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[/] [t48/] [tags/] [rel_0_5_beta/] [KNOWN_BUGS] - Diff between revs 135 and 139
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Known bugs of the T48 uController core
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Known bugs of the T48 uController core
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======================================
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Version: $Date: 2004-09-12 10:17:58 $
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Version: $Date: 2004-10-24 09:13:06 $
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Release 0.4 BETA
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----------------
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*******************************************************************************
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P1 constantly in push-pull mode in t8048
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Port P1 is constantly driven by an active push-pull driver instead of an
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open-collector driver type. This inhibits using any bit of P1 in input
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direction.
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Fixed in:
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t8048.vhd 1.4
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Fix will be included in next release.
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Release 0.3 BETA
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Release 0.3 BETA
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----------------
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*******************************************************************************
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*******************************************************************************
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P1 constantly in push-pull mode in t8048
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See above.
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*******************************************************************************
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PSENn Timing
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PSENn Timing
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PSENn is erroneously activated during read or write from external memory when
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PSENn is erroneously activated during read or write from external memory when
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the read and write strobe signals RDn and WRn are active. This happens when
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the read and write strobe signals RDn and WRn are active. This happens when
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code is executed from external Program Memory.
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code is executed from external Program Memory.
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Release 0.2 BETA
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Release 0.2 BETA
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----------------
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*******************************************************************************
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*******************************************************************************
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P1 constantly in push-pull mode in t8048
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See above.
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*******************************************************************************
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PSENn Timing
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PSENn Timing
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See above.
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See above.
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*******************************************************************************
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*******************************************************************************
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