FS-945 Digi International, FS-945 Datasheet - Page 7

• Manufacturer Part Number: FS-945
• Description: JTAG-BOOSTER FOR ELANSC400 3.3V
• Manufacturer: Digi International
• Series: Digi/FS Forthr
• Type: FLASHr

Specifications of FS-945

• Contents: Programmer and Associated Interface Software
• For Use With/related Products: AMD ElanSC400, SC410, 3.3V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

JTAG-Booster for AMD ÉlanSC400/ÉlanSC410
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.
1
1
Élan
SC400
LPT1-3
Module Élan486
The target end of the cable has the following reference:
1
2*
3
4
5
6
7
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.
JTAGEL4c.doc
7