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Discussion Groups | M68HC11 | expanded mode

Technical discussions about Freescale Microcontrollers: M68HC11. (Freescale Semiconductor is a Subsidiary of Motorola).

expanded mode - kokhuikang - Feb 21 4:28:00 2005


hi,everybody. I am using MC68HC11E1 expanded mode circuit but due to
some hardware problem my circuit board can't work so I take the
M68HC11E1 chip to be tested on bootstrap circuit board. It works
well.
After i rechecked all the hardware, then i try to put the chip back
to expanded mode board but it can't work. So I try to use my
friend's new M68HC11E1 chip that has not been used before. It works
well!!!
Can anyone help me to solve this problem?
Thanks a lot.





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