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Special Registers

EPM-15 Reference Manual

RS-485/422 Transmit/Receive Control Register

RS485/422 (READ/WRITE) 1DAh

D7 D6 D5 D4 D3 D2 D1 D0

Reserved COM4TE485

COM4RE4XX COM4TE422

Reserved COM3TE485

COM3RE4XX

COM3TE422

Table 19: RS-485/422 Tx/Rx Register Bit Assignments

Bit Mnemonic Description

Reserved

This bit has no function.

COM4TE485

COM4 RS-485 Transmit Enable

— Controls RS-485 Tx on COM4.

0 =

Disable RS-485 transmitter on COM4.

1 =

Enable RS-485 transmitter on COM4.

COM4RE4XX

COM4 RS-485/422 Receive Enable

— Controls RS-485/422 Rx on COM4.

0 =

Disable RS-485/422 receiver on COM4.

1 =

Enable RS-485/422 receiver on COM4.

COM4TE422

COM4 RS-422 Transmit Enable

— Controls RS-422 Tx on COM4.

0 =

Disable RS-422 transmitter on COM4.

1 =

Enable RS-422 transmitter on COM4.

D3 Reserved

Reserved

— This bit has no function.

COM3TE485

COM3 RS-485 Transmit Enable

— Controls RS-485 Tx on COM3.

0 =

Disable RS-485 transmitter on COM3.

1 =

Enable RS-485 transmitter on COM3.

COM3RE4XX

COM3 RS-485/422 Receive Enable

— Controls RS-485/422 Rx on COM3.

0 =

Disable RS-485/422 receiver on COM3.

1 =

Enable RS-485/422 receiver on COM3.

COM3TE422

COM3 RS-422 Transmit Enable

— Controls RS-422 Tx on COM3.

0 =

Disable RS-422 transmitter on COM3.

1 =

Enable RS-422 transmitter on COM3.

Содержание EPM-15

Страница 1: ...Reference Manual DOC REV 11 30 2010 EPM 15 Manx AMD LX Based SBC with Ethernet Video and PC 104 Plus interface ...

Страница 2: ... this document is error free VersaLogic makes no representations or warranties with respect to this product and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose VersaLogic reserves the right to revise this product and associated documentation at any time without obligation to notify anyone of such changes PC 104 and the PC 104 logo are trademar...

Страница 3: ...uction only No customer releases Support Page The EPM 15 support page at http www versalogic com private manxsupport asp contains additional information and resources for this product including Reference Manual PDF format Operating system information and software drivers Data sheets and manufacturers links for chips used in this product BIOS information and upgrades Utility routines and benchmark ...

Страница 4: ...hysical Details 13 Dimensions 13 EPM 15 Dimensions and Mounting Holes 13 CBR 5010 Dimensions and Mounting Holes 14 Hardware Assembly 15 Stack Arrangement Example 15 EPM 15 External Connectors 16 EPM 15 Connector Locations Bottom 17 EPM 15 Connector Functions and Interface Cables 18 Breakout Board Connectors 19 CBR 5010 Connector Locations 19 CBR 5010 Connector Functions and Mating Connectors 19 Ju...

Страница 5: ...LED 30 IDE LED 30 Internal Speaker 30 Push Button Reset 30 Parallel Port 31 Video Interface 32 Configuration 32 Video BIOS Selection 32 SVGA Output Connector 32 LVDS Flat Panel Display Connector 33 Compatible LVDS Panel Displays 34 Console Redirection 34 Ethernet Interface 36 BIOS Configuration 36 Status LED 36 Ethernet Connector 36 Audio 37 Software Configuration 37 CPU Temperature Monitor 37 PC ...

Страница 6: ...Contents EPM 15 Reference Manual vi Jumper and Status Register 43 RS 485 422 Transmit Receive Control Register 44 Appendix A References 45 Appendix B Generated Frequencies 46 ...

Страница 7: ...he EPM 15 is a PC 104 Plus compliant single board computer with an AMD LX processor The board is compatible with popular operating systems such as Windows QNX VxWorks and Linux The EPM 15 features high reliability design and construction including friction latching I O connectors voltage sensing reset circuits and self resetting fuses on the 5V supply to the USB ports EPM 15 boards are subjected t...

Страница 8: ...Video Interface Up to 1280 x 1024 24 bits Standard RGB analog output VESA DDC not supported LVDS output for TFT FPDs IDE Interface One channel 44 pin 2mm connector Supports up to and including ATA 100 Supports two Parallel ATA IDE devices hard drive CD ROM CF etc Compact Flash Shares IDE channel master or slave Ethernet Interface EPM 15g h Intel 82551ER based 10BaseT 100BaseTX Fast Ethernet Contro...

Страница 9: ... 000 MHz 48 000 MHz PWRBTN SOFT PWR BUTTON ACPI DISABLE JUMPER PCI Connector USB 2 0 4 Ports RS 485 422 2 Ports Connector I O Connector Intel 10 100M IDE RS 232 CPLD ISA Bridge AMD LX CPU AMD CS5536 I O Companion Series Terms System Clocking MK1491 09 FP LVDS National DS90C383A FS2 JTAG Pads Audio Series Terms CompactFlash Connector BIOS ISA Connector ACPI Disable PWR Control PCI Arbitration SMSC ...

Страница 10: ...V 1A 1 5V 2 3A 1 2V 200 mA 3 3V 1 4A DDR VTT REF DDR VTT REF2 CPU VMEM CPU VCORE CS5536 VCORE CPU and CS5536 VIO POR TO CS5536 CS5536 Standby CS5536 CPLD Standby CS5536 Standby EIRQ1_3V EXTERNAL WAKE PWRBTN SOFT PWR BUTTON WORK_AUX EN PWR EN PWR LTC3412 LTC3412 LTC3412 I809 Si233DS MOSFET RESISTOR DIVIDER RESISTOR DIVIDER LTC3025 PWR CONTROL TPS79912 TPS79933 ...

Страница 11: ...ponents The circuit board must only be handled at an ESD workstation If an approved station is not available some measure of protection can be provided by wearing a grounded antistatic wrist strap Keep all plastic away from the board and do not slide the board over any surface After removing the board from its protective wrapper place the board on a grounded static free surface component side up U...

Страница 12: ...itry with your fingers Though it will not damage the circuitry it is possible that small amounts of oil or perspiration on the skin could have enough conductivity to cause the contents of CMOS RAM to become corrupted through careless handling such as when changing the CompactFlash module resulting in CMOS resetting to factory defaults ...

Страница 13: ...name of a technician or engineer that can be contacted if any questions arise Quantity of items being returned The model and serial number barcode of each item A detailed description of the problem Steps you have taken to resolve or recreate the problem The return shipping address Warranty Repair All parts and labor charges are covered including return shipping charges for UPS Ground delivery to U...

Страница 14: ...indows or other OS installation CD Basic Setup The following steps outline the procedure for setting up a typical development system The EPM 15 should be handled at an ESD workstation or while wearing a grounded antistatic wrist strap Before you begin unpack the EPM 15 and accessories Verify that you received all the items you ordered Inspect the system visually for any damaged that may have occur...

Страница 15: ...e cable and board are shipped attached Plug a USB keyboard and USB floppy drive into socket J4 of the breakout board Plug the hard drive data cable CBR 4406 into socket J7 Attach a hard drive and CD ROM drive to the connectors on the cable If the hard drive is 3 5 use the 2mm to 0 1 adapter CBR 4405 to attach the IDE cable Attach an ATX power cable to any 3 5 drive hard drive or CD ROM drive Set t...

Страница 16: ... ASSIGNMENT ORDER Drive C Ide 0 Pri Master ATA DRV ASSIGNMENT Ide 0 3 AUTOCONFIG LBA ATA DRV ASSIGNMENT Ide 1 5 IDE CDROM BOOT ORDER Boot 1st CDROM BOOT ORDER Boot 2nd Drive C Before saving the CMOS Setup settings insert the Windows or other OS installation disk in the CD ROM drive so it will be accessed when the system reboots Press ESC and select the option to save the new parameters to CMOS RAM...

Страница 17: ...installed Ide 3 Not installed 219MB Features Configuration System BIOS Setup Features Configuration C 2005 General Software Inc All rights reserved ACPI 1 0 Enabled System Management Mode Enabled POST Memory Manager Disabled Splash Screen Disabled System Management BIOS Enabled Primary IDE UDMA Enabled Console Redirection Auto Firmbase Debug Console None UsbMassStorage Enabled Usb20 Enabled Custom...

Страница 18: ... at E800 Enabled Shadow 16KB ROM at EC00 Enabled Shadow 64KB ROM at F000 Enabled Note Due to changes and improvements in the system BIOS the information on your monitor may differ from that shown above Operating System Installation The standard PC architecture used on the EPM 15 makes the installation and use of most of the standard x86 processor based operating systems very simple The operating s...

Страница 19: ... 15 complies with all PC 104 Plus standards Dimensions are given below to help with pre production planning and layout All dimensions are in inches Drawings are not to scale Figure 4 EPM 15 Dimensions 3 3 0 200 3 175 3 375 3 275 0 100 0 000 0 150 3 050 3 700 0 550 0 200 0 000 3 150 3 350 3 575 0 200 ...

Страница 20: ...Physical Details EPM 15 Reference Manual 14 CBR 5010 DIMENSIONS AND MOUNTING HOLES Figure 5 CBR 5010 Dimensions 1 95 1 575 1 875 1 38 0 065 5 50 5 10 1 175 ...

Страница 21: ...secured to a base plate When bolting the unit down make sure to secure all four standoffs to the mounting surface to prevent circuit board flexing Standoffs are secured to the top circuit board using four pan head screws See page 13 for dimensional details Standoffs and screws are available as part number VL HDW 101 An extractor tool is available part number VL HDW 201 to separate the PC 104 modul...

Страница 22: ...al Connectors Figure 7 EPM 15 Connector Locations Top CPU J4 Ethernet J5 LPT J7 IDE J1 Video Output J8 Standard I O COM USB timer inputs reset LED speaker J9 Main Power Pin 1 J10 PC 104 C0 D0 D1 C1 B1 A1 J2 PC 104 Plus J13 Audio Battery B1 A1 J6 CompactFlash ...

Страница 23: ...etails EPM 15 Reference Manual 17 EPM 15 CONNECTOR LOCATIONS BOTTOM Figure 8 EPM 15 Connector Locations Bottom PC 104 Plus PCI pass through male J12 LVDS PC 104 ISA pass through male Pin 1 D1 C1 B1 A1 B1 A1 C0 D0 ...

Страница 24: ...hing two 44 pin 2mm 3 303 1 937 27 J8 COM ports USB ports DB 9 timer inputs push button reset PC speaker LED FCI 89361 350LF CBR 5009A 50 pin standard I O cable to breakout board CBR 5010 3 551 2 172 29 J9 Main Power Input Berg 69176 010 housing Berg 47715 000 pins CBR 1008 Interface from standard ATX power supply 0 275 4 0 075 22 J10 PC 104 ISA AMP 1375795 2 0 050 0 200 15 J11 2 Process JTAG DBUG...

Страница 25: ...nector Description J1 High Density Connector FCI 98414 F06 50ULF 2mm 50 pin keyed latching header J2 ACPI Pushbutton Input Conta Clip 10250 4 5 pin screw terminal J3 COM1 Kycon K42 E9P P A4N DB 9 male J4 USB 0 3 USB Type A USB Type A J5 COM4 Conta Clip 10250 4 5 pin screw terminal J6 COM3 Conta Clip 10250 4 5 pin screw terminal J1 Paddle Board J5 COM4 J6 COM3 J3 COM1 J4 USB0 3 IDE LED top PLED bot...

Страница 26: ...PM 15 Reference Manual 20 Jumper Blocks JUMPERS AS SHIPPED CONFIGURATION Figure 10 Jumper Block Locations Jumper block V1 was labeled V5 on revision 3 xx and earlier boards V2 3 1 2 2 4 6 1 3 5 7 8 V4 1 1 2 2 V1 or V5 V3 ...

Страница 27: ...Note Places terminating resistor across COM3 RS 485 TXRX TXRX or RS 422 RX RX differential pair In 27 V4 1 2 CompactFlash Master Slave Selector In Compact Flash Master Device Out Compact Flash Slave Device In V4 3 4 Video BIOS Selector In Primary Video BIOS selected Out Secondary Video BIOS selected Note The secondary Video BIOS is field upgradeable using the BIOS upgrade utility See the private s...

Страница 28: ...drop Some manufacturers include a pin 1 indicator on the crimp housing that corresponds to pin 10 of the pinout shown in Figure 11 Table 4 Main Power Connector Pinout J9 Pin Signal Name Description 1 GND Ground 2 5VDC Power Input 3 GND Ground 4 12VDC Power Input 5 GND Ground 6 12VDC Power Input 7 3 3VDC Power Input 8 5VDC Power Input 9 GND Ground 10 5VDC Power Input Figure 11 shows the VersaLogic ...

Страница 29: ...lode if mistreated Do not recharge disassemble or dispose of in fire Dispose of used batteries promptly Normal battery voltage should be at least 3 0V If the voltage drops below 2 7V contact the factory for a replacement part number T HB3 0 1 The life expectancy under normal use is approximately 10 years CPU The AMD LX microcontroller has a 32 bit low voltage AMD x86 microprocessor at its core The...

Страница 30: ...s to be serviced by the factory DEFAULT CMOS RAM SETUP VALUES After CMOS RAM is cleared the system will load default CMOS RAM parameters the next time the board is powered on The default CMOS RAM setup values will be used in order to boot the system whenever the main CMOS RAM values are blank or when the system battery is dead or has been removed from the board Real Time Clock The EPM 15 features ...

Страница 31: ... off The contents of main memory when the computer wakes from standby are the same as when it was put into standby SETUP To set up the EPM 15 to use ACPI power management 1 Verify that the CMOS Setup ACPI 1 0 setting is set to Enabled This is the default setting 2 If you plan to use a pushbutton or relay for wakeup remove the jumper from jumper block V4 7 8 Removing this jumper enables the ACPI pu...

Страница 32: ...SetSystemPowerState BOOL fSuspend BOOL fForce Parameters fSuspend in If this parameter is TRUE the system is suspended If the parameter is FALSE the system hibernates This parameter is ignored in Windows Me 98 95 fForce in If this parameter is TRUE the function broadcasts a PBT_APMSUSPEND event to each application and driver then immediately suspends operation If the parameter is FALSE the functio...

Страница 33: ... address space is available to the PC 104 ISA bus All serial ports are protected against ESD damage This protection exceeds the 15KV human body model COM PORT CONFIGURATION There is no configuration jumper for COM1 because it operates only in RS 232 mode Jumper blocks V1 labeled V5 on 3 xx and earlier boards and V3 are for termination of the RS 422 485 differential pairs See Table 3 for details on...

Страница 34: ...in the data cable Table 5 J7 IDE Hard Drive Connector Pinout Pin Signal Name Function Pin Signal Name Function 1 Reset Reset signal from CPU 23 DIOW I O write 2 Ground Ground 24 Ground Ground 3 DD7 Data bus bit 7 25 DIOR I O read 4 DD8 Data bus bit 8 26 Ground Ground 5 DD6 Data bus bit 6 27 IORDY I O ready 6 DD9 Data bus bit 9 28 CSEL Cable select 7 DD5 Data bus bit 5 29 DMACK DMA acknowledge 8 DD...

Страница 35: ...2 J4 BM1 5V Protected 7 4 Data Terminal Ready 33 BM3 Channel 2 Data 8 9 Ring Indicator 34 BM2 Channel 2 Data 9 5 Ground 35 USB3 B4 Ground 10 Ground 36 J4 B1 5V Protected COM3 RS 422 RS 485 37 B3 Channel 3 Data 11 J6 5 TxD note 38 B2 Channel 3 Data 12 4 TxD note 39 ACPI Push 3 Ground 13 1 Ground Ground 40 button J2 4 EIRQ1 14 3 RxD TxD RxD 41 reserved 15 2 RxD TxD RxD 42 reserved 16 Ground Ground 4...

Страница 36: ...en changing the register make sure not to alter the value of the other bits The following code examples show how to turn the LED on and off Refer to page 41 for further information LED On LED Off MOV DX 1D0H MOV DX 1D0H IN AL DX IN AL DX OR AL 80H AND AL 7FH OUT DX AL OUT DX AL Note The LED is turned on by the BIOS during system startup This causes the light to function as a power on indicator if ...

Страница 37: ...MOS Setup This connector uses IEC 61000 4 2 rated TVS components to help protect against ESD damage Table 7 LPT1 Parallel Port Pinout J5 Pin Centronics Signal Signal Direction 1 Strobe Out 2 Auto feed Out 3 Data bit 1 In Out 4 Printer error In 5 Data bit 2 In Out 6 Reset Out 7 Data bit 3 In Out 8 Select input Out 9 Data bit 4 In Out 10 Data bit 5 In Out 11 Data bit 6 In Out 12 Data bit 7 In Out 13...

Страница 38: ...e removed to allow the system to boot off of the Secondary Video BIOS Unlike the Primary Video BIOS the Secondary Video BIOS can be reprogrammed in the field SVGA OUTPUT CONNECTOR See Figure 7 for connector location information An adapter cable part number CBR 1201 is available to translate J1 into a standard 15 pin D Sub SVGA connector This connector uses IEC 61000 4 2 rated TVS components to hel...

Страница 39: ...3V power provided to pins 19 and 20 of J12 is protected by a 1 Amp fuse See Figure 8 for connector location information Table 9 LVDS Flat Panel Display Pinout J12 Pin Signal Name Function 1 GND Ground 2 NC No Connection 3 LVDSA3 Diff Data 3 4 LVDSA3 Diff Data 3 5 GND Ground 6 LVFSCLK0 Differential Clock 7 LVDSCLK0 Differential Clock 8 GND Ground 9 LVDSA2 Diff Data 2 10 LVDSA2 Diff Data 2 11 GND Gr...

Страница 40: ... Windows driver CONSOLE REDIRECTION The EPM 15 can be operated without using the onboard video output by redirecting the console to COM1 CMOS Setup and some operating systems such as DOS can use this console for user interaction In the Features Configuration screen there is an option to control console redirection This option can be set to Auto or Redirect When set to Auto the console will not be ...

Страница 41: ...owing diagram illustrates a typical DB9 to DB9 RS 232 null modem adapter System 1 System 2 Name Pin Pin Name TX 3 2 RX RX 2 3 TX RTS 7 1 DCD CTS 8 DSR 6 4 DTR DCD 1 7 RTS 8 CTS DTR 4 6 DSR Pins 7 and 8 are shorted together on each connector Unlisted pins have no connection ...

Страница 42: ... J4 uses PCI interrupt INTB The CMOS setup screen is used to select the IRQ line routed to each PCI interrupt line STATUS LED The EPM 15 includes an on board two colored LED to provide an indication of the Ethernet status as follows Green LED Link ON Active Ethernet cable plugged in OFF Active cable not plugged in or cable not plugged into active hub Yellow LED Activity ON Activity detected on cab...

Страница 43: ...ine routed to INTB The audio controller can be disabled within CMOS Setup Table 11 J13 Audio Connector Pin Signal Name Function 1 LINE_OUTR Line Out Right 2 Ground Ground 3 LINE_OUTL Line Out Left 4 Ground Ground 5 LINE_INR Line In Right 6 Ground Ground 7 LINE_INL Line In Left 8 Ground Ground CPU Temperature Monitor A thermometer circuit constantly monitors the die temperature of the CPU This circ...

Страница 44: ...h 4CFh 4D2h 777h 77Ch AFFh PC 104 MEMORY SUPPORT Memory ranges supported C8000h DBFFFh 8 bit transfers only DFBF4h DFE88h DFE94 IRQ SUPPORT The following IRQs are available on the PC 104 bus IRQ 3 IRQ 4 IRQ 10 Each of the three IRQs must be enabled in CMOS Setup before they can be used on the ISA bus Because ISA IRQ sharing is not supported make sure that any IRQ channel used for an ISA device is ...

Страница 45: ...00h 9FFFFh System RAM I O Map The following table lists the common I O devices in the EPM 15 I O map User I O devices should be added using care to avoid the devices already in the map as shown in the following table Table 13 On Board I O Devices I O Device Standard I O Addresses Special Control Register 1D0h Jumper and Status Register 1D2h RS 485 422 Tx Rx Control Register 1DAh Reserved 1E0h Prim...

Страница 46: ...use z Math Chip z Pri IDE z LPT1 CPU Temp ISA IRQ3 ISA IRQ4 ISA IRQ10 PCI INTA z PCI INTB z PCI INTC z PCI INTD z Table 15 PCI Interrupt Settings z default setting allowed setting PCI Interrupt Source INTA INTB INTC INTD Ethernet z Audio z USB z Notes If your design needs to use interrupt lines on the PC 104 bus IRQ10 is recommended IRQ3 and IRQ4 are normally used by COM ports on the main board Th...

Страница 47: ...ments Bit Mnemonic Description D7 PLED Light Emitting Diode Controls the programmable LED on connector J4 0 Turns LED on 1 Turns LED off D6 Reserved Reserved This bit has no function D5 OVERTEMP Temperature Status Indicates CPU temperature 0 CPU temperature is below value set in the CMOS setup 1 CPU temperature is above value set in the CMOS setup This bit is read only D4 D0 Reserved Reserved Thes...

Страница 48: ...uct Code These bits are hard coded to represent the product type The EPM 15 always reads as 00011 Other codes are reserved for future products PC4 PC3 PC2 PC1 PC0 Product Code 0 0 0 1 1 EPM 15 These bits are read only D2 EXT Extended Temperature Indicates operating temperature range 0 Standard temperature range 1 Extended temperature range D1 D0 REV Revision Level These bits represent the EPM 15 c...

Страница 49: ...nemonic Description D7 Reserved This bit has no function D6 VB SEL Video BIOS Selection Indicates the status of jumper 0 Jumper out Secondary Video BIOS selected 1 Jumper in Primary Video BIOS selected This bit is read only D5 SB SEL System BIOS Selection Indicates the status of jumper 0 Jumper out Master System BIOS selected 1 Jumper in Run Time System BIOS selected This bit is read only D4 D0 Re...

Страница 50: ...trols RS 485 422 Rx on COM4 0 Disable RS 485 422 receiver on COM4 1 Enable RS 485 422 receiver on COM4 D4 COM4TE422 COM4 RS 422 Transmit Enable Controls RS 422 Tx on COM4 0 Disable RS 422 transmitter on COM4 1 Enable RS 422 transmitter on COM4 D3 Reserved Reserved This bit has no function D2 COM3TE485 COM3 RS 485 Transmit Enable Controls RS 485 Tx on COM3 0 Disable RS 485 transmitter on COM3 1 Ena...

Страница 51: ...ration Intel 82551ER Intel 82541ER Video Controller In chipset PC 104 Specification PC 104 Consortium PC 104 Resource Guide PC 104 Plus Specification VersaLogic Corporation PC 104 Resource Guide General PC Documentation Microsoft Press The Programmer s PC Sourcebook General PC Documentation Powell s Books The Undocumented PC A A ...

Страница 52: ...MHz Y1 crystal U7 82551ER chip RTC 32 768 kHz Y2 crystal U13A CS5536 chip System Clock REF Clock IOAPC Clock PCI Clock 14 318 MHz 14 318 MHz 14 318 MHz 33 3 MHz Y3 crystal U34 MK1491 09F chip USB 48 MHz Y4 crystal U13B CS5536 chip Audio 24 576 MHz Y5 crystal U44 AD1981B chip PCI Bus 33 3 MHz Fixed frequency ISA Bus 8 MHz VCore Switching Regulator 1 MHz Switching frequency Memory 111 MHz or 222 tra...

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