user manual

General Information
1-2
1
Features
Features of the MVME177 are listed in the following table:
Table 1-2. MVME177 Features
Feature Description
Microprocessor MC68060 at 50 MHz (MVME177-00 x ) or 60 MHz (MVME177-01 x )
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
control
Mixed EPROM/Flash, or
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