Motorola MVME135 User manual

MVMEI35/ D2
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(f!yMOTOROLA
HVHE135/135-1fKV"E136
CUSTOMER lmER
HVHEl3l/l)
SEPTEMBER 1987
This letter ;s directed to customers using MVMEl35Bug, Revision 1.0, and to
software designers writing code for the MC6B681 OUART on the MVME135. The
purpose is to clarify an error in the data sheet on the H(68681 which defines
the reset condition of the Interrupt Status Register (lSR) as $00. Two
potential situations exist th at can cause this register to not be read as SOO
after a power-up or reset condition.
The first case involves bits two and six of the lSR. the Delta Break bits for
each serial port. Due to an anomaly in the chip circuitry, either of these
bits may be set after a power-up condition. This anomaly has been verified by
both vendors of the chip (Motorola and Signetlcs) and should not be considered
fatal faults in the
part. as their power-up conditions will not affect normal
operation of these bits. The proper initialization sequence for these bits is
to write all port control registers to desired values, then issue a " Reset
Channel x Break Change Interrupt" command for each channel. At this point,
the
state of these bits will be valid and further operations of these bits
will be accurate.
The second case involves bit three of the ISR, the Counter/ Timer Ready bit.
This bit may be set after a power-up or reset condition and prior to being
read by software In the lSR. The reason for this is that the HC68681 powers
up in the free running timer mode. and the timer may reach the end of a count-
down sequence, setting the Counter/Tim~r Ready bit at any time after release
of the reset line. This
status condition is normal to the device and will not
affect normal operation of the part. The proper Initialization sequence for
the
HC68681 timer Is to initialize the desired timer modes, then perform a
read of the Stop Counter command address to clear ISR bit three. At this
pOint. further setting of the bit will be due to normal counter/timer
operation
and may be considered valid.
Due to operation of the ISR In the MC68681 as described above. intermittent
failures of the
MVMEI358ug. Revision 1.0, confidence test at test SAO may be
observed. These failures are related to the ISR not containing SOO after
reset. As described, this is not a fatal error, and the MVHE135Bug will
operate normally
after exiting the confidence test. Future releases of the
MVMEI35Bug will correct for the operation of the HC68681 and will not
demonstrate this error.
We apologize for any inconvenience this may cause.
:m,. ... '''UO''._ .. __ lY

-- - -- ----- ----------------------------
BUSINESS REPLY MAIL
FIRST CLASS MAIL PERMIT NO . 2565 PHOENIX, ARIZONA
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SAFETY SUMMARY
SAFETY DEPENDS ON YOU
The following general safety precautions must be observed during all phases of operation. service, and
repair of this equipment. Failure to comply with these precautions or with specific warnings elsewhere
In this
manual violates safety standards of design, manufacture, and Intended use of the equipment.
Motorola Inc. assumes no /lability for the customer's failure to comply with these requirements. The
safety
precautions listed below represent warnings of certain dangers of which we are aware. You, as
the user of the product. should follow these warnings and all other safety precautions necessary for
the safe operation of the eq~lpment In your operating environment.
GROUND THE INSTRUMENT.
To minimize shock hazard, the equipment chassis and enclosure must be connected to an electrical
ground. The equipment is supplied with a three-conductor ac power cable. The power cable must either
be plugged into an approved three-contact electrical outlet or used with a three-contact to two-contact
adapter. with the grounding wire (green) firmly connected to an electrical ground (safety ground) at the
power outlet. The power jack and mating plug of the power cable meet International Electrotechnical
Commission (IEC) safety standards.
DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE.
Do not operate the equipment in the presence of flammable gases or fumes. Operation of any electrical
equipment in such an environment constitutes a definite safety hazard.
KEEP AWAY FROM LIVE CIRCUITS.
Operating personnel must not remove equipment covers. Only Factory Authorized Service Personnel or
other qualified maintenance personnel may remove equipment covers for internal subassembly or
component replacement or any internal adjustment. Do not replace components with power cable
connected. Under certain conditions, dangerous voltages may exist even with the power cable removed.
To avoid injuries. always disconnect power and di~charge circuits before touching them.
DO NOT SERVICE OR ADJUST ALONE.
Do not attempt internal service or adjustment unless another person, capable of rendering first aid and
resuscitation. is present.
USE CAUTION WHEN EXPOSING OR HANDLING THE CRT.
Breakage of the Cathode-Ray Tube (CRT) causes a high-velocity scattering of glass fragments (implo-
sion). To prevent CRT implosion, avoid rough handling or jarring of the equipment. Handling of the
CRT
should be done only by qualified maintenance personnel USing approved safety mask and gloves.
DO NOT SUBSTITUTE PARTS OR MODIFY EQUIPMENT.
Because of the danger of introducing additional hazards, do not install substitute parts or perform any
unauthorized modification of the equipment. Contact Motorola Field Service Division for service and
repair to ensure that
safety features are maintained.
DANGEROUS PROCEDURE WARNINGS.
Warnings, such as the example below, precede potentially dangerous procedures throughout this
manual. Instructions contained in the warnings must be followed. You should also employ all other
safety precautions which you deem necessary for the operation of the equipment in your operating
environment.
WARNING
Dangerous voltages, capable 01 causing death, are present In this equipment. Use extreme
caution when handling, testing, and adjusting.
SP015163 R.l (1/88)

PREFACE
This manual provides general information, hardware preparation,
installation instructions, functional description, and support
information for the MVME135/MVME136 Monoboard Series of 32-Bit
Microcomputers.
This manual is intended for anyone who wants to design OEM systems,
supply additional capabil ity to an existing compatible system or in
a 1 ab environment for experimental purposes.
A bas i c knowl edge of computers and di gita 1 1ogi cis assumed.
To use this manual, you should be faimilar with the publications
listed in the Re7ated Documentation paragraph in Chapter 1 of this
manual.

The computer programs stored in the read only memories of this device contain
material copyrighted
by r10torola Inc., first published 1988. and may be used
only under a license such as the License for Computer Programs (Article 14)
contained in Motorola's Terms and Conditions of Sale. Rev. 1/79.
WARNING
THIS EQUIPMENT GENERATES, USES, AND CAN RADIATE RADIO
FREQUENCY ENERGY AND IF NOT INSTALLED AND USED IN
ACCORDANCE WITH THE INSTRUCTIONS MANUAL, MAY CAUSE
INTERFERENCE TO RADIO COMMUNICATIONS. IT HAS BEEN TESTED
AND FOUND TO COMPLY WITH THE LIMITS FOR A CLASS A
COMPUTING DEVICE PURSUANT TO SUBPART J OF PART 15 OF FCC
RULES, WHICH ARE DESIGNED TO PROVIDE REASONABLE PROTECTION
AGAINST SUCH INTERFERENCE WHEN OPERATED IN A COMMERCIAL
ENVIRONMENT. OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL
AREA IS LIKELY TO CAUSE INTERFERENCE IN WHICH CASE THE
USER, AT HIS OWN EXPENSE, WILL BE REQUIRED TO TAKE
WHATEVER MEASURES NECESSARY TO CORRECT THE INTERFERENCE.
VMEmodule, VSBbus. and 135bug are trademarks of Motorola Inc.
Second Ed it ion
Copyright 1989 by r10torola Inc.
First Edition April 1987

MYMEI35, MYMEI35-1, MVMEI35A,
MVME136, AND MVMEl36A
32-BIT MICROCOMPUTERS
USER'S MANUAL
(MVMEI35jD2)

The information in this document has been carefully checked and is
believed to be entirely reliable. However, no responsibility is
assumed for inaccuracies. Furthermore, Motorola reserves the right
to make changes to any products herei n to improve rel i abi 1i ty,
function, or design. Motorola does not assume any liability arising
out of the application or use of any product or circuit described
herein; neither does it convey any license under its patent rights
or the rights of others.

TABLE OF CONTENTS
CHAPTER 1 - GENERAL INFORMATION
1.1
1.2
1.3
1.3.1
1.3.2
1.4
1.5
1.6
1.7
I NTRODUCT ION ...•••.••.•..•.......•...........••.•
FEATURES .....•..••.•.•••..•.•....••..............
SPECIFICATIONS ................................. ..
Cooling Requirements •.....•.•••••••.•..•....•.
FCC Comp 1i ance •.•.•.......•••.••..••.•.•......
GENERAL DESCRIPTION ............................. .
MVME135/136 CONFIGURATIONS ..•.•.............••.•.
REFERENCE DOCUMENTATION ...............•.....••...
MANUAL TERMINOLOGY .............................. .
CHAPTER 2 - HARDWARE PREPARATION AND INSTALLATION
Page
1-1
1-1
1-2
1-4
1-4
1-5
1-5
1-6
1-7
2.1 INTRODUCTION.. .
.. • .. . .. .. . . .. .. . . .... .. . . .. . . .. .. 2-1
2.2
UNPACKING INSTRUCTIONS .... ...•.••••••... ......... 2-1
2.3
HARDWARE PREPARATION............................. 2-1
2.3.1 VMEbus Lock For VSBbus (Jl) .... ..... ......•... 2-4
2.3.2 Bus Grant/Request Level Select (J2) ........... 2-4
2.3.3 Factory Test Jumper (J5) .. ........ .•.•..••.... 2-6
2.3.4 RAM Acknowledge Mode (J6) .. ........... .....••• 2-6
2.3.5 ROM Size Select (J7) •.•................. ...••• 2-7
2.3.6 DRAM Address Multiplex Select (J8) •.........•• 2-8
2.3.7 Local/VMEbus Timeout Disable (Jll) ............ 2-8
2.3.8 DRAM Cycle Start Mode Select (J12) .......••.•. 2-9
2.3.9 External Timer Select (JI3,J14) ••.......•.•... 2-10
2.4 SERIAL PORT CABLING.............................. 2-11
2.4.1 DB-9 To DB-25 Cable Connection .•.............. 2-11
2.5 VME CHASSIS INSTALLATION •...•.................... 2-12
CHAPTER 3 - OPERATING INSTRUCTIONS
3.1 INTRODUCTION.............. ........ ...... ......... 3-1
3.2 FRONT PANEL...................................... 3-1
3.2.1 LED Indicators................................ 3-1
3.2.2 ABORT Switch (Sl) ............................. 3-1
3.2.3 RESET Switch (S2) ............................. 3-1
3.2.4 Mapping Switch (S3) ........................... 3-3
3.2.5 System Configuration Switch (S4) ...........•.. 3-10
3.3 MEMORY MAP AND MAP DECODER .•.•.•..•...••...••...• 3-11
3.3.1 MVME135/135-1/135A Main Memory Map •.•......... 3-12
3.3.2 MVME136/135A Main Memory Map .....•............ 3-13
vii