Subject:
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MODB - How Is Expanded Mode Entered
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Sat, 2 May 1998 23:33:17 GMT
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Original-From:
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Mike Davis <ipscone@[IHateSpam]halcyon.com>
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Viewed:
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1441 times
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If MODB pin is always grounded, how does the MCU get into expanded
mode to access the 32K SRAM?
The data sheet shows MODB HIGH to enter expanded mode. It show MODB
LOW to enter single chip mode.
What am I missing?
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Message has 1 Reply:
 | | Re: MODB - How Is Expanded Mode Entered
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| Mike, I never goes into expanded mode! The Handyboard operates in special test mode and special bootstrap mode. Special test mode works like expanded mode but some the internal registers are not protected. (...) -- Jeff ___...___ \ Jeff Loeliger (...) (27 years ago, 7-May-98, to lugnet.robotics.handyboard)
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