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62994dab86
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17 Commits

Author SHA1 Message Date
Werner Almesberger
62994dab86 atusd.brd: re-layout to slightly reduce size, and added more text 
- atusd.brd: rotated crystal by 90 degrees
- atusd.brd: increased density of digital signal lines by making them "hug"
  each other
- atusd.brd: reduced board length by 1.4 mm
- atusd.brd: chamfered upper left corner
- atusd.brd: removed "8:10 CARD" to make room for more important text
- atusd.brd: added "CC-BY-SA"
- atusd.brd: added silk screen text: "802.15.4", "qi-hw.com", "CC-BY-SA",
  and "by Werner Almesberger"
- atusd.brd: updated version to 20110116
 2011-01-17 00:13:16 -03:00
Werner Almesberger
bf3189fe4d atusd.brd: moved SLP_TR via a bit further from the chip 2011-01-16 16:25:23 -03:00
Werner Almesberger
507bcaff5a atusd: added missing connection for SLP_TR 
- atusd.sch, atusd.brd: connect SLP_TR to MMC CLK (PD09)
- atusd.brd: changed text "WPAN" to "802.15.4"
 2011-01-15 17:31:29 -03:00
Werner Almesberger
c0941dbe00 atusd: use crystal instead of trying to obtain an external clock from the Ben 
Known bug: didn't connect SLP_TR.

- atusd.sch, atusd.brd: replaced external clock with crystal
- atusd.sch, atusd.brd: increased version number to 20110115
- atusd.brd: changed "ATUSD" text on PCB to "8:10 CARD"
 2011-01-15 16:35:37 -03:00
Werner Almesberger
8d487739b7 atusd: removed resistor of futility 
- atusd.sch (R1): removed useless 0R resistor in clock path
- atusd.sch (R2): renamed to R1
- atusd.cmp, atusd.brd: updated for above resistor change
- atusd.sch, atusd.brd: set version number to 20110109
 2011-01-09 20:36:29 -03:00
Werner Almesberger
e2c5d42137 atusd.brd: removed short edge segment left under larger segment 2011-01-05 23:09:03 -03:00
Werner Almesberger
475baa1640 atusd.brd: increased via density in RF areas 
- atusd.brd: moved antenna by 20 mil to make more room for vias
- atusd.brd: increased RF via density to up to 50-60 mil per via
- atusd.brd: increased zone clearance to 10 mil, to make board easier to
  solder
 2011-01-04 17:16:30 -03:00
Werner Almesberger
d833b5042f atusd.brd: removed layer alignment targets (they confuse cameo) 2011-01-04 03:10:22 -03:00
Werner Almesberger
7b10db1bd3 atusd.brd: use 110% antenna; better follow 8:10 card shape 
- atusd.pro: changed ../modules/meander to ../ants/meander
- atusd.cmp: changed ANT1 footprint from "meander" to "MEANDER-110"
- atusd.brd: updated antenna, board outline, and dimensions
- atusd.brd: made board outline follow 8:10 card shape more accurately
 2011-01-04 03:04:38 -03:00
Werner Almesberger
47236cbf84 atusd.brd: updated U1, added C9, and rearranged things for XTAL1/2 swap 2011-01-04 02:34:32 -03:00
Werner Almesberger
b3374dd7c8 Added antenna tuning "tail" suggested by Joerg. Made board slimmer. 
- modules/meander.fpd, atusd/atusd.brd: added tuning "tail" to antenna
  (suggested by Joerg Reisenweber)
- atusd/atusd.brd: pulled back somewhat protruding CLKM test point
- atusd/atusd.brd: made external board 20 mil narrower
- atusd/atusd.brd: version number is now 20100912
- atusd/atusd.pro: KiCad commit noise
 2010-09-12 12:25:57 -03:00
Werner Almesberger
5d28e1b182 Corrected small footprint errors. Made 0R "inductor" a resistor. 
- atusd/atusd.sch, atusd/atusd.cmp, atusd/atusd.brd: made L1 a resistor
- atusd/atusd.sch, atusd/atusd.cmp, atusd/atusd.brd: changed effective
  footprints of components erroneously using 0805 to 0805-M
- atusd/atusd.pro: commit noise
 2010-09-12 00:27:10 -03:00
Werner Almesberger
f17613bc69 Applied clock voltage divider fix and corrected too closely spaced via. 
- atusd/atusd.sch, atusd/atusd.cmp, atusd/atusd.brd: changed resistive
  clock voltage divider to capacitative
- atusd/atusd.brd: moved via near pin 1 and rearranged ground planes
  accordingly
- atusd/atusd.sch, atusd/atusd.brd: bumped version number to 20100911
- atusd/atusd.pro: KiCad commit noise
 2010-09-11 17:08:25 -03:00
Werner Almesberger
284b557434 atusd/atusd.brd: bumped the version to 100908 2010-09-08 22:54:44 -03:00
Werner Almesberger
3533e0463c Found out that we can't share MISO and MOSI after all. Redesigned the atusd 
board.

- atusd/atusd.sch, atusd/atusd.brd: separate MISO and MOSI and free the
  extra signal we need by no longer connecting SLP_TR to the host
- atusd/atusd.sch, atusd/atusd.cmp, atusd/atusd.brd: removed reset circuit
  Power-on reset seems to be sufficient.
- atusd/atusd.brd: improved AVDD ground plane
- cam/pcb.pl (rot): cut counter-clockwise to reduce burr
- cam/pcb.pl: advanced origin for 2nd run
 2010-09-08 17:36:47 -03:00
Werner Almesberger
fc0acf1787 Assorted small layout improvements. 
- atusd/atusd.brd: tightened routing of nSS and XTAL1 net to improve ground
  place coverage
- modules/0805-6.fpd: widened pads for easier manual soldering (note: this
  is still ad hocery)
- atusd/atusd.brd: use thinner track to connect feed line to comply with
  DRC
- atusd/atusd.brd: version is now 100903
 2010-09-03 08:02:07 -03:00
Werner Almesberger
dd999ebba3 atusd/: first try at a uSD-based board. Improved RF design. 2010-09-02 23:02:46 -03:00