Date:2011-05-27 09:14:30 (8 years 3 months ago)
Author:Werner Almesberger
Commit:f01c319e8b6cef65026b251620ddecadd4210495
Message:prod/doc/: completed voltage measurement sections

Files: prod/doc/analysis.html (3 diffs)
prod/doc/atben.fig (1 diff)
prod/doc/atusb.fig (3 diffs)

Change Details

prod/doc/analysis.html
7979
8080<H3>Measurement points on atben</H3>
8181
82The supply voltages on <B>atben</B> can be measured at the terminals of
83components as shown in this table:
8284<P>
83<A href="atben-B.png"><IMG src="atben-B-small.png"></A>
85<TABLE frame="border" cellpadding="2">
86  <TR><TH>Domain<TH>Voltage<TH>Component
87  <TR><TD>I/O<TD>3.3 V<TD>C3, C6
88  <TR><TD>Digital<TD>1.8 V<TD>C5
89  <TR><TD>Analog<TD>1.8 V<TD>C4
90</TABLE>
8491<P>
92Ground can be accessed at the cover of the crystal.
93Note that the fiducials are not connected to ground.
94<P>
95This image shows the location of the measurement points:
96<P>
97<A href="atben-B.png"><IMG src="atben-B-small.png"></A>
8598
8699
87100<!-- ---------------------------------------------------------------------- -->
...... 
89102
90103<H3>Measurement points on atusb</H3>
91104
105The supply voltages on <B>atusb</B> can be measured at the terminals of
106components as shown in this table:
92107<P>
93<A href="atusb-B.png"><IMG src="atusb-B-small.png"></A>
108<TABLE frame="border" cellpadding="2">
109  <TR><TH>Domain<TH>Voltage<TH>Component
110  <TR><TD>USB<TD>5.0 V<TD>C1
111  <TR><TD>I/O<TD>3.3 V<TD>C2, C10, C13
112  <TR><TD>Digital<TD>1.8 V<TD>C12
113  <TR><TD>Analog<TD>1.8 V<TD>C11
114</TABLE>
94115<P>
116Ground can be accessed at the cover of the crystal, at the shield of the
117USB connector, or at the test point P11.
118Note that the fiducials are not connected to ground.
119<P>
120This image shows the location of the measurement points:
121<P>
122<A href="atusb-B.png"><IMG src="atusb-B-small.png"></A>
95123
96124
97125<!-- ====================================================================== -->
...... 
207235Up: <A href="index.html">Production and testing</A>&nbsp;
208236Prev: <A href="test.html">Functional test</A>&nbsp;
209237<HR>
210Last update: 2011-05-26&nbsp;&nbsp;<I>Werner Almesberger</I>
238Last update: 2011-05-27&nbsp;&nbsp;<I>Werner Almesberger</I>
211239<HR>
212240</BODY>
213241</HTML>
prod/doc/atben.fig
4040     1800 4005 2835 4005
4141# B
42422 4 0 2 0 7 56 -1 15 0.000 0 0 7 0 0 5
43     4995 4095 4590 4095 4590 3600 4995 3600 4995 4095
43     5040 4095 4590 4095 4590 3555 5040 3555 5040 4095
4444# A
45454 2 0 50 -1 18 24 0.0000 4 300 915 1890 4140 GND\001
4646# A
prod/doc/atusb.fig
5353# B
54542 1 0 3 4 7 55 -1 -1 0.000 0 0 -1 1 0 2
5555    5 1 3.00 60.00 120.00
56     10350 6750 9315 5985
56     10350 5985 9315 5985
5757# B
58582 1 0 3 4 7 55 -1 -1 0.000 0 0 -1 1 0 2
5959    5 1 3.00 60.00 120.00
...... 
62622 1 0 3 0 7 55 -1 -1 0.000 0 0 -1 1 0 2
6363    5 1 3.00 60.00 120.00
6464     6525 8235 7425 8235
65# B
662 4 0 2 0 7 56 -1 15 0.000 0 0 7 0 0 5
67     9630 7020 9180 7020 9180 6480 9630 6480 9630 7020
68# B
692 1 0 3 0 7 55 -1 -1 0.000 0 0 -1 1 0 2
70    5 1 3.00 60.00 120.00
71     10350 6750 9360 6750
6572# A
66734 2 4 50 -1 18 24 0.0000 4 300 855 6525 6975 CLK\001
6774# A
...... 
8188# B
82894 0 0 55 -1 18 24 0.0000 4 390 1410 10395 4680 Analog\001
8390# B
844 0 0 55 -1 18 24 0.0000 4 300 555 10440 6930 I/O\001
85# B
86914 2 0 55 -1 18 24 0.0000 4 300 915 6435 8370 GND\001
8792# B
88934 2 0 55 -1 18 24 0.0000 4 390 1275 6480 6255 Digital\001
8994# B
90954 2 0 55 -1 18 24 0.0000 4 300 555 6435 6705 I/O\001
96# B
974 0 0 55 -1 18 24 0.0000 4 300 555 10440 6120 I/O\001
98# B
994 0 0 55 -1 18 24 0.0000 4 300 915 10440 6885 GND\001

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