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Flex/104A
PC/104 Carrier Board
User's Manual
©SBSTechnologies, Inc.
Subject to change without notice.
Hardware Revision: A
Part # 89002055 Rev. 1.0 20050119
Downloaded from StockCheck.com

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Summary of Contents for SBS Technologies Flex/104A

  • Page 1 Flex/104A PC/104 Carrier Board User’s Manual ©SBSTechnologies, Inc. Subject to change without notice. Hardware Revision: A Part # 89002055 Rev. 1.0 20050119 Downloaded from StockCheck.com...
  • Page 2 Technologies, Inc. QuickPack, SDpacK and Unilin SBS Tecnologies, Inc are trademarks SBS Technologies, Inc. PC•MIP is 1284 Corporate Center Drive a trademark of SBS Technologies, Inc. and MEN St. Paul, MN 55121 Mikro GmbH. Tel (651) 905-4700 FAX (651) 905-4701...
  • Page 3: Table Of Contents

    Table of Contents PRODUCT DESCRIPTION....................1 ........................1 EATURES IP M ....................1 ODULE ONNECTORS IP B ................ 3 OGIC NTERFACE SSIGNMENT ......................3 XTERNAL TROBES ........................4 DDRESSING PC I ..................... 4 NTERRUPT WITCH /104A R ....................5 ESET WITCH PC/104 A ......................
  • Page 4 List of Figures /104A C ..............2 IGURE ARRIER LOCK IAGRAM ........4 IGURE SSIGNMENT FOR XTERNAL TROBE ONNECTOR PC/104 A ............4 IGURE HUNT OSITIONS FOR DDRESSING PC I ............. 5 IGURE WITCH OSITIONS FOR NTERRUPTS /104A..............6 IGURE EGISTER AP FOR THE IP A...
  • Page 5: Product Description

    Key Features • Each FLEX/104A board may contain up to two IndustryPack (IP) modules. • Up to three FLEX/104A boards can be addressed and controlled via the PC/104 connector. • FLEX/104A interface logic is provided by a field-programmable gate array (FPGA), making the design more flexible and field-upgradeable.
  • Page 6 SLOT B SLOT A Figure 1 Flex/104A Carrier Block Diagram Downloaded from StockCheck.com...
  • Page 7: Ip Bus Logic Interface Pin Assignment

    The layout of the pin numbers in this table corresponds to the physical placement of pins on the IP connector. Thus this table may be used to easily locate the physical pin corresponding to a desired signal. Pin 1 is marked with a square pad on the Flex/104A. External Strobes The Strobe* signal is an optional input to or output from an IP module.
  • Page 8: Addressing

    IP bus interrupts, the selected PC interrupt is asserted by the logic on board the Flex/104A. Bits 0 and 1 in the Status Register are set to indicate IRQ0* for slot A and IRQ0* for slot B, respectively. Bit 5 and 6 in the Status Register correspond to IRQ1* for slot A and IRQ1* for slot B.
  • Page 9: Flex/104A Reset Switch

    PC/104 bus expects. If the BIOS is set up for zero wait state accesses, the Flex/104A will not operate correctly since the IOCHRDY* signal is ignored. Selecting one or more of wait states will correct...
  • Page 10: Programming

    IndustryPacks. Each register is at a unique offset address from the base address. Base address for the Flex/104A is set using shunts E1 and E2. For more information on the base address, refer to the Addressing section on page ?
  • Page 11: Control & Status Register

    Flex/104A is enabled. If, after 64 µs, an acknowledge has not been detected from the IP, the Flex/104A terminates the access and sets this bit high. To clear this bit, a one must be written to bit 1 of the Control and Status Register. Resets to zero.
  • Page 12: Ip Access Register

    IP, the value of the offset location for a given register on the IP must be programmed into this field. Remember that the Flex/104A does not recognize the IP A0 bit and therefore the value in the IP user manual must be shifted right by one bit.
  • Page 13: Upper Address Memory

    Write Reset The Flex/104A is only capable of 16-bit addresses to the IndustryPack bus. The 16 bits of read/write data are provided in the Data Register. The act of reading or writing the Data Register begins the IP access. For this reason, you must first program the IP Access Register and the Upper Address Register, if a memory access, before accessing the data register.
  • Page 14: Installing The Industrypacks

    Insert the screw through the IP and the two connectors. Attach the nut on the solder side of the Flex/104A. Tighten using small tools, taking care not to damage either the IP or the support board. The screws used are standard (metric) M2 x 18 stainless slotted flat head.
  • Page 15: Specifications

    +5 VDC, TBD mA typ (Additional power is consumed by IndustryPacks) Environmental Operating temp: 0° to +70°C, -40° to +85°C (Flex/104-ET and Flex/104A ET– contact factory for availability) Storage temp: -40° to +85°C Humidity: 5% to 95% non-condensing Downloaded from StockCheck.com...

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