Description
MVME230x Module
The MVME230x module is a powerful, low-cost embedded VME controller and intelligent PMC carrier board. The MVME230x is currently available in the configurations shown in Table 1-1. The MVME230x includes support circuitry such as ECC DRAM, PROM/Flash memory, and bridges to the Industry Standard Architecture (ISA) bus and the VMEbus. The MVME230x’s PMC carrier architecture allows flexible configuration options and easy upgrades. It is designed to support one or two PMCs, plus one or two optional PCI expansion mezzanine modules that each support up to two PMCs.
The MVME230x interfaces to the VMEbus via the P1 and P2 connectors. It also draws +5V, +12V, and -12V power from the VMEbus backplane through these two connectors. The +3.3V power, used for the PCI bridge chip and possibly for the PMC mezzanine, is derived onboard from the +5V power. Support for two IEEE P1386.1 PCI mezzanine cards is provided via eight 64-pin SMT connectors. Front panel openings are provided on the MVME230x board for the two PMC slots.In addition, there are 64 pins of I/O from PMC slot 1 and 46 pins of I/O from PMC slot 2 that are routed to P2. The two PMC slots may contain two single-wide PMCs or one double-wide PMC.
PMCspan Expansion Mezzanine
An optional PCI expansion mezzanine module or PMC carrier board, PMCspan, provides the capability of adding two additional PMCs. Two PMCspans can be stacked on an MVME230x, providing four additional PMC slots, for a total of six slots including the two onboard the MVME230x. Table 1-2 lists the PMCspan models that are available for use with the MVME230x.
PCI Mezzanine Cards (PMCs)
The PMC slots on the MVME230x board are IEEE P1386.1 compliant. P2 I/O-based PMCs that follow the PMC committee recommendation for PCI I/O when using the 5-row VME64 extension connector will be pin-out compatible with the MVME230x. The MVME230x board supports both front panel I/O and rear panel P2 I/O through either PMC slot 1 or PMC slot 2. 64 pins of I/O from slot 1 and 46 pins of I/O from slot 2 are routed directly to P2.
VMEsystem Enclosure
Your MVME230x board must be installed in a VMEsystem chassis with both P1 and P2 backplane connections. It requires a single slot, except when PMCspan carrier boards are used. Allow one extra slot for each PMCspan. System Console Terminal
In normal operation, connection of a debug console terminal is required only if you intend to use the MVME230x’s debug firmware, PPCBug, interactively. An RJ45 connector is provided on the front panel of the MVME230x for this purpose.
MVME2306 pdf
MVME2306
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