Key Features

Description

The CME136686LX is an ultra low-power PC/104 single board computer with a PC/104 stackable bus structure. This AMD Geode LX based CPU is an excellent solution for applications requiring real-time computing.

Technical Details

• Stackable Expansion Buses
  • ISA Expansion Bus
    • Full ISA bus operation
    • Supports 8-bit (XT) and 16-bit (AT) peripherals
    • All ISA IRQ lines supported
    • DMA Supported via DDMA (Software-transparent)
    • Supports both I/O-mapped and Memory-mapped expansion cards
    • Positive Decode of PCI cycles
      • I/O and Memory ranges selectable in BIOS
• Two Ethernet Ports
  • Ethernet Controller
    • Intel 82551QM Fast Ethernet PCI Controller
    • Integrated 3KByte Transmit and 3Kbyte Receive FIFOs
  • Physical Layer
    • 100Base-Tx and 10Base-T
  • Easy to Use
    • Low Power Features
    • Status LEDs
    • Software configuration
• SVGA CRT and LVDS Flat Panel interface
  • Analog SVGA Output
  • Resolution up to 1920 x 1440 pixels with up to 4,294 million colors
  • VGA, SVGA, XGA, XGA+, SXGA, and UXGA
  • High-performance memory
    • 24MB of shared DDR SDRAM memory
• Four BIOS configurable RS-232/422/485 serial ports on two connectors, each connect configurable as:
  • One full RS-232 port with TxD, RxD, CTS, RTS, DSR, DTR, RI, and CD
  • One RS-422/485 port with TxD+, TxD-, RxD+, RxD-, with 120 ohm termination jumper
  • Two RS-232 ports:
    • One with TxD, RxD, CTS, and RTS
    • One with TxD and RxD
  • One RS-232 port with TxD and RxD, and one RS-422/485 port with TxD+, TxD-, RxD+, RxD-, with 120 ohm termination jumper
  • Jumper enabled two RS-422/485 ports each with TxD+, TxD-, RxD+, RxD-, with 120 ohm termination jumper
  • 16550 compatible UARTs for high-speed
• multiPort function connector
  • Parallel port
    • SPP, PS/2 bi-directional, EPP & ECP
  • Advanced Digital I/O (aDIO)
    • One 8-bit port programmable as input or output
    • Eight bit-programmable I/O with Advanced Digital Interrupt Modes
      • Event Mode Interrupt generates an interrupt when any input bit changes
      • Match Mode Interrupt generates an interrupt when input bits match a preset value
      • External Strobe Mode latches 8 data inputs and generates and interrupt
    • Two Strobes can be configured as readable inputs.
  • Floppy controller interface - Requires RTD's XK-CM49 multiPort Floppy Drive and Cable Kit
• Two USB 2.0 (Universal Serial Bus) Ports
  • High-speed, full-speed, or low-speed
  • 500 mA @ 5 Vdc provided per port
  • USB Boot capability
• UltraDMA-100 / 66 / 33 Master Mode PCI EIDE Controller
  • Transfer rate up to 100MB/sec using UltraDMA
  • Increased reliability using UltraDMA-33 transfer protocols
  • Support ATAPI compliant devices including DVD drives
  • 48-bit LBA support for hard drives larger than 137GB
• Utility port
  • XK-CM77 Cable Kit Included
  • PC-AT compatible keyboard port
  • PS/2 Mouse Port
  • Speaker (0.1W output) port
  • Hardware Reset input
  • Battery input for Real Time Clock
• Power I/O
  • Access to PC/104 Bus power pins
    • Gnd, ±12 & 5 VDC
  • Access to PC/104-Plus Bus pins
    • Gnd, ±12, 5 & 3.3 VDC
• Mating Connectors
  • Standard 10-pin 0.1" DIL header (Utility, COM1 & 3, COM2 & 4, SVGA, USB, Ethernet)
  • Standard 12-pin 0.1" DIL header (Power)
  • Standard 26-pin 0.1" DIL header (multiPort)
  • Standard 20-pin 2mm DIL header (LVDS)
  • Standard 44-pin 2mm DIL header (EIDE)

Software

• RTD Enhanced BIOS
  • Supports boot from IDE, USB, or Ethernet (PXE)
  • Serial Console Redirection
  • EEPROM-based CMOS Setup – No battery required to store settings
  • Fail Safe Boot – Load DOS even if no boot device is present
  • Special RTD Reliability Enhancements
• Compatible with all x86 PC operating systems:
  • DOS (MS-DOS, ROM-DOS, PC-DOS)
  • Windows (XP, XP Embedded)
  • Linux (desktop and real-time versions)
    • See app note for more details
  • RTOSes such as QNX, VxWorks, Windows CE, and xPC Target
  • Note: Some hardware interfaces may require special drivers
• Includes pre-installed Datalight ROM-DOS
• Drivers and support provided for DOS, Windows, and Linux

Recommended Accessories

• Cable Kit XK-CM80
• Cable Kit XK-CM49 (multiPort Floppy Drive)
• TCP/IP Sockets

Physical Attributes

• Board Dimensions
  • CME136686LX...-256 and CME136686LX...-512
    • Length (L): 3.775 inches (95.89 mm)
    • Width (W): 3.550 inches (90.17 mm)
    • Stand-off Height: 0.600 inches (15.24 mm)
• Weight: Approximately 0.28 lbs. (0.13 Kg) with heatsink
• Standard Operating Temperature, 90% humidity non-condensing: -40 to +85°C
• Storage Temperature: -55 to +125°C
• MTBF
  • CME136686LX...-256: 465,338 hours
  • CME136686LX...-512: TBD
• Power Consumption
  • CPU power consumption is heavily influenced by the running software and system activity.
  • Typical power consumption
    • CME136686LX333HR-256: 5.7 W @ 5 VDC typical
    • CME136686LX500HR-256: 6.2 W @ 5 VDC typical
    • CME136686LX333HR-512: 5.8 W @ 5 VDC typical
    • CME136686LX500HR-512: 6.3 W @ 5 VDC typical
  • Please refer to the hardware manual for detailed consumption scenarios.