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[/] [t48/] [tags/] [rel_0_6_1_beta/] [KNOWN_BUGS] - Diff between revs 139 and 146

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Rev 139 Rev 146
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Known bugs of the T48 uController core
Known bugs of the T48 uController core
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Version: $Date: 2004-10-24 09:13:06 $
Version: $Date: 2004-10-25 21:37:36 $
 
 
 
 
Release 0.4 BETA
Release 0.4 BETA
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----------------
 
 
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RD' and WR' not asserted for INS A, BUS and OUTL BUS, A
 
 
 
The control signals RD' and WR' are not asserted when the instructions INS A,
 
BUS and OUTL BUS, A are executed. The BUS is read or written but the control
 
signals are missing.
 
 
 
Fixed in:
 
decoder.vhd 1.16
 
Fix will be included in next release.
 
 
 
 
 
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P1 constantly in push-pull mode in t8048
P1 constantly in push-pull mode in t8048
 
 
Port P1 is constantly driven by an active push-pull driver instead of an
Port P1 is constantly driven by an active push-pull driver instead of an
open-collector driver type. This inhibits using any bit of P1 in input
open-collector driver type. This inhibits using any bit of P1 in input
direction.
direction.
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Release 0.3 BETA
Release 0.3 BETA
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----------------
 
 
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RD' and WR' not asserted for INS A, BUS and OUTL BUS, A
 
 
 
See above.
 
 
 
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P1 constantly in push-pull mode in t8048
P1 constantly in push-pull mode in t8048
 
 
See above.
See above.
 
 
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Release 0.2 BETA
Release 0.2 BETA
----------------
----------------
 
 
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RD' and WR' not asserted for INS A, BUS and OUTL BUS, A
 
 
 
See above.
 
 
 
*******************************************************************************
P1 constantly in push-pull mode in t8048
P1 constantly in push-pull mode in t8048
 
 
See above.
See above.
 
 
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Release 0.1 BETA
Release 0.1 BETA
----------------
----------------
 
 
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RD' and WR' not asserted for INS A, BUS and OUTL BUS, A
 
 
 
See above.
 
 
 
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PSENn Timing
PSENn Timing
 
 
See above.
See above.
 
 
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