Плата DPM104 в формате PC/104 Dual port memory Module for PC/104 systems

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Артикул: DPM104Подобрать аналог
Производитель: RTD Embedded Technologies

Артикул: DPM104

Key Features

  • 16 KByte Fast dual port SRAM
  • Two 16-bit wide ISA-buses
  • Memory mapped into low PC/AT memory space
  • Interrupt and semaphore support
  • External 3.6V battery for memory backup
  • +5V only operation
  • Extended temperature range: -40° to +85°C

Description

The DPM104HR board is ideal in fault tolerant redundant systems or in PC/104 based control systems requiring multiprocessing capabilities over the PC/AT bus. RTD provides example programs and drivers for Windows and Linux including source code. These drivers and programs let you set up communication between the two sides of the shared memory with maximum flexibility. You may choose to run different operating system on different sides of the shared memory; for example you can use WIN NT 4.0 on one side of the DPM104HR for user interface services, while on the other side of the DPM104HR a control algorithm can be executed under Linux. Both processes can then work independently of each other.

This PC/104 compliant dual port SRAM board features two 16-bit PC/104 bus interfaces, with 16KB of static RAM. Flexible software control can be achieved by using semaphores and interrupts for signaling between the two sides of the shared memory. The DPM104HR is mapped in to the low (first MByte) of host PC memory. The 32KB jumper selectable address window may reside in any part of this memory space. Interrupts are jumper selectable in the range from IRQ5 to IRQ15. Both sides of the shared dual port SRAM may be configured independently from each other.

I/O

  • Two 16-bit stack through PC/104 buses

Software

  • Drivers and Example Programs for Windows & Linux

Physical Attributes

  • Dimensions
    • Length (L): 3.775 inches (95.885 mm)
    • Width (W): 3.550 inches (90.170 mm)
    • Stand-off Height: 0.600 inches (15.240 mm)
  • Weight: Approximately 0.22 lbs. (0.10 Kg)
  • Standard Operating Temperature, 90% humidity non-condensing: -40 to +85°C
  • Storage Temperature: -55 to +125°C
  • Power Consumption: 1.75 W at 5 V
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