Hints for Handling
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PHYTEC Messtechnik GmbH 2006 L-658e_5
75
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Hints for Handling the phyCORE-LPC2292/94
The address and data bus on the module is not buffered. To connect
external components to the data/address bus, as well as the control
lines (/RD, /WR), an external buffer (i.e. 74AHCT245) between the
modul and the peripheral components should be installed.
The data bus D0…31 (port 0) should be connected with a 100 k
Ω
pull-up resistor against VCC.
Removal of various components, such as the microcontroller and the
standard quartz, is not advisable given the compact nature of the
module. Should this nonetheless be necessary, please ensure that the
board as well as surrounding components and sockets remain
undamaged while desoldering. Overheating the board can cause the
solder pads to loosen, rendering the module inoperable. Carefully heat
neighboring connections in pairs. After a few alternations,
components can be removed with the solder-iron tip. Alternatively, a
hot air gun can be used to heat and loosen the bonds.
Содержание phyCORE-LPC2292/94
Страница 1: ...A product of a PHYTEC Technology Holding company phyCORE LPC2292 94 Hardware Manual Edition July 2006...
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Страница 144: ...Published by PHYTEC Me technik GmbH 2006 Ordering No L 658e_5 Printed in Germany...