MotorolaPMC expansion combined with a high-performance VME processor

Read Burst Mode (50ns

EDO):

8-1-1-1 idle; 2-1-1-1 aligned page hit

Write Burst Mode: 4-1-1-1 idle; 3-1-1-1 aligned page hit

Architecture: 128-bit, two-way interleaved

Parity/ECC: No/Yes

L2 CACHE: 256KB

Cache Bus Clock

Frequency:

Processor clock divided by 2

FLASH: On-board programmable

Capacity: 1MB via two 32-pin PLCC/CLCC sockets; 

8MB surface mount

Read Access (8MB

port):

68 clocks (32 byte burst)

Read Access (1MB

port):

260 clocks (8 byte burst)

Write Access

(1MB/8MB):

19 clocks (2 bytes/8 bytes)

NVRAM: 8KB (4KB available for users)

Cell Storage Life: 50 years at 55° C

Cell Capacity Life: 10 years at 100% duty cycle

Removable Battery: Yes

Address/Data: A32/D32/D64

PCI Bus Clock: 33 MHz

Signaling: 5 V

Connector: 114-pin connector located on the planar of 

the MVME2600 between P1 and P2

Controller: Tundra Universe

DTB Master: A16–A32; D08–D64, BLT

DTB Slave: A24–A32; D08–D64, BLT, UAT

Arbiter: RR/PRI

Interrupt

Handler/Generator:

IRQ 1–7/Any one of seven IRQs

System Controller: Yes, jumperable or auto detect

Location Monitor: Two, LMA32

MVME761 MVME712M

Controller: DEC 21140 DEC 21140

Interface

Speed:

10/100Mb/s AUI (10Mb/s)

PCI Local bus

DMA:

Yes, with PCI burst Yes, with PCI burst

Connector: Routed to P2,

RJ-45 on MVME761

Routed to P2,

DB-15 AUI on 

MVME712M

MVME761 MVME712M

Controller: Symbios 53C825A Symbios 53C825A

PCI Local Bus

DMA:

Yes, with PCI local bus 

burst

Yes, with PCI local bus 

burst

Asynchronous: 5.0MB/s 5.0MB/s

Synchronous: 10.0MB/s (8-bit mode), 

20.0MB/s (16-bit mode)

10.0MB/s (8-bit mode), 

20.0MB/s (16-bit mode)

Connector: Routed to P2, 50- or 

68-pin on 

MVME761EXT

Routed to P2, SCSI D-50 

on MVME712M

MVME761 MVME712M

Controller: PC87308 PC87308, 

85230/8536

Number of

Ports:

Two, 16550 compatible Two, 16550 compatible 

and one 85230/8536

Configuration: EIA-574 DTE EIA-232 DCE/DTE

Async Baud

Rate, bps

max.:

38.4K EIA-232, 115Kb/s 

raw

38.4K EIA-232, 115Kb/s 

raw

Connector: Routed to P2, DB-9 on 

MVME761

Routed to P2, DB-25 on 

MVME712M

Synchronous Serial Ports

Parallel Port

Counters/Timers

Floppy

Mouse Interface

Keyboard Interface

IEEE P1386.1 PCI Mezzanine Card Slot

Board Size

Miscellaneous

Reset and abort switches on front panel; six LEDs for FAIL, CHKSTP, 

CPU, PCI, SCON and FUSE

Transition Module I/O Connectors

Board Size

MVME761 MVME712M

Controller: 85230/8536 85230/8536

Number of

Ports:

Two One

Configuration: TTL to P2 (both ports), 

SIM on MVME761

EIA-232 DCE/DTE

Baud Rate, bps

max.:

2.5MB sync, 38.4KB 

async

2.5MB sync, 38.4KB 

async

Oscillator

Clock Rate

(PCLK):

10 MHz/5 MHz 10 MHz/5 MHz

Connector: Routed to P2, HD-26 on 

MVME761

Routed to P2, DB-25 on 

MVME712M

MVME761 MVME712M

Controller: PC87308 PC87308

Configuration: 8-bit bidirectional, full 

IEEE 1284 support; 

Centronics compatible

8-bit bidirectional, IEEE 

1284 minus EPP and 

ECP

Modes: Master only Master only

Connector: Routed to P2, HD-36 on 

MVME761

Routed to P2, D-36 on 

MVME712M

TOD Clock Device: M48T18; 8KB NVRAM

Real-Time

Timers/Counters:

Four, 32-bit programmable

Watchdog Timer: Time-out generates reset

Controller: PC87308

Compatible Controllers: DP8473, 765A, N82077

Configuration: 3.5" 2.88MB and 1.44MB; 5.25" 1.2MB

Connector: HD-50 on front panel

Controller: PC87308

Connector: 6-pin circular female mini DIN on front 

panel

Controller: PC87308

Connector: 6-pin circular female mini DIN on front 

panel

Address/Data: A32/D32/D64, PMC PN1, PN2, PN3, PN4 

connectors

PCI Bus Clock: 33 MHz

Signaling: 5 V

Power: +3.3 V, +5 V, ±12 V; 7.5 watts maximum 

per PMC slot

Module Types: Basic, single-wide, front panel I/O or P2 

I/O (Note: P2 I/O is only accessible to 

systems equipped for VME64 extension 

connectors.)

Height: 233.4 mm (9.2 in.)

Depth: 160.0 mm (6.3 in.)

Front Panel Height: 261.8 mm (10.3 in.)

Width: 19.8 mm (0.8 in.)

Max. Component

Height:

14.8 mm (0.58 in.)

Asynchronous Serial Ports: Two, DB-9 labeled as COM1 and COM2 Three, DB-25 labeled as Serial 1, Serial 2 and Serial 3

Synchronous Serial Ports: Two, HD-26 labeled as Serial 3 and Serial 4 (user 

configurable via installation of SIMs;

two 60-pin connectors on MVME761 planar for 

installation of two SIMs

One, DB-25 labeled as Serial 4

Parallel Port: HD-36, Centronics compatible D-36, Centronics compatible

Ethernet: 10BaseT or 100BaseTX RJ-45 10Mb/s Ethernet;

DB-15 AUI

SCSI: 8- or 16-bit, 50- or 68-pin connector via P2 adapter 8-bit, standard SCSI D-50