View detail for AVR070: Modifying AT90ICEPRO and ATICE10 to Support Emulation of AT90S8535

View detail for AVR070: Modifying AT90ICEPRO and ATICE10 to Support Emulation of AT90S8535
AVR070: Modifying AT90ICEPRO and ATICE10
to Support Emulation of AT90S8535
®
For the AT90ICEPRO and ATICE10 emulator to be able to emulate AVR AT90S8535,
three straps must be inserted.
All AT90ICEPRO emulators produced after September 1998 and all ATICE10 emulators produced after June 2001 are delivered with these straps mounted and no
upgrade is necessary.
People with some solder experience can easily install these three straps themselves.
This application note shows how to mount these straps in a safe way.
8-bit
Microcontroller
Application
Note
Contact your local Atmel representative if you prefer to have your emulator updated
by Atmel.
Required Parts
•
Three insulated wires, approximately 10 cm long, 5 mm of the insulation removed
on each end. Exact length as shown in the pictures:
85 mm,
95 mm,
100 mm, all with 5 mm of the insulation removed on each end. Recommended
wire: solid wire, 0.4 to 0.8 mm diameter (AWG26 to AWG20). Maximum thickness
is 1.0 mm (AWG18), the hole diameter on the board. As the wires will not conduct
power, there is no minimum thickness. Stranded wire may cause short circuits.
Required Tools
•
ESD-safe workstation
•
A good soldering iron
•
Solder
•
Desolder wick
•
Pliers
•
Cutter
•
Pozidriv No.1 screwdriver
Work Description
1. This work must only take place on an ESD-safe workstation. The
AT90ICEPRO and ATICE10 contains ESD sensitive components that may be
damaged if not handled correctly.
2. Remove the top lid of the AT90ICEPRO or ATICE10 emulator by removing the
two upper most screws on each side.
3. Locate the area where the straps will be installed. It is in the corner near the
pod connector. In Figure 1, the pod connector is at the top.
Rev. 1213C–AVR–05/02
1
4. Identify the pads where the straps are to be installed. The ends of the three
straps are identified by
,
and
. See Figure 2, Figure 3, Figure 4 and
Figure 5 for details.
5. All the pads are 1.0 mm holes. They may have been filled with solder during production. If necessary, use a desolder wick to remove excessive solder before
mounting the straps.
6. Mount all three straps as shown in the pictures. Make sure not to overheat the
pads. The tracks on the PCB are thin and they are easily broken.
7. Verify that all three wires have been mounted between the correct pads.
8. Check that all wire ends are soldered correctly and that there are no short circuits between the wire ends and the adjacent pads. If necessary, remove the
bottom lid of the emulator and inspect the bottom side of the board.
9. Mount the top and bottom lid on the emulator.
Figure 1. Overview
2
AVR070
1213C–AVR–05/02
AVR070
Figure 2. Detail Showing Right End of all Three Straps.
Figure 3. Detail Showing Left End of
.
3
1213C–AVR–05/02
4
Figure 4. Detail Showing Left End of
.
Figure 5. Detail Showing Left End of
.
AVR070
1213C–AVR–05/02
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© Atmel Corporation 2002.
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Printed on recycled paper.
1213C–AVR–05/02
0M
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