TQMC400

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QMC Module with 4 Port RS232/422/485 Serial Interface

QMC module offering 4 channel high performance serial controllers with individually programmable RS232, RS422, and RS485 interfaces. The module has an operating temperature range of -40°C to +85°C.

RS232 channels support TxD, RxD, RTS, CTS, DTR, DSR, CD, RI and GND, and RS422 channels support RxD+/- and TxD+/-. RS422 channels can operate in 4-wire full duplex and RS485 channels can operate in 4-wire full duplex or 2-wire half duplex mode. On-chip switchable termination of 120Ω is provided for the RS422/RS485 interfaces.

Each channel has 256 byte transmit and receive FIFOs. The FIFO trigger thresholds, and the baud rates are individually programmable: up to 1 Mbps for RS232 channels, and 20 Mbps for RS422/485 channels. For fast interrupt source detection the UART provides a special global interrupt source register.

A wide range of drivers is available: Linux, LynxOS, Integrity, QNX, VxWorks and Windows. All drivers - except the Windows drivers - are supplied as C source code.

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Technical Description

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  • QMC-Modul, VITA 93.0 konform, PCIe 2.0 Gen1 (2,5 Gbit/s) konform
  • 4 RS232/422/485 ports
  • RS232 signals: TxD, RxD, RTS, CTS, DTR, DSR, CD, RI and GND
  • RS422/485 signals: full duplex 4 wire Tx+/- and Rx+/- or
    RS485 signals: half duplex 2 wire Dx+/-
  • Exar XR17V354 controller
  • 256 byte receive and 256 byte transmit FIFOs per channel
  • Transfer rates up to 20 Mbit/s via RS422/485 and 1 Mbit/s via EIA-232
  • Switchable 120Ω termination for each RS422/RS485 channel
  • Global interrupt source register
  • General purpose 16bit timer/counter
  • -40°C .. +85°C operating temperature range, conduction-cooled
  • Linux, LynxOS, Integrity, QNX, VxWorks, and Windows drivers available
  • 5 years warranty

Order Information

TQMC400-10R-A

4 port RS232/422/485 serial interface

TQMC400-10R-H

4 port RS232/422/485 serial interface, conduction-cooled

TDRV002-SW-25

Integrity driver

TDRV002-SW-42

VxWorks driver

TDRV002-SW-65

Windows driver

TDRV002-SW-82

Linux driver

TDRV002-SW-95

QNX driver

Technical Documentation

TQMC400-DS

TQMC400 data sheet