Abaco Systems builds with serial controller and XMC carrier card upgrades

Providing upgrade paths for high-rel systems designers, Abaco Systems has announced a 16-port serial controller and XMC carrier card for multi-channel single board computers (SBCs).

The PMC523 16-port serial controller and the SPR518 PCI Express XMC carrier card protect customers from obsolescence, said the company. The SPR518 and the PMC523 each deliver a “technology refresh”, said Abaco Systems, as part of its commitment to innovation.

The PMC523 controller integrates multiple serial I/O channels onto SBCs with PCI mezzanine card (PMC) sites. The 16 port RS-422 serial controller with a PCI bus 2.3 target interface is compliant up to a 33 MHz clock with a 32-bit bus. The ports are accessible via a front 68-pin high-density connector or rear I/O via P14. Flow control is either automatic RTS/CTS or DTR/DSR. Xon/Xoff software flow control is automatic as well.

The controller packs 16 serial channels onto a single PMC and uses dual octal UARTs to increase overall performance through the reduction of programmed I/O operations. This provides an evolutionary path for enhanced software and ultimately protects customers who have already designed systems using the previous generation PMC423, advised Abaco.

The SPR518 PCI Express XMC carrier card provides an upgrade path for customers and a replacement for the SPR418A. The card is a short form factor PCI Express (PCIe) carrier for XMC modules which allows for use with traditional PCs. The PCIe interface provides for unimpeded data transfers at the full rate supported by the mezzanine card. It is enhanced by a PCIe Gen3 Redriver which allows for safe operation of XMC modules on PCIe mainboards, where previously the SPR418A could only support Gen2.

The integrated fan takes no additional space, so SWaP requirements can be easily met. The card provides up to 25W to the XMC site, is stand-alone capable and provides J14 and J16 connectivity.

Abaco Systems specialises in commercial open architecture computing and rugged embedded electronics. It has more than 30 years’ of experience in aerospace and defence, industrial, energy, medical, communications and other critical sectors,

Abaco Systems is a subsidiary of Ametek, a manufacturer of electronic instruments and electromechanical devices.


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