zr EE lt lt tt 4i ii LIT erzi Qu T trim RIOTO EN Lad lo Ji e eeecaceceae Poveves te COITU O Trma TRN a I ze et r T US ys ESS t se L 1441 g SECCRECEROCRTECREE CRT ORE R ETRE ee eeeee PERTTI Seeeedeeearegadgeeererel PHIL J12 DIO iiu FIT J e Nl c3 b m OGI N UU HTTTTTTTTTTTTTTTTITTTTTTTTTTTITITITTIT MICREL KS 78BB427 PMOLI SS as vus er eer p s oii olen 7 AAA Coe eeeeeeteenrre 18 iiu FI IUN min P i JP3 tan E s alzi sS l nmm dui d aT l ee n BE eereeeeereateee 211293192022 F 4 be P me MHH LLILLLTTITTTITTTITITITTITITIIT HH EEUU IIPZIZIITITITTITIITTITITTITTITTITIEIIIIIIIT LILETEEEHETHEHEHHLEHEEEHEHEHEHEHELHEEE BER T zi PII Gut lee A e ET r mu ew A 1860 8411 e LX LJ I JP1 J102 J1 J2 Figure 2 Mercator Il Top Connectors and Jumpers Mercator Il User Manual Revision A 1 www diamondsystems com badaabbii ii tibii TIT J6 Port 1 E 9 Port 4 4 J8 Port 3 Page 7 piamonp SYSTEMS 5 CONNECTOR AND JUMPER LIST 5 1 Connector List The following table summarizes the functions of Mercator Il s interface connectors Refer to Figure 2 f2. B6 DRQ2 IRQ12 D5 C5 LA20 SD2 A7 B7 12V IRQ15 D6 C6 LA19 SD1 A8 B8 SRDY IRQ14 D7 C7 LA18 Spo A9 B9 412V DACKO D8 C8 LA17 IOCHRDY A10 B10 KEY DRQO D9 C9 MEMR AEN A11 B11 SMEM DACK5 D10 C10 MEMW SA19 A12 B12 SMEM DRQ5 D11 C11 SD8 SA18 A13 B13 IOW DACK6 D12 C12 SD9 SA17 A14 B14 IOR DRQe D13 C13 SD10 SA16 A15 B15 DACK3 DACK7 D14 C14 spit SA15 A16 B16 pRQ3 DRQ7 D15 C15 SD12 SA14 A17 B17 DACK1 45V D16 C16 SD13 SA13 A18 B18 DRQI MASTER D17 C17 SD14 SA12 A19 B19 REFRE GND D18 C18 SD15 SA11 A20 B20 BCLK GND D19 C19 KEY SA10 A21 B21 IRQ7 SA9 A22 B22 RQ6 SA8 A23 B23 IRQ5 SA7 A24 B24 IRQ4 SA6 A25 B25 IRQ3 SA5 A26 B26 DACK2 SA4 A27 B27 TC SA3 A28 B28 BALE SA2 A29 B29 45V SA1 A30 B30 OSC SAO A31 B31 GND GND A32 B32 GND Page 10 6 2 PC 104 Plus PCI Connector J3 Q oiamonn SYSTEMS The PC 104 Plus bus is essentially identical to the PCI Bus except for the physical design A single pin and socket connector is specified for the bus signals A 120 pin header J3 arranged as four 30 pin rows incorporates a full 32 bit 33MHz PCI Bus The additional pins on the PC 104 P us connectors are used as ground or key pins The female sockets on the top of the board enable stacking another PC 104 Plus board on top of the Mercator Il board In the connector J3 pinout tabl
3. of two Micrel dual 10 100 Ethernet switches Each chip has a unique MAC address therefore only two Ethernet ports are visible to the end user for active communication The other two ports work in switch fashion to enable daisy chaining of networks with one port on the chip as an uplink to a network while the other port provides active communication on the network The Micrel switch chip has a feature of accepting additional MAC addresses This feature is enabled only in the Linux driver and is not supported in Windows The feature can be enabled in the Linux driver by supplying a multi dev21 parameter to the driver This can be done using the insmod command for dynamic driver uploading or putting ksz884x multi_dev 1 in the Linux command line This command turns off the switch capability and operates each port on the chip independently Each chip has an independent PCI interface for communication with the host CPU and each port contains its own magnetics to provide a complete circuit All of the four ports are brought out to one of two 6 pin connectors 3 3 PCI Slot Configuration The PCI slot for each switch chip is selected with bus switches on jumper block JP1 The available slot options are 0 1 1 2 and 2 3 The bus switches select which set of PCI signals are used by each of the switches Request Grant Clock ID select and Interrupt The slot selection is configured with a jumper block JP1 All jumper positions are labeled with their
4. DIAMOND S YSTEMS Mercator Il User Manual PC 104 Plus I O Module with 2 Dual 10 100 Ethernet Switches and DIO a bd gt pus 4 CEEGEECD SOSERETE TIETETIET TIEMTERT SEMANS SLEEEEEEEEE HAST S 18 YIII 13333117 131111 1331111311 eee eee Arria DIDI LR y H iig fe LI ET IIIIPIIIILS uhin Rae RAD bast seting eis Y inni n n n da ty et Lii FIT p je gni ow A LU TUTET YY EAR EERE P e TITTTIT nnms PL PP 2d brat AT a ETT l i 4 ecececeacae EUH LUI TRUTT ADM iiu FIT TITTTTT EZEZZEIIIINIII 2 127631 prar TYTTTITIZ id 7 zc A OU a i MICREL KS7BB42 1N50 8411 TIT x x yervyrIrF ys 822i na ls r pamm pem yc Dm17 EE EIEERIFE E BS A 2 6 v7 eue nmn pg A 1890 8411 Revision Dae Comment 11 19 2012 Initial Release 5 2 13 Minor update with enhanced Ethernet description Copyright 2012 FOR TECHNICAL SUPPORT Diamond Systems Corporation PLEASE CONTACT 555 Ellis Street Mountain View CA 94043 USA support diamondsystems com Tel 1 650 810 2500 Fax 1 650 810 2525 www diamondsystems com iamonp SYSTEMS CONTENTS 1 Important Safe Handling Information ccccseeeeeeeeeeeeeeeeeeeeeeeeeesseseeeeeeeeoeesaseeeeeeeeooeesssseeeeseaooeennseeeenssaoes 3 2 DTO ON RN MEET ene eee ed eee ween eee
5. NDLING INFORMATION WARNING ESD Sensitive Electronic Equipment Observe ESD safe handling procedures when working with this product Always use this product in a properly grounded work area and wear appropriate ESD preventive clothing and or accessories Always store this product in ESD protective packaging when not in use Safe Handling Precautions The Epsilon board contains a high density connector with many connections to sensitive electronic components This creates many opportunities for accidental damage during handling installation and connection to other equipment The list here describes common causes of failure found on boards returned to Diamond Systems for repair This information is provided as a source of advice to help you prevent damaging your Diamond or any vendor s boards ESD damage This type of damage is usually almost impossible to detect because there is no visual sign of failure or damage The symptom is that the board eventually simply stops working because some component becomes defective Usually the failure can be identified and the chip can be replaced To prevent ESD damage always follow proper ESD prevention practices when handling computer boards Damage during handling or storage On some boards we have noticed physical damage from mishandling A common observation is that a screwdriver slipped while installing the board causing a gouge in the PCB surface and cutting signal traces or damaging com
6. ated Common RX TX TX Connector Type 2mm single row right angle locking pin header with tin plating TE Electronics Tyco Amp part number 640457 6 or equivalent 6 4 Digital I O Connector J12 The digital I O is provided on a 26 pin right angle header The digital I O connector pin out is as follows cz 18 26 ce c5 12 25 c4 ca 02 c 10 23 co 87 o 22 Be as B a1 B4 B3 B2 5 6 19 Bo AT A6 A5 M A3 A2 M AO 5V GND Connector Type Right angle 26 pin 2x13 header Samtec IPL1 113 01 L D RA K connector 6 5 Ethernet LED Connector J102 Connector J12 provides access to the LEDs for the four Ethernet ports for use in a custom panel display Ground 2 1 3 3VDC P1LED1 4 3 P2LEDI P1LED2 6 5 P2LED2 P3LEDi 8 7 PALEDI P3LED2 10 9 P4LED2 Connector Type 2x5 2mm pitch right angle pin header with tin plating Mercator Il User Manual Revision A 1 www diamondsystems com Page 12 f 7 1 7 2 SPECIFICATIONS General Functions 4 10 100 Ethernet Ports IEEE 802 3 10Base T and 100Base TX compatible Maximum data rate 100Mbps Ethernet Connectors 4 6 pin right angle male headers 24 programmable digital I O lines Input voltage Low 0 5V min 0 8Vmax High 2 0V min 5 5V max Output voltage Low 0 0V min 0 4V max High 3 0V min Vcc 0 4V max Output current 2 5mA max on each line Jumper configurable pull up pull down configuration Mechanical Ele
7. before being damaged However logic signals at 12V and even 24V are common and if one of these is connected to a 5V logic chip the chip will be damaged and the damage could even extend past that chip to others in the circuit Mercator Il User Manual Revision A 1 www diamondsystems com Page 3 piamonp SYSTEMS 2 INTRODUCTION Mercator II is a PC 104 Plus I O module with two dual 10 100 Ethernet switches Each switch occupies a single PCI slot All four Ethernet ports are brought out to a 6 pin header 24 digital I O lines are available on a 26 pin header The board contains both PC 104 ISA and PC 104 Plus PCI stackthrough connectors All circuitry is driven by and accessed by the PCI bus the ISA connector is only used for pass through Mercator ll requires 4 5 VDO input power and operates over the industrial temperature range of 40 C to 85 C 2 1 Main Feature List Two dual 10 100 Ethernet switches Four Ethernet ports accessible with pin headers On board magnetics for a complete circuit for each port On board status LEDs plus connector for off board LED access selectable PCI slots 0 1 1 2 and 2 3 24 digital I O lines 9 gt 9 2 2 Operating Systems Support Windows Embedded Standard 7 Linux 2 6 xx 2 3 Mechanical and Environmental PC 104 form factor 3 55 x 3 775 PCI interface is compatible with both 5V and 3 3V bus signaling Power input 5VDC 596 9 9 40 C to 85 C ambi
8. ctrical Environmental PC 104 Plus form factor 3 55 x 3 755 Both PC 104 and PC 104 Plus stack through headers installed Operating temperature of 40 C to 85 C ambient without a fan Operating humidity of 596 to 9596 non condensing MIL STD 202G compatible Power input requirements 5VDC 5 MTBF xxxxxx hours Weight 3 20z 90 79 RoHS compliant Mercator Il User Manual Revision A 1 www diamondsystems com iamonp SYSTEMS Page 13
9. e below the top corresponds to the left edge of the connector when the board is viewed from the primary side the side with the female end of the PC 104 P us connector and the board is oriented so that the PC 104 connectors are along the bottom edge of the board and the PC 104 Plus connector is in the top of the board Pin Row A GND 5 0V KEY VI O ADO5 C BEO GND AD11 AD14 3 3V SERR GND STOP 3 3V FRAME GND AD18 AD21 3 3V IDSELO AD24 GND AD29 5V HEQO GND GNT1 5V CLK2 GND 12V 12V Mercator Il User Manual Revision A 1 Row B Reserved ADO2 GND ADO7 ADO9 VI O AD13 C BE1 GND PERR 3 3V TRDY GND AD16 3 3V AD20 AD23 GND C BES AD26 5V AD30 GND REQ2 VI O CLKO 5V INTD INTA REQ3 Row C 5V ADO1 AD04 GND ADOS AD10 GND AD15 Reserved 3 3V LOCK GND IRDY 3 3V AD17 GND AD22 IDSEL1 VI O AD25 AD28 GND REQ1 5V GNT2 GND CLK3 5V INTB GNT3 www diamondsystems com Row D ADOO 5V ADOS3 ADO6 GND M66EN AD12 3 3V PAR Reserved GND DESEL 3 3V C BE2 GND AD19 3 3V IDSEL2 IDSEL3 GND AD27 AD31 VI O GNTO GND CLK1 GND RST INTC GND 3 3V KEY Page 11 Q oiamonn SYSTEMS 6 3 Ethernet Connectors J6 J7 J8 J9 Each Ethernet port has a six pin 1x6 right angle friction lock pin header The four Ethernet pin headers and their corresponding port numbers can be found in Figure 2 Isolated Common RX Isol
10. eeeceeeeeceaeeeseeceeeeeeeaeeeseceeeeeeeseeeaeceeeeeeesseeeaeeeeeesssseaaseeeeeeesssaaagases 9 6 Connector Pinout and Pin Description 1 1 leeeee ce eie eeee renes eene nene a nhan nnn annua a oaa n aaa n mr naas 10 6 1 PC 104 Connectors J1 and J2 eeesssssessisssseeseee sienne nennen nnn nnnnna nnn nns nn aar n nnns nna a anres snas nna 10 62 PC 104 Pius PCI Connector UO aec eor taceo in sta sottostante NANANA NEONA C ae xa arua Dn coa vare re otto nha ntes 11 6 3 Ethernet Connectors J6 J7 J8 JQ cceccccceeccccceeeceeceeeceeeseeeceeseeeceeseuuceesseeecesseeeeeessaueeesaeaeeesseeeeeesaneeeeeas 12 6 4 Digital l O Connector J12 ccccccccscsesececceceseeeeeescseneeesecseeceesecusaeeeesecesaeeesscasseeeesscasseeeesscesaeeeessoeseeeesees 12 6 5 Ethernet LED Connector J102 eesssssssssissssseeeeeeeeeen nnne nennen nnn nsn nain nnns inna ann r sss n a ann nnn 12 7 SOC INC lllo dm HEC 13 MEC Or aUe ARCET m 13 7 2 Mechanical Electrical Environmental sesseseesenm Hmm m In mem mere nemen met renes ee serere ns 13 PC 104 and PC 104 Plus are trademarks of the PC 104 Embedded Consortium All other trademarks are the property of their respective owners Mercator Il User Manual Revision A 1 www diamondsystems com Page 2 Q oiamonn SYSTEMS 1 IMPORTANT SAFE HA
11. ent operating temperature with convection cooling 2 4 Model Numbers Model Number Description MRC 424 XT PC 104 Plus dual PCI 2 port Ethernet switch and 24 digital I O 2 5 Cable List Part Number Cable Description C PRZ 02 Ethernet pin header cable 6 pin header to RJ 45 C 26 18 Digital I O cable Mercator Il User Manual Revision A 1 www diamondsystems com Page 4 piamonp SYSTEMS 3 FUNCTIONAL OVERVIEW 3 1 Functional Block Diagram Mercator ll Block Diagram Port 1 i Magnetics T1 dria Ethernet MAC PHY l ma Port 6 Pins KSZ8842 sid isti d Header Port 3 6 Pins PCIBus Header PCI Bus Ethernet MAC PHY Port 4 6 Pins KSZ8842 Magnetics T4 f Header PC104 Plus PCI Bus ISA Bus 2X13 8255 DIO 0 1 Header PC 104 ISA Bus Wersion 1 Figure 1 Functional Block Diagram Mercator ll is a PC 104 Plus I O module with two dual 10 100 Ethernet switches Each switch occupies a single PCI slot Each Ethernet port is brought out to a 6 pin header The board contains both PC 104 ISA and PC 104 Plus PCI stackthrough connectors All circuitry is driven by and accessed by the PCI bus the ISA connector is only used for pass through Mercator Il requires 5VDC input power and operates over the industrial temperature range of 40 C to 85 C Mercator II User Manual Revision A 1 www diamondsystems com Page 5 Q oiamonn SYSTEMS 3 2 Ethernet The Ethernet circuits consist
12. function on board As an optional assembly option 0 ohm resistors may be installed in place of the jumpers for a more rugged assembly 3 4 Ethernet LEDs Each Ethernet port has 2 LED signals Link and Speed that drive LEDs on the board and may also be used to drive indicator LEDS on a panel via the LED pin header connection 3 5 Digital I O Ports The DIO circuits consist of an 82c55 and a CPLD that provides the base address decoding logic for the 8255 The DIO circuit occupies 4 bytes in the ISA space in the form of 4 8 bit wide registers to access the DIO lines and configure them in input output modes The DIO ports are available as 2 byte wide ports namely Port A and Port B and 2 4 bit wide ports named Ports CH and CL The DIO ports are accessible via the PC 104 address space and the address decoding logic is provided by a CPLD The DIO ports can be configured at various addresses using 3 jumpers The board will default at base address of 0x300 Mercator Il User Manual Revision A 1 www diamondsystems com Page 6 4 MERCATOR Il BOARD OUTLINE AND LAYOUT pomo SYSTEMS The following diagram shows the locations for all connectors and jumpers which are described in the next sections J3 aM i w fh i JP2 saa La eS s n e rie TTTTTTTTD Thr HETEETESEHEEHELLTTER EET EET TTT CH Rind ER AB 4 Sone E 1 ee L coo pui mmm TITTHT niinus TT itg Switch TA T i 5 Ls FI iJ eet ne i i ix
13. nector pins or fragile components Power supply wired backwards Our power supplies and boards are not designed to withstand a reverse power supply connection This will destroy each IC that is connected to the power supply i e almost all ICs In this case the board will most likely will be unrepairable and must be replaced A chip destroyed by reverse power or by excessive power will often have a visible hole on the top or show some deformation on the top surface due to vaporization inside the package Check twice before applying power Overvoltage on analog input If a voltage applied to an analog input exceeds the design specification of the board the input multiplexor and or parts behind it can be damaged Most of our boards will withstand an erroneous connection of up to 35V on the analog inputs even when the board is powered off but not all boards and not in all conditions Overvoltage on analog output If an analog output is accidentally connected to another output signal or a power supply voltage the output can be damaged On most of our boards a short circuit to ground on an analog output will not cause trouble Overvoltage on digital I O line If a digital I O signal is connected to a voltage above the maximum specified voltage the digital circuitry can be damaged On most of our boards the acceptable range of voltages connected to digital I O signals is 0 5V and they can withstand about 0 5V beyond that 0 5 to 5 5V
14. nedoe cee cide ene denaeeseeeneeeet sarees 4 MEE i is ci mRMRTm 4 2 2 Operating Systems SUppOLT entran eto nn phan nio neue R kk r0 ARE Y Xax EXER ana REENER enai RAN XXX REX eX des RRRRy YER RANE 4 2 3 Mechanical and Environmental cccccccccsseccceseeeceeceeceeeeeeeececsaeeeseueeeseucesseueeesaeeessaeeeseueessegeesseeesseeeesaneeess 4 24 Model NUMDOIS RETE ETE mm 4 20 GADE E T E 4 3 F h Uonal OvervieW m i i a aa aiai 5 31 Funcional Block B o UT c m n Aae a Eear AEE RRN Ere ESR AEREE 5 22 E NE ae E E a E E E 6 323 POMSICECORMOAMN pz tio MERE 6 Sr M Em TMO o X XX 6 S rs MOVIE OP ONS o EE E E E E E E E E A E E E EE 6 4 Mercator Il Board Outline and Layout ccccccsssssssseeeeeeeeeceeeesseeeeeeeeeeeeessneeeeeeeeooeesssseeeeeeeeooenssseeeeeseeooannnes 7 5 elis orelu eleiilnisi ai PIU 8 5 1 COMME COR LIS ace 8 5 2 PCI Slot Configuration Jumper Block JP1 ou eecccccccsseeeeeeecaeeeeeeeeesaeeeeeeeseeeeeeeeesseaseeeeeseaaseeeesseaeeeeeesaaees 8 5 3 Digital 1 O Pull up Pull down Jumper JP2 ssseeseisssssseeeeeennneeennnnnnn nnne nnne nnn nnns 8 5 4 Digital l O Base Address UPS ccccccccccsssse
15. or the locations of these connectors on Mercator II Signal functions relating to all of Mercator II s interface connectors are discussed in greater detail in Section 5 of this document Connector Function J1 amp J2 PC 104 Expansion bus connectors J3 PC 104 Plus PCI connector J6 J7 J8 J9 Ethernet pin headers x4 J102 LED pin header 5 2 PCI Slot Configuration Jumper Block JP1 The PCI slot for each switch chip is selected with bus switches on jumper block JP1 The available slot options are 0 1 1 2 and 2 3 The bus switches select which set of PCI signals are used by each of the switches Request Grant Clock ID select and Interrupt The slot selection is configured with jumper block JP1 using the following settings Jumper 1 2 Jumper 3 4 Switch 1 Switch 2 Out Out 2 3 In Out 1 2 default default Out In 0 1 In In Invalid Invalid All jumper positions are labeled with their function on board 5 3 Digital I O Pull up Pull down Jumper JP2 The digital I O lines can be set with a pull up or pull down configuration using jumper JP2 Configuration Jumper JP2 Pull up Between pins 1 amp 2 default Pull down Between pins 1 amp 3 Mercator Il User Manual Revision A 1 www diamondsystems com Page 8 iamonp SYSTEMS 5 4 Digital I O Base Address JP3 The DIO ports are accessible via the PC 104 address space and the address decoding logic is provided by a CPLD The DIO ports can be configured at various addresses
16. ponents Another common observation is damaged board corners indicating the board was dropped This may or may not cause damage to the circuitry depending on what is near the corner Most of our boards are designed with at least 25 mils clearance between the board edge and any component pad and ground power planes are at least 20 mils from the edge to avoid possible shorting from this type of damage However these design rules are not sufficient to prevent damage in all situations A third cause of failure is when a metal screwdriver tip slips or a screw drops onto the board while it is powered on causing a short between a power pin and a signal pin on a component This can cause overvoltage power supply problems described below To avoid this type of failure only perform assembly operations when the system is powered off Sometimes boards are stored in racks with slots that grip the edge of the board This is a common practice for board manufacturers However our boards are generally very dense and if the board has components very close to the board edge they can be damaged or even knocked off the board when the board tilts back in the rack Diamond recommends that all our boards be stored only in individual ESD safe packaging If multiple boards are stored together they should be contained in bins with dividers between boards Do not pile boards on top of each other or cram too many boards into a small location This can cause damage to con
17. using 3 jumpers A B C as shown in the table below The board will default at base address of 0x300 ISA Base Address Jumper Position Hex Decimal A B C 200 512 In In In 240 576 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 Mercator Il User Manual Revision A 1 www diamondsystems com Page 9 iamonp SYSTEMS 6 CONNECTOR PINOUT AND PIN DESCRIPTION 6 1 PC 104 Connectors J1 and J2 Connectors J1 and J2 are provided as a passthrough ISA bus which allows Mercator II to be incorporated into a PC 104 stack The PC 104 stackable bus is supported by a standard PC 104 ISA stackable expansion bus connector The four row 104 pin female header connector is actually broken into two pieces J1 A B J2 C D with the pin assignment shown below Note For more information on the PC 104 specification visit the PC 104 Embedded Consortium website at http www pc104 org J1 PC 104 8 bit bus connector J2 PC 104 16 bit bus connector Mercator Il User Manual Revision A 1 www diamondsystems com IOCHK Al B1 GND GND DO CO GND SD7 A2 B2 RESET MEMCS 1 D1 C1 SBHE Spe A3 B3 45V lOCS16 D2 C2 LA23 SD5 A4 B4 IRQ9 IRQ10 D3 C3 LA22 SD4 AS BS 5V IRQ11 D4 C4 LA21 SD3 A6
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