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General Information

Features

Features of the MVME177 are listed in the following table:

 

Table 1-2. MVME177 Features

 

 

Feature

Description

 

 

Microprocessor

MC68060 at 50 MHz (MVME177-00x) or 60 MHz (MVME177-01x)

 

 

DRAM

4/8/16/32/64/128/256MB with ECC protection

 

 

Flash Memory

4MB in four Intel 28F008SA chips with software control write

 

protection

 

 

EPROM

1MB in two 44-pin PLCC sockets (organized as one bank of 32 bits)

 

 

Jumper and software

Mixed EPROM/Flash, or

control

All Flash conÞguration

 

 

SRAM

128KB (with optional battery backup)

 

 

Status LEDs

Eight LEDs: for FAIL, STAT, RUN, SCON, LAN, +12V (LAN

 

power), SCSI, and VME.

 

 

RAM

8K by 8 RAM and time of day clock with battery backup

 

 

Switches

RESET

 

 

 

ABORT

 

 

Tick timers

Four 32-bit tick timers for periodic interrupts

 

 

Watchdog timer

One watchdog timer

 

 

Software interrupts

Eight software interrupts

 

 

I/O

SCSI Bus interface with DMA

 

 

 

Four serial ports with EIA-232-D buffers with DMA

 

 

 

8-bit bidirectional parallel port

 

 

 

Ethernet transceiver interface with DMA

 

 

VMEbus interface

VMEbus system controller functions

 

 

 

VMEbus interface to local bus (A24/A32, D8/ D16/D32

 

(D8/D16/D32/D64BLT) (BLT = Block Transfer)

 

 

 

Local bus to VMEbus interface (A16/A24/A32, D8/D16/D32)

 

 

 

VMEbus interrupter

 

 

 

Global CSR for interprocessor communications

 

 

 

DMA for fast local memory - VMEbus transfers (A16/A24/A32,

 

D16/D32 (D16/D32/D64BLT)

 

 

Remote connector

For RESET and ABORT switches and LEDs

 

 

 

 

 

 

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Motorola manual MVME177 Features, Feature Description