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FS-925

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P54P55-P56
JTAG-Booster for Intel 386EX
JTAG_386EXa.doc 7
1.4. Connecting your PC to the target system
The JTAG-Booster can be plugged into standard parallel ports (LPT1-3) with a
DB25-Connector.
Module Élan486
LPT1-3
Élan
SC400
11
The target end of the cable has the following reference:
12*34567 8
TCK GND TMS TRST# NC TDI TDO +3.3V / +5V
*PIN 2 can be detected by the white thick cable.
To connect your design to the JTAG-BOOSTER you need a single row berg
connector with a spacing of 2.54mm on your PCB. The names refer to the
target: Pin 7 is the target’s TDO pin and is connected to the JTAG-Booster’s TDI
pin.
There are two versions of the JTAG-Booster available: A 5V version (FS part
number 227) and a 3.3V version (FS part number 285). Don’t apply 5V to the
3.3V version of the JTAG-Booster!
Your target must be able to power the JTAG-Booster, it draws about 100mA.
Before you start the program, the JTAG-BOOSTER must be plugged to a
parallel interface of your PC and to the 8 pin JTAG connector on the target.
JTAG-Booster for Intel 386EX
8 JTAG_386EXa.doc
The utility is started with the general command line format:
JTAG386 /function [filename] [/option_1] ... [/option_n].
Note that the function must be the first argument followed (if needed) by the
filename.
If you want to cancel execution of JTAG386, press CTRL-Break-Key.
On any error the program aborts with an MSDOS error level of one.
JTAG-Booster for Intel 386EX
JTAG_386EXa.doc 9
1.5. First Example with Intel 386EX
In the following simple example it is assumed that the JTAG-Booster is
connected to LPT1 of your PC and target power is on.
Typing
JTAG386 /P MYAPP.BIN
at the DOS prompt results in the following output:
JTAG386 --- JTAG utility for Intel 386EX
Copyright FS FORTH-SYSTEME GmbH, Breisach
Version 4.xx of mm/dd/yyyy
(1) Configuration loaded from file JTAG386.INI
(2) Target: Module 386EX, FS FORTH-SYSTEME GmbH
(3) Using LPT at I/O-address 0378h
(4) JTAG Adapter detected
(5) 1 Device detected in JTAG chain
Device 0: IDCODE=28270013 Intel 386EXTC (C-Step, 5V)
(6) Sum of instruction register bits : 4
(7) CPU position : 0
(8) Instruction register offset : 0
(9) Length of boundary scan reg : 202
Looking for a known flash device. Please wait..
(10) AMD 29F800T, Boot Block Top detected
(11) Bus size is 16 Bit
(12) Erasing Flash-EPROM Block #:0
Programming File MYAPP.BIN
65536 Bytes programmed
Programming ok
Erase Time : 1.0 sec
Programming Time : 48.1 sec
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P54P55-P56

FS-925

Mfr. #:
Buy FS-925
Manufacturer:
Digi International
Description:
Development Boards & Kits - ARM JTAG Booster PC Intel 386EX 5V
Lifecycle:
New from this manufacturer.
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