JK microsystems MFlashTCP-EP Manuale utente

µFlashTCP-EP

User’s Manual

µFlashTCP-EP User’s Manual JK

microsystems

Unless otherwise noted, this document and the information herein disclosed are proprietary to

JK microsystems, Inc. Any person or entity to whom this document is furnished or having

possession thereof, by acceptance, assumes custody thereof and agrees that the document is given

in confidence and will not be copied or reproduced in whole or in part to meet the purposes for

which it was delivered.

The information in this document is subject to change without notice, and should not be

construed as a commitment by JK microsystems, Inc. JK microsystems, Inc. will make every

effort to inform users of substantive errors.

JK microsystems, Inc. disclaims all liability for any loss or damage resulting from the use of this

manual or any software described herein, including without limitation contingent, special, or

incidental liability.

JK microsystems, Inc. recognizes our customer’s need for a consistent product and will make

every effort to provide one. In order to provide the best possible product for all of our customers,

we reserve the right to make incremental improvements in our product designs.

µFlashTCP-EP is a trademark of JK microsystems, Inc. MS-DOS is a registered trademark of

Microsoft Corporation. XDOS is a copyright of HBS Corporation. All other brand and product

names are trademarks or registered trademarks of their respective companies.

µFlashTCP-EP User’s Manual Version 2.0

Printed in U.S.A

Document Part No. 94-0013

Published Aug 2003

microsystems

µFlashTCP-EP User’s Manual

ii Limited Warranty

Limited Warranty

JK microsystems, Inc. warrants each µFlashTCP-EP to be free from defects in material and

workmanship for a period of 90 days from the date of purchase. This warranty shall not apply to

any unit which has been subject to misuse, neglect, accident, or abnormal conditions of operation.

JK microsystems’ obligation under this warranty is limited to repairing or replacing, at JK

microsystems’ option, any unit returned to the factory within 90 days of the date of purchase,

provided that JK microsystems determines that the unit is defective and has been used in

compliance with the terms of this warranty. If the failure has been caused by misuse, neglect,

accident, or abnormal conditions of operation, repairs will be billed at a nominal cost.

The foregoing warranty is exclusive and in lieu of all other warranties, expressed or implied,

including, but not limited to, any warranty of merchantability or fitness for any particular

purpose. JK microsystems shall not be liable for any special, incidental or consequential

damages, whether in contract, tort, or otherwise.

Important Notice

Life Support / Mission Critical Applications

This product is not fault-tolerant and is not designed, manufactured or intended for use or resale

as on-line control equipment in hazardous environments requiring fail-safe performance, such as

in the operation of nuclear facilities, aircraft navigation or communication systems, air traffic

control, direct life support machines, or weapons systems, in which the failure of our hardware or

software could lead directly to death, personal injury, or severe physical or environmental

damage.

µFlashTCP-EP User’s Manual JK

microsystems

iii

Table of Contents

Limited Warranty ............................................................................................................................ ii

Table of Contents ...........................................................................................................................iii

Overview ........................................................................................................................................ 1

Features........................................................................................................................................... 1

Operation ........................................................................................................................................ 2

Getting Started ................................................................................................................................ 3

Hardware......................................................................................................................................... 5

Memory Configuration ............................................................................................................. 5

I/O Configuration...................................................................................................................... 5

Digital I/O Ports........................................................................................................................ 5

REM LED................................................................................................................................. 6

Programming the Ports ............................................................................................................. 6

Asynchronous Serial (COM) Ports ........................................................................................... 6

Table 1: UART Registers .................................................................................................... 7

RS-485 Configuration............................................................................................................... 8

Watchdog Timer........................................................................................................................ 8

Ethernet..................................................................................................................................... 9

DiskOnChip ............................................................................................................................ 10

Jumpers................................................................................................................................... 10

JP1 - RS485 Termination.................................................................................................. 10

JP2/3 - COM1 Voltage Levels .......................................................................................... 11

JP5 - RS-485 Transmit Enable Select ............................................................................... 11

JP6 - Socket Memory Type / Boot Memory Location ...................................................... 11

Cables and Connectors ...........................................................................................................11

Table 2: Cable Specifications ........................................................................................... 11

Table 3a: Power Connector Pinout ................................................................................... 12

Table 3b: Multi-I/O Pinout ............................................................................................... 12

Table 3c: General I/O Pinout ............................................................................................ 12

Applications.................................................................................................................................. 13

Supported PC BIOS Functions ............................................................................................... 13

Utilities ......................................................................................................................................... 14

UP.COM ................................................................................................................................. 14

DOWN.COM.......................................................................................................................... 14

FORMAT.COM ......................................................................................................................15

EDIT.COM ............................................................................................................................. 15

DOS .............................................................................................................................................. 16

XDOS Command Reference................................................................................................... 16

QuickBASIC Console I/O ............................................................................................................ 19

Compliance Declarations.............................................................................................................. 20

FCC Warning Statement for Class B Equipment.................................................................... 20

European Community (CE) Declaration of Conformity......................................................... 20

Specifications................................................................................................................................ 21

Contact Information...................................................................................................................... 22

microsystems

µFlashTCP-EP User’s Manual

µFlashTCP-EP User’s Manual JK

microsystems

Overview

The µFlashTCP-EP single board computer is based on the Intel 386Ex microcomputer. The

386Ex is a high performance, 32-bit, single-chip microcomputer that is software compatible with

the Intel 80386 family of microprocessors. Onboard Ethernet provides a direct connection to

10BASE-T networks. DOS compatibility allows development in a familiar environment with a

wide range of tools. High endurance flash memory eliminates EPROM programming without

worry of damaging the onboard non-volatile memory with repeated program cycles. Applications

are uploaded directly into the flash disk. Expansion options provide high capacity flash storage

eliminating the size and reliability problems associated with electro-mechanical storage devices.

Software development for the µFlashTCP-EP is remarkably simple and quick. Programs are

written on a PC compatible computer in the language of your choice. After your application has

been compiled or assembled and linked into .EXE or .COM form, it is uploaded to the

µFlashTCP-EP’s flash disk with your favorite telecommunications program using the X-Modem

protocol. The application can then be tested and debugged through the console serial port. When

the application is running to your satisfaction, the startup batch file can be modified so that the

application will load and execute upon reset or powerup.

These features yield a quick and cost effective solution for applications such as networking,

embedded web and serial protocol conversion.

Features

25MHz Intel 386Ex Processor

10BASE-T Ethernet Controller, NE2000 Compatible

7-34 Volt DC power

512k Bytes RAM Memory

512k Bytes Flash Memory

High Speed PC Compatible Serial Ports:

1 Full-Function (8-wire) RS-232 Port

1 Software Configurable as 3-wire RS-232 or RS-485

Synchronous 4-Wire Serial Port

3 PC Compatible Counter/Timers

Processor Watchdog (Generates hardware reset)

10 Digital I/O Lines (Breakout/Interface options available)

32Pin Dip Socket to accept 512k x 8 bit SRAM, 512k x 8 bit Flash, or M-Systems

DiskOnChip.

Support for Multi-I/O Expansion Boards

DOS and BIOS Compatible with JK microsystems 386Ex products

Compact Size, 4.6" x 4.3" (116.8mm x 109.2mm), 12oz (340gm)

Rugged Aluminium Enclosure

microsystems

µFlashTCP-EP User’s Manual

Operation

The µFlashTCP-EP is configured with two ‘disk drives’ A: and B:. Drive A: contains the

operating system, the BIOS, and utility programs essential to the operation of the µFlashTCP-EP.

Drive A: is read-only. Drive B: is read/write and contains optional utility programs and is

available for user files and applications.

The serial port commonly known as COM2 is the console for the µFlashTCP-EP. The port is

configured for 9600 baud, 8 data bits, 1 stop bit and no parity. This is the primary mode of

communicating with the µFlashTCP-EP. DOS and the BIOS treat the console port as the logical

devices STDIN and STDOUT. The default console speed can be changed using the

SETBAUD.COM utility.

B:\>setbaud

Set console baud rate

Usage: setbaud 9600

Possible baud rates: 1200, 2400, 4800, 9600, 19k, 38k, 56k

Version 1.0 for 386Ex based products

B:\>setbaud 9600

Baud rate change will take effect after next reboot

B:\>

When power is applied to the µFlashTCP-EP or when it is reset, the board goes through its

initialization procedure and then starts DOS. A simple AUTOEXEC.BAT file is executed and then

the board is ready to use. The batch file performs several functions before the user is given

control. The DOS search path is set, the DOS prompt is set, the CTRL-C flag (discussed later in

this manual) is checked and finally, an attempt is made to execute a file named STARTUP on the

B: drive. This provides a convenient way for custom applications to execute immediately after

initialization of the µFlashTCP-EP. If you wish to have your application start automatically,

create a batch file named STARTUP.BAT that invokes the program. It is possible, but not

recommended, to rename your application STARTUP.EXE or STARTUP.COM. If this is done and

the program locks up, typing CNTL-C at bootup may not break the program and exit to the DOS

prompt.

!Although the flash memory devices used have a guaranteed lifetime of over 10,000 write

cycles, it is possible for an application to quickly wear them out. The flash memory is

intended to store programs and setup data which is normally not changed. Avoid storing

data or frequently changed information on the flash disk.

Operation

µFlashTCP-EP User’s Manual JK

microsystems

Getting Started

To begin development with the µFlashTCP-EP, you will need a PC compatible computer with a

telecommunications program and a free serial port. Connect the µFlashTCP-EP’s Console Port

to the PC’s serial port with a 9-pin serial cable (straight through

wiring). Run the telecommunications program and configure the

serial port for 9600 baud, 8 data bits, 1 stop bit and no parity.

Apply power to the µFlashTCP-EP, using our A/C adapter PN

70-0005 or a source of unregulated DC between 7 and 34 Volts,

capable of supplying 2 Watts. Observe the polarity indicated on

the panel silkscreen.

The µFlashTCP-EP should respond with a welcome message and a B: prompt. Enter DIR to look

at the directory of drive B:. If you do not get a welcome message or echo of the characters that

you type, you need to check your serial port setup. To test everything but the µFlashTCP-EP,

remove the serial cable from J2 and jumper pins 2 and 3. If characters typed on the keyboard are

not echoed on the screen, the problem is with your setup. You must resolve the problem before

you can continue.

If you were able to do a DIR, take a few minutes to explore the contents of the µFlashTCP-EP’s

file system. You will find all of the essential utilities on drive A: and some optional programs on

drive B:. Drive A: is write-protected and cannot be altered. Drive B: is read/write and can be

changed or reformatted.

After you have looked at the programs on the µFlashTCP-EP, the next step is to try to upload a

file. This is the procedure for getting a file from your PC to the µFlashTCP-EP. On the

µFlashTCP-EP, type the command UP followed by the name of the file you wish to upload. The

µFlashTCP-EP will begin sending characters to your PC polling it for the file.

On your PC, start the transfer, usually by pressing the PgUp key. The telecomm program should

respond by requesting the file name and protocol. Enter the file name and select X-Modem for

the protocol. The transfer should start and when it is complete, you should get a new B: prompt

on the screen. If the transfer does not work, the problem is most likely the Carrier Detect signal

(pin 1 on the DB-9 connector) into the PC being sensed as low or false. Make sure that the signal

is at least +3 volts into your PC if you are not able to transfer files.

If the transfer terminated without problems, you have a working development environment for

the µFlashTCP-EP controller. At this point, you may wish to download the files EDIT.COM and

BASIC.COM from the µFlashTCP-EP to your PC. Start the download on the µFlashTCP-EP by

typing DOWN BASIC.COM and pressing Enter. On your PC, begin the transfer, usually by

pressing PgDn. After the file is transferred, repeat the process with EDIT.COM. These files are

also found on the JK microsystems web site.

The µFlashTCP-EP does not have a hardware clock calendar. The time and date will be

maintained by DOS until the power is cycled. If the correct time and date are required after a

Getting Started

microsystems

µFlashTCP-EP User’s Manual

power cycle, they must be set either from the command prompt or via a server on the network.

Time and date can be set with the following commands:

B:\>TIME 13:30:00 Sets the time to 1:30 pm

B:\>DATE 2-29-2000 Sets the date to February 29, 2000

The console output and input can be disabled on the µFlashTCP-EP with the QUIET and

NOQUIET commands. This is useful for applications where both serial ports must talk to

hardware devices without disturbance from console messages. Before we look at the QUIET and

NOQUIET commands, an overview of the µFlashTCP-EP boot procedure might be helpful.

When power is applied to the µFlashTCP-EP, one of the first things the BIOS initialization code

does is check for a CNTL-C character typed at the console. If this character is typed as soon as

the board is powered up or reset, a flag is set which overrides the quiet state of the console.

When DOS runs its AUTOEXEC.BAT file on drive A:, the state of the CNTL-C flag is also

checked and any user application set to run on drive B: is not loaded. This insures that a hung

application or quiet console can always be interrupted.

Running QUIET will turn off both input and output on the console port, allowing applications to

use it as COM2. The QUIET flag is only read durring initialization, so the board must be reset

before the console will be quiet. Pressing CNTL-C immediately after reset or powerup will

restore the console until the next reboot. Running NOQUIET will restore the default setting of an

active console. The board will only recognize the CNTL-C at 9600/8/n/1, even if you have

changed the console baudrate.

If the CNTL-C flag is not set, the AUTOEXEC file will attempt to transfer control to a file named

STARTUP on drive B:. DOS also looks for and, if present, loads CONFIG.SYS from drive B:.

A µFlashTCP-EP in quiet mode may appear to be non-functional. When troubleshooting

a system, always try sending (press and hold) CNTL-Cs while applying power.

Getting Started

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