Motorola MVME2700 Series Servisní příručka stáhnout pdf (Strana 107)

Block Diagram

http://www.motorola.com/computer/literature 3-9

The MVME2700 supports one PMC slot. Four 64-pin connectors on the

base board (J11, J12, J13, and J14) interface with 32-bit IEEE P1386.1

PMC-compatible mezzanines to add any desirable function. The PCI

Mezzanine Card slot has the following characteristics:

The PMC carrier board connector (J4) is a 114-pin Mictor connector.

Refer to Chapter 4, Connector Pin Assignments for the pin assignments of

the PMC connectors. For detailed programming information, refer to the

PCI bus descriptions in the MVME2600/2700 Series Programmer’s

Reference Guide and to the user documentation for the PMC modules you

intend to use.

VMEbus Interface

The VMEbus interface is implemented with the CA91C142 ‘Universe II

ASIC. The Universe chip interfaces the 32/64-bit PCI local bus to the

VMEbus. The Universe II ASIC provides:

❏ The PCI-bus-to-VMEbus interface

❏ The VMEbus-to-PCI-bus interface

❏ The DMA controller functions of the local VMEbus

The Universe II chip includes Universe Control and Status Registers

(UCSRs) for interprocessor communications. It can provide the VMEbus

system controller functions as well. For detailed programming

information, refer to the Universe II User’s Manual and to the discussions

in the MVME2600/2700 Series Programmer's Reference Guide.

Mezzanine Type PMC (PCI Mezzanine Card)

Mezzanine Size S1B: Single width, standard depth (75 mm x 150 mm)

with front panel

PMC Connectors J11, J12, J13, J14 (32/64-bit PCI with front and rear

I/O)

Signaling Voltage V

= 5.0V DC

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Motorola MVME2700 Series Servisní příručka Strana 107