PMA-C Rastergraf PMC to CompactPCI Adapter Board

The Rastergraf PMA-C PMC to CompactPCI Adapter Board enables any 32-bit or 64-bit PMC (PCI Mezzanine Card) module to be plugged into a standard 3U or 6U CompactPCI slot. The PMA-C is designed to function as a transparent extension to the PCI bus. As such, it is a passive adapter board and has no PCI-to-PCI bridge. The carrier's PCI bus is connected directly to the PMC card's PCI bus. Great care was taken to ensure signal integrity, impedance control, low noise, and matched PCI trace length.

The PMA-C provides the full 64-bit interconnect between the CompactPCI J1 and J2 and the PMC connector set. Jumpers can be installed to enable 66 MHz mode, and to set PCI PRSNT and PMC BUSMODE. Separate power planes are provided for +5V and ground. Bypass capacitors are located at regular intervals across the board and at all PMC and CompactPCI power pins, including +12V, -12V, +5V, +3.3V, and VIO. Except for the bypass capacitors, the PMA-C does not provide any sort of power conditioning or regulation.

To aid in debugging, the PMA-C has Test Point pins and LED indicators for BUSMODE1, +12V, -12V, +5V, +3.3V and VIO. It also has a connector for the JTAG port. PMC Index Pin holes are provided for both 3.3V and 5V PMC signaling pins so that the PMA-C can be configured for either bus environment.