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a18d5969bd
- atusd/ERRATA: one more problem: the transistor footprint is wrong - atusd/tools/lib/atusd.c (atusd_cycle, atusd_reset): added power cycling and hardware reset - atusd/tools/lib/atusd.h: be nice and make a header file - atusd/tools/try.c: be nice and use header files (caught a bug as well)
9 lines
402 B
Plaintext
9 lines
402 B
Plaintext
- changed C7 to 1 nF to debug a signal attenuation problem. Turned out to be
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a bad trace. According to simulations, 22 pF should be more than enough.
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- added wire connecting uSD-side ground plane to ground plane at outer edge,
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to improve CLK signal return. (Probably unnecessary, too.)
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- the footprint of the transistor (Q1) is reversed :-( It works after
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converting the chip from SOT to PLCC.
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