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Bruker BioSpin
Digital Preemphasis Processor
001
NMR Spectroscopy
DPP1
Technical Manual
This manual was written by
Bernd Jennissen
© October 7, 2008: Bruker Biospin GmbH
Rheinstetten, Germany
P/N: Z31844
DWG-Nr.: Z4D10609 - 001
For further technical assistance on the Digital Preemphasis
Processor unit, please do not hesitate to contact your nearest
BRUKER dealer or contact us directly at:
BRUKER BioSpin GMBH
am Silberstreifen
D-76287 Rheinstetten
Germany
Phone: + 49 721 5161 0
FAX: + 49 721 5171 01
E-mail: service@bruker.de
Internet: www.bruker.com
Copyright © by Bruker BioSpin NMR GmbH
All rights reserved. No part of this publication
may be reproduced, stored in a retrieval
system, or transmitted, in any form, or by any
means without the prior consent of the
publisher. Product names used are
trademarks or registered trademarks of their
respective holders.
Technical Manual Version 001 BRUKER BIOSPIN 3
Contents
Contents ............................................................................ 3
1 Introduction ........................................................................ 5
1.1 Scope of this Manual .......................................................................... 5
1.2 Disclaimer .......................................................................................... 6
1.3 Safety Issues ...................................................................................... 6
Special Safety Symbols ...................................................................7
1.4 Intended Use ...................................................................................... 7
1.5 Contact for Technical Assistance ........................................................ 7
2 Installation and Handling ................................................... 9
2.1 Product Requirements and Handling ................................................... 9
PCI Requirements ..........................................................................9
2.2 Handling ............................................................................................ 9
2.3 Mounting the DPP1 PCI Board .......................................................... 10
2.4 Booting the DPP1 ............................................................................. 10
2.5 Ports ................................................................................................ 11
Connectors ...................................................................................12
Currents and Voltages ..................................................................12
3 Reference Numbers .......................................................... 13
4 Product Status and Modifications ................................... 15
4.1 Introductory Status ........................................................................... 15
Program File ............................................................................15
4.2 Configuration and Settings ................................................................ 15
Jumper Setting .........................................................................15
PCI Bus ....................................................................................15
LVDS Configuration ..................................................................16
Firmware ..................................................................................16
4.3 Modification History .......................................................................... 16
5 Description ....................................................................... 17
5.1 Versions ........................................................................................... 17
5.2 Structure .......................................................................................... 17
The PCI Interface ..........................................................................18
Bus Structure ...........................................................................18
DSP .........................................................................................18
LVDS .......................................................................................19
FIFO’s ......................................................................................19
Memory ....................................................................................19
Operation .................................................................................19
4 BRUKER BIOSPIN Technical Manual Version 001
Contents
Features .................................................................................. 19
5.3 LVDS Data Structure ........................................................................ 19
5.4 Software Interface ............................................................................ 21
PCI Bus Interface ......................................................................... 21
PCI Software Interface .................................................................. 22
Local Bus Interface .................................................................. 24
Local Bus Configuration Registers ................................................ 24
................................................................................................ 24
Local Bus Address Map ................................................................ 26
Flash Prom at the Local Bus ......................................................... 26
Registers at the Local Bus ............................................................ 27
Pipeline Register ..................................................................... 28
DSP Reset ............................................................................... 29
Local Address Layout ................................................................... 29
Local Bus Chip Select Usage ................................................... 29
The DSP 6713 .............................................................................. 29
DSP Boot Mode and Configuration ........................................... 29
DSP Defined Address Ranges ................................................. 30
The DSP External Memory Interface (EMIF) ............................. 32
The DSP PLL Register ............................................................. 33
Configuration of Interrupts ............................................................ 35
Interrupts from Logic or DSP to Host ........................................ 35
Configuration of the External Memory Interface (EMIF) ............ 36
Content of EMIF Register and Resulting Memory Allocation ..... 36
Description of the Global Control Register ............................... 37
Description of the Global Control Register ............................... 38
DSP Address Map ........................................................................ 41
................................................................................................ 41
Registers at the EMIF Bus ............................................................ 41
5.5 Functionality of Devices ................................................................... 44
Digital Preemphasis ................................................................. 44
DPP Pipeline ................................................................................ 44
Detailed Procedure .................................................................. 44
Functional Coordination between the Hardware and Software .. 45
Serial Gradient Cycle, Serial Processing by the DSP ................ 46
Description .............................................................................. 47
Description ............................................................................. 48
5.6 Engineering Design .......................................................................... 49
Dimensions .............................................................................. 49
JTAG Structure ........................................................................ 49
Figures ............................................................................. 51
Tables ............................................................................... 53
Technical Manual Version 001 BRUKER BIOSPIN 5 (55)
1
Introduction 1
Scope of this Manual 1.1
The DPP1 (Digital Pre-emphasis Board 1) is a Customer Replaceable Unit (CRU)
used with Bruker AQS/3 type spectrometers with IPSO. This manual is intended
for trained service and technical personnel and includes instructions on the instal-
lation and handling of the DPP1, as well as other detailed technical specifications
and information.
The DPP1, is a standard PCI expansion card. It modifies the data stream sent by
the gradient controller (G–Controller) to the gradient amplifier. The DPP1 is super-
vised by a software driver running under LINUX and has to be mounted in an PCI
environment (see "Installation and Handling" on page 9).
Figure 1.1. Top View of the DPP1
1. Input from the Gradient Controller
2. Output to the Gradient Amplifier
3. Next Value Clock Input
4. Reset Button
1
2
3 4 5 6
7
5. DSP Emulation Switch
6. DSP JTAG Connector
7. JTAG Programming/Test Connector
6 (55) BRUKER BIOSPIN Technical Manual Version 001
Introduction
Disclaimer 1.2
The DPP1 should only be used for its intended purpose as described in this man-
ual. Use of the DPP1 for any purpose other than that for which it is intended is tak-
en only at the users own risk and invalidates any and all manufacturer warranties.
Read this manual and pay particular attention to any safety related information
before working with the DPP1.
Safety Issues 1.3
These instructions refer to all IPSO models.
The IPSO may be damaged by inappropriate usage. The damage could be such,
that the equipment must not be used before having been checked by a service
representative.
The user should recheck the equipment at regular intervals for any damage or
wear and is expected to inform the service representative immediately of any ab-
normality.
In the unlikely case of one of the following, stop using the equipment, disconnect
the power supply, report the circumstance to the service staff and ask for instruc-
tions:
•The power cord, power plug or power supply are cracked, brittle or damaged.
•Signs of excessive heat are apparent.
•There is evidence or suspicion that a liquid has intruded into any enclosure.
•The power cord or the power supply have been in contact with any liquid.
•The IPSO has been dropped or damaged in any way.
•The equipment does not work correctly.
WARNING!
If you are in doubt about the correct state of any component, do not
use the equipment and inform the service staff.
WARNING!
Do not try to service the equipment by yourself, unless you are spe-
cifically asked to do so and are given instructions by the service
staff. In case of questions or problems, please contact your nearest
Bruker office or representative.
Intended Use
Technical Manual Version 001 BRUKER BIOSPIN 7 (55)
Special Safety Symbols 1.3.1
These symbols are used on the equipment and/or throughout this manual. They
alert to danger and important information:
There are various information notices used in this manual. These notices highlight
important information or warn the user of a potentially dangerous situation.
Intended Use 1.4
The DPP1 is to be used only in a PCI environment and with Bruker AVANCE III
spectrometers for the modification of data streams sent by the gradient controller.
The board is not intended for use outside of these standard parameters.
Contact for Technical Assistance 1.5
For further technical assistance on the DPP1, please do not hesitate to contact
your nearest BRUKER dealer or contact us directly at:
BRUKER BioSpin GMBH
am Silberstreifen
D-76287 Rheinstetten
Germany
Phone: + 49 721 5161 0
FAX: + 49 721 5171 01
E-mail: service@bruker.de
Internet: www.bruker.com
WARNING!
This symbol denotes hints or instructions throughout this manual
whose non-compliance could lead to erroneous or incalculable
behavior of the system.
WARNING!
The symbol indicates a potential risk of injury due to contact with
high voltage.
Technical Manual Version 001 BRUKER BIOSPIN 9 (55)
2
Installation and
Handling 2
Product Requirements and Handling 2.1
The DPP1 Digital Preemphasis Board is a Customer Replaceable Unit (CRU). To
insert or remove the DPP1 follow the instructions in this manual.
Replacing CRU‘s requires opening of the enclosure. Before doing this, the unit
must be completely switched off and unplugged or disconnected and dismounted
from its rack.
PCI Requirements 2.1.1
Handling 2.2
Type of PCI Bus: 32 bit/ 33 MHz
Length of the card: Short, 176mm
PCI functions: Single
Number of interrupts: One at interrupt A, pin A6
PCI signal voltage: The DPP1 can be used in 3.3 V or 5 V buses.
Signals received have to be between 3.3 V to 5 V (5 V tolerance).
The level of signals sent depends on the voltage at the “VI/O” pins
A16, B19, A59 and B59 of the PCI slot used.
Handling under ESD safety conditions is necessary. Do not touch uncov-
ered PCB or connector metal without first discharging yourself!
Do not connect a receiver to the LVDS connector of the controller in slot 2
of the IPSO 19” Unit. The data will never be valid in this location.
A LVDS cable should never be removed from or connected to a powered
controller. Corrupted data could be sampled as valid.
Do not connect more than one gradient amplifier to the same system.
10 (55) BRUKER BIOSPIN Technical Manual Version 001
Installation and Handling
Mounting the DPP1 PCI Board 2.3
The DPP1 board is intended to be mounted in a PCI environment. The driver is LI-
NUX specific and will only work in an AVANCE III IPSO system.
DSP firmware is loaded from the TopSpin PC via the PCI bus and Ethernet.
All gradient values are transferred over two 48–bit LVDS interfaces.
The Next–Value (NV) clock signal is attached using a coax cable on the IPSO 19
inch case, or using a PCI connector pin on the IPSO AQS.
Figure 2.1. IPSO Functional Signal Flow
Booting the DPP1 2.4
The boot process starts after turning on the IPSO. The configuration is carried out
beginning with post code “49” and LINUX begins to boot if the post code exceeds
“60”.
Recognition of the DPP1 during booting can be verified using the Web server on
the IPSO or by using a browser on the TopSpin PC. The IPSO IP address, which
is needed by the browser, can be located: in TopSpin, in the Hyper Terminal or in
a shell on the workstation.
In TopSpin:
Type “ha” at the command line to display a dialog for all devices. Click on
IPSO to open a browser with the IPSO’s IP address.
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