Functional Description; Overview - Motorola MVME2400 Series Programmer's Reference Manual

Functional Description

Overview

The MVME2400 series is a family of single-slot VME processor modules.
It consists of the MPC750 processor and L2 cache that directly connects to
the MPC750, the Hawk ASIC, which is made up of the PCI Bridge (PHB),
the Multi-Processor Interrupt Controller (MPIC), and the System Memory
Controller (SMC). The MVME2400 series also includes 9MB of Flash
memory, 32MB to 256MB of ECC-protected SDRAM, and a rich set of
features of I/O peripherals.
The I/O peripheral devices on the PCI bus include: the Universe II
VMEbus interface ASIC and two PMC slots. Functions provided from the
ISA bus are: one asynchronous serial port, a real-time clock,
counters/timers, and a software-readable header.
The MVME2400 series board interfaces to the VMEbus via the P1 and P2
connectors, which use the 5-row 160-pin connectors as specified in the
proposed VME64 Extension Standard. It also draws +5V, +12V, and -12V
power from the VMEbus backplane through these two connectors.
Additional power of 2.0V and 3.3V is regulated onboard from the +5V
power.
Front panel connectors on the MVME2400 series board include: an RJ45
connector for the Ethernet 10 Base-T/100 Base-Tx interface and an RJ45
connector for the async serial debug port. The front panel also includes
RESET and ABORT switches and status LEDs.
The MVME2400 series contains two IEEE1386.1 PCI Mezzanine Card
(PMC) slots. These PMC slots are 64-bit capable and support both front
and rear I/O. Pins 1 through 64 of PMC slot 1 connector J14 are routed to
row C and row A of the 5-row DIN P2 connector. Pins 1 through 46 of
PMC slot 2 connector J24 are routed to row D and row Z of P2.
Additional PCI expansion is supported with a 114-pin Mictor connector.
This connection allows stacking of one or two PMCspan dual-PMC carrier
boards to increase the I/O capability. Each PMCspan board requires an
additional VME slot.
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Functional Description
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