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AMC module features 32-bit FIFO per channel

Posted: 26 Sep 2008     Print Version  Bookmark and Share

Keywords:synchronous/asynchronous  serial AMC module  communication controller 


TEWS Technologies has released TAMC863, a new synchronous/asynchronous serial AMC module with four high-speed communication channels. The serial communication controller is implemented in FPGA logic, combined with the bus master capable PCI interface. It guarantees long term availability with the option to implement additional application specific functions for customers, says the company. The TAMC863 is designed for data communications, LAN/WAN networking, aerospace/defence communications, traffic control, simulation, and telecommunications applications.

Several serial communication protocols are supported by each channel, such as asynchronous, isochronous, synchronous and HDLC mode. In addition, a maximum data rate of 10Mbps is provided for synchronous protocols and 2Mbps is supported for asynchronous protocols.

Multiprotocol transceivers are used for the line interface. The physical interface of each channel can be independently software selected for EIA-232, EIA-422, EIA-449, EIA-530, EIA-530A, V.35, V.36 or X.21. Physical connection is either through front panel I/O with an HD68 SCSI-V (VHDCI/Champ) type connector or rear I/O via P14.

In order to reduce CPU overhead and increase data rates for critical applications, the TAMC863 features a receive and transmit FIFO of 512 long words (32-bit) per channel. Data transfer on the PCI bus is handled via TAMC863 initiated DMA cycles with minimum host/CPU intervention. In addition, several interrupt sources can generate interrupts on INTA for each channel, and interrupts may be enabled or disabled separately.

Asynchronous and basic synchronous support for major operating systems such as Windows, Linux, VxWorks, and QNX is available.

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