PCIe-Mini-COM-8
High Performance Octal w/Programmable Transceiver RS-232/RS-485/RS-422
- 8 Independent 16C550-class UARTs
- 256-byte TX and RX FIFOs
- Up to 31.25 Mbps serial data rate
- Fractional baud rate generator
- Automatic RTS/CTS or DTR/DSR hardware flow control via software
- Selectable serial mode in pairs: RS-232, RS-485, and RS-422
- Robust ±15KV ESD protection (IEC 61000-4-2 air gap)
- Up to 16 drivers, 16 receivers for RS-232/V.28
- Up to 8 drivers, 8 receivers for RS-485/RS-422
- Full or half-duplex configurations
- 1/8th unit load, supporting up to 256 receivers
- Mixed RS-232/RS-485 modes
- On-board termination 120Ω, software selectable
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The PCIe-Mini-COM-8 is an 8-channel PCI Express (PCIe) UART (Universal Asynchronous Receiver and Transmitter) optimized for higher performance. The PCIe-Mini-COM-8 serves as a single lane PCIe bridge to 8 independent enhanced 16550 compatible UARTs.
All 8 channels can be programmed in pairs with the required front-end interface: Software selectable RS-232, RS-485 and RS-422; Software selectable 120Ω termination for RS-422 and RS-485 interfaces.
Applications:
This board is optimally suited for communications gateway and protocol converters. This is a perfect solution for:
- Avionics equipment
- Avionic data communication systems
- Medical systems
- Industrial controls
- Factory automation and process control
Communication Specifications:
- PCIe 2.0 Gen 1 compliant
- 16550 compatible register set
- 256-byte TX and RX FIFOs
- Global interrupt status register for all eight UARTs
- Up to 31.25 Mbps serial data rate
- Automatic RTS/CTS or DTR/DSR hardware flow control
- Automatic Xon/Xoff software flow control
- RS-485 half duplex direction control output with programmable turn-around delay
I/O Specifications:
- ±15KV ESD protection (IEC 61000-4-2 air gap)
- Supports RS-232, RS-485, and RS-422
- Full or half duplex
- Mixed RS-232/RS-485 modes
- RS-485 advanced fail-safe on open, short, or terminated lines
- Multi-port RS-232/RS-422/RS-485 cards
Available Software Drivers:
- C library DLLs
- Linux® drivers
- Windows® drivers
- VxWorks® drivers
Mechanical:
- Size: Mini PCIe Module (30 mm x 50.95 mm)
- Power: T.B.D.
- Front panel I/O
- Vibration: 0.5G, 20-2000 Hz random
- Shock: 20G, 11 msec, ½ sine
- Weight: T.B.D.
- MTBF: >250,000 hours
Operating Environment:
- Operating temperature (Industrial): -40ºC to +85ºC
- Non-operating: -60ºC to +120ºC
- Humidity: 5 to 90% (non-condensing)
- Altitude: 0 to 10,000 feet
Ordering Information:
- Part number: PCIe-Mini–COM-8
OCTAL PCI EXPRESS Mini UART
Industrial Temp: -40 to +85 C - Part number: PCIe-Mini–COM-8CC
Same as above, Conformal Coated
Optional Accessories:
- Part number: CBL-Mini-COM-8
Communication Cable, 4 Inch Micro IDT to Micro IDT - Part number: TB-Mini-COM-8
Terminal Module from Micro IDT to 8 PICO Latch connectors.
Data Sheet – Link Here









