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MCBX51: ADDRESS PADS ARE REVERSED
Information in this article applies to:
- MCB251 Evaluation Boards
QUESTION
It seems that the address pads on my MCB251 board are backwards. A0-A7 are really A8-A15 and A8-A15 are really A0-A7.
ANSWER
This is correct. The silkscreen on some of the boards manufactured in early 1997 was incorrect and these sets of pads were reversed. The following pads were swapped:
A0 <=> A8 A1 <=> A9 A2 <=> A10 A3 <=> A11 A4 <=> A12 A5 <=> A13 A6 <=> A14 A7 <=> A15
This problem has been corrected in board manufactured since mid 1997.
MORE INFORMATION
- Refer to http://www.keil.com/mcb251 for more information about the MCB251 Evaluation Board.
Last Reviewed: Sunday, November 19, 2006
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