TRC006

TRC006
Trident Robotics
and Research, Inc.
TRC006
User’s
Manual
2516 Matterhorn Drive, Wexford, Pennsylvania 15090-7962
(412) 934-8348
The information in this document is subject to change without notice.
Trident Robotics and Research, Inc. does not guarantee the accuracy of the information contained in this
document and makes no commitment to keep it up-to-date.
Trident Robotics and Research, Inc. makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
This device is not intended for use in life support equipment and should not be used in any medical or
other application where intermittent malfunction or failure may directly jeopardize the health or wellbeing of an individual or individuals without adequate safeguards.
Address comments concerning this document to:
Trident Robotics and Research, Inc.
User Documentation Dept.
2516 Matterhorn Drive
Wexford, PA 15090-7962
(412) 934-8348
Revised: December, 1996
TRC006 User’s Manual
Page i
Table of Contents
1.0 Introduction . . . . . . . . . .
1.1 General Information .
2.0 Specifications . . . . . . . . .
3.0 Installation . . . . . . . . . .
3.1 General Information .
3.2 Address Space Size . .
3.3 Base Address Selction
4.0 Operations . . . . . . . . . .
4.1 General Information .
4.2 Reads and Writes . . .
TRC004 User's Manual
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.1
.1
.1
.1
.1
.1
.1
.2
.2
.2
Page ii
Trident Robotics and Research, Inc.
TRC006
busTRTM Interface Card for ISA
1.0 Introduction
1.1 General Information
The TRC006 is a bus decoder/buffer card for the ISA bus. It provides a single busTR interface to connect any one of a variety of Trident Robotics’ remotable I/O boards for servo applications. This allows locating noise sensitive analog electronics away from the computer bus, closer
to the analog plant you are trying to control.
2.0 Specifications
The TRC006 is addressable in I/O space only, using 16-bit words. It does not respond to byte
accesses. The TRC006 can be configured to consume either 32 or 64 bytes of the I/O space. No
interrupt support is provided.
3.0 Installation
3.1 General Information
The TRC006 is transparent from a software standpoint and can be installed in any ISA slot.
For use in an EISA bus, it can also be addressed in slot-specific mode with greater addressing
capabilities. There are no configuration registers. All configuration is done by means of DIP
switches, shown in Figure 3.1, which are described below. To turn a switch "ON," push the slider
toward the "ON" label.
3.2 Address Space Size
DIP switches 3 and 4 determine the size of the addressable space of the TRC006. For 32 bytes
turn switch 3 off and switch 4 on. For 64 bytes (TRC004, TRC020, TRC040), turn switch 3 on
and switch 4 off.
3.3 Base Address Selction
Address bits 5-9 are selectable and correpond to DIP switches 5-9. An "ON" switch represents
ON
1 2
3 4
5
= on = 0
6
7 8
9
= off = 1
Figure 3.1: TRC006 DIP Switches
TRC006 User's Manual
Page 1
logic 0. Bit 5 is "don’t care" in 64-byte mode.
Address bit 0 is not decoded by the busTR interface, so all accesses must be word-length and
word-aligned.
For ISA bus systems, the base address can be set to any address between 100h and 3A0h that
does not interfere with other system or peripheral I/O addresses. (COM ports use 2E8h-2EFh,
2F8h-2FFh, 3E8h-3EFh, and 3F8h-3FFh.) For EISA bus systems it is recommended to set the
base address in the range 000h-0FFh and use slot-specific I/O access. Slot-specific I/O accesses
are achieved by pre-pending the slot number to the base address (i.e. 6000h for slot 6 with base
address 000h.)
4.0 Operations
4.1 General Information
To a host computer, the connected busTR board is characterized as a block of 16-bit memory
locations as described in the user’s manual for the respective board. These locations reside on 16bit boundaries from the base address. The busTR interface does not decode address bit A0 (lsb) so
all data transfers must be word size and word aligned. The TRC006 is transparent except for
establishing the base address.
4.2 Reads and Writes
All reads and writes to and from the busTR board connected to the TRC006 occur within the
specified address space, subject to the selection of the base address as described in Section 3.0.
All accesses must be word-sized and word-aligned.
TRC006 User's Manual
Page 2
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