AcQuisition Technology Quad M-module Carrier i4000 Manual de usuario
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Instra
i4000
Quad M-module carrier for VMEbus
Hardware Manual
Revision 3.0
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page 2 i4000 - Quad M-module Carrier for VMEbus-
AcQuisition Technology B.V. Tel: +31 412 651055
P.O. Box 627, 5340 AP OSS, The Netherlands Fax: +31 412 651050
Copyright statement: Copyright © 1996 by AcQuisition Technology B.V. - OSS The Netherlands
All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a
retrieval system, or translated into any language or computer language, in any form or by any means,
electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written
permission of AcQuisition Technology B.V.
Disclaimer:
The information in this document has been carefully checked and is believed to be entirely reliable.
However, no responsibility is assumed for inaccuracies. AcQuisition Technology B.V. makes no
representations or warranties with respect to the contents hereof and specifically disclaims any implied
warranties of merchantability or fitness for any particular purpose. Furthermore, AcQuisition Technology
B.V. reserves the right to make changes to any product herein to improve reliability, function or design,
without obligation of AcQuisition Technology B.V. to notify any person of such revision or changes.
AcQuisition Technology B.V. does not assume any liability arising out of applications or use of any
product or circuit described herein; neither does it convey any license under its patent rights nor the
rights of others.
Printed in The Netherlands.
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i4000 - Quad M-module Carrier for VMEbus page 3
AcQuisition Technology B.V. Tel: +31 412 651055
P.O. Box 627, 5340 AP OSS, The Netherlands Fax: +31 412 651050
Contents
1. Using the manual ...................................................4
1.1. Validity of this manual ...........................................4
1.2. Ordering considerations .........................................4
2. Introduction .......................................................5
2.1. Technical overview .............................................5
2.2. Block diagram .................................................5
3. VMEbus interface ...................................................6
3.1. Address interface ...............................................6
3.2. The interrupter .................................................7
3.3. Dipswitch locations .............................................8
3.4. VMEbus P1 connector assignments ................................9
4. Module installation .................................................10
4.1. Mounting the module ..........................................10
4.2. P2 connector assignments ......................................10
4.3. i4000 - module interface connector assignments ....................12
5. Software issues ....................................................13
5.1. Address mapping ..............................................13
5.2. The interrupt controller .........................................14
5.2.1. Functional description ....................................14
5.2.2. Register description ......................................14
5.2.3. Control register .........................................15
5.2.4. Vector registers .........................................16
5.2.5. Interrupt controller reset ..................................16
6. Annex ...........................................................17
6.1. Bibliography ..................................................17
6.2. Difference compared to former versions ...........................17
6.3. Technical data ................................................18
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page 4 i4000 - Quad M-module Carrier for VMEbus-
AcQuisition Technology B.V. Tel: +31 412 651055
P.O. Box 627, 5340 AP OSS, The Netherlands Fax: +31 412 651050
NOTE: P2 connector on the i4000 is NOTNOT VMEbus
compatible !!!
1. Using the manual
This manual serves as instruction for the operation of the VMEbus board i4000, the
connection of peripheral devices and the integration in a VMEbus system. Furthermore it
gives the user additional information for special applications and configurations of the
assembly.
Detailed information concerning the individual assemblies (data sheets etc.) are not part
of this manual. In the annex you will find a bibliography.
This manual describes the hardware of the assembly.
Notes concerning the nomenclature:
Hex numbers are marked with a leading "$"-sign: for example: $800000 or $BFFFFF.
Active-low signals are represented by a trailing asterisks (i.e. IACK*).
1.1. Validity of this manual
The contents of this manual is valid for i4000 revision 2.x
1.2. Ordering considerations
The i4000 comes in two types: with, or without the P2 connector mounted.
Order Code Description
i4000/P2 i4000 with P2 connector mounted
i4000/NP2 i4000 without P2 connector mounted
One should NOT apply the i4000/P2 when:
•a P2 backplane is in the VMEbus rack, or
•galvanic isolation is required.
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Timing &
Control
Interrupt
Controller
M-module
slot 0
M-module
slot 1
M-module
slot 2
M-module
slot 3
i4000 - Quad M-module Carrier for VMEbus page 5
AcQuisition Technology B.V. Tel: +31 412 651055
P.O. Box 627, 5340 AP OSS, The Netherlands Fax: +31 412 651050
Figure 1 i4000 Block Diagram
2. Introduction
The i4000 is a modular passive peripheral-controller for the VME-bus. Up to four
M-modules can be connected to the board to form a peripheral-controller..
2.1. Technical overview
The i4000 has the following features:
•4 M-module slots
•One VMEbus slot needed
•short or standard VMEbus addressing (A16/A24)
•byte or word data transfer (D08/D16)
•D08(O) VMEbus interrupter
•peripheral I/O connections either up front or via the VME-P2 connector.
•Additional mounting holes to secure the modules
2.2. Block diagram
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onoff
off
on
on
off
on
on
on
on
on
on
on
on
on
A23
A22
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
AM4
SW2
off
SW1 (standard address space)
EXAMPLE:
Base Address $900000
I4000-swa
1
2
3
4
5
6
7
8
1
2
3
4
5
6
page 6 i4000 - Quad M-module Carrier for VMEbus-
AcQuisition Technology B.V. Tel: +31 412 651055
P.O. Box 627, 5340 AP OSS, The Netherlands Fax: +31 412 651050
3. VMEbus interface
3.1. Address interface
The i4000 can be selected to accept either short addressing, using 16 bit addresses
(A16) or standard addressing, using 24 bit addresses (A24).
When using short addressing up to 32 i4000 boards can be put in a single VMEbus
system since the lower 11 address lines (A0-A10) are used internally on the i4000. If
standard addressing is used, a larger address space is available to select the board.
The memory space occupied by the i4000 is $800 bytes long. This memory space is
equally spread across the four modules. so each module occupies $200 bytes. From
these $200 bytes address space half is used by the interrupt controller. The address
space for each module is therefore $100 bytes long (8 bit addressing).
The address space of the i4000 is selectable using dip switches (SW1 and SW2) which
are accessible even when the four module slots are occupied. When a switch is "on" the
corresponding address line is a logical "zero" and when a switch is "off" the
corresponding address line is "one".
Address modifier AM4 can be used to select either standard or short memory
addressing. If AM4 is "one" (the switch is in the off position) standard addressing is
selected. If AM4 is "zero" (switch on) short addressing is selected. When using short
addressing the address lines A16-A23 are don't cares.
Figure 2 Address Selection
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i4000 - Quad M-module Carrier for VMEbus page 7
AcQuisition Technology B.V. Tel: +31 412 651055
P.O. Box 627, 5340 AP OSS, The Netherlands Fax: +31 412 651050
3.2. The interrupter
The i4000 has a special interrupter which is largely compatible with the M68C153. The
interrupter is a so called D08(O) type interrupter which means that the interrupter
during an interrupt acknowledge cycle will put a status byte on the data line D0-D7. The
interrupter has one interrupt level (IRQ1-IRQ7) selectable by dip switches (SW3) for all
the modules. Each module can generate its own vector.
There are two classes of interrupters which are both supported by the i4000: release on
acknowledge (ROAK) or release on register access (RORA). The ROAK interrupter
negates its interrupt request line in response to an interrupt acknowledge cycle. This
mechanism will work with all handlers. The RORA interrupter releases its request when
the handler accesses an on-board register during the interrupt service routine. The
handler performs the acknowledge cycle but the interrupter does not immediately
negate its request. Sometime during the service routine the handler will have to write to
a register on the interrupter which causes it to negate the request.
Figure 3 Interrupt request Level
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page 8 i4000 - Quad M-module Carrier for VMEbus-
AcQuisition Technology B.V. Tel: +31 412 651055
P.O. Box 627, 5340 AP OSS, The Netherlands Fax: +31 412 651050
3.3. Dipswitch locations
The location of the dip switches to select the base address (SW1 and SW2) and the dip
switch to select the interrupt request level (SW3) can be found at the following
locations:
Figure 4 Dip switch locations
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i4000 - Quad M-module Carrier for VMEbus page 9
AcQuisition Technology B.V. Tel: +31 412 651055
P.O. Box 627, 5340 AP OSS, The Netherlands Fax: +31 412 651050
3.4. VMEbus P1 connector assignments
The following table provides signal names for the VMEbus P1 connector as used by the
i4000. (The connector consists of three rows of pins labelled rows a, b and c.)
Pin Row A Row B Row C
01 D00 D08
02 D01 D09
03 D02 D10
04 D03 BG0IN* D11
05 D04 BG0OUT* D12
06 D05 BG1IN* D13
07 D06 BG1OUT* D14
08 D07 BG2IN* D15
09 GND BG2OUT* GND
10 SYSCLK BG3IN*
11 GND BG3OUT*
12 DS1* RESET*
13 DS0* LWORD*
14 WRITE* AM5
15 GND A23
16 DTACK* A22
17 GND A21
18 AS* A20
19 GND A19
20 IACK* GND A18
21 IACKIN* A17
22 IACKOUT* A16
23 AM4 GND A15
24 A07 IRQ7* A14
25 A06 IRQ6* A13
26 A05 IRQ5* A12
27 A04 IRQ4* A11
28 A03 IRQ3* A10
29 A02 IRQ2* A09
30 A01 IRQ1* A08
31 -12V +12V
32 +5V +5V +5V
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