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prod/doc/: completed voltage measurement sections

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This commit is contained in:
Werner Almesberger 2011-05-27 04:14:30 -03:00
parent cb855b2a69
commit f01c319e8b
3 changed files with 44 additions and 7 deletions
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34
prod/doc/analysis.html
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@ -79,9 +79,22 @@ can be checked. If they are correct, proceed with checking the clock.
<H3>Measurement points on atben</H3>
The supply voltages on <B>atben</B> can be measured at the terminals of
components as shown in this table:
<P>
<TABLE frame="border" cellpadding="2">
<TR><TH>Domain<TH>Voltage<TH>Component
<TR><TD>I/O<TD>3.3 V<TD>C3, C6
<TR><TD>Digital<TD>1.8 V<TD>C5
<TR><TD>Analog<TD>1.8 V<TD>C4
</TABLE>
<P>
Ground can be accessed at the cover of the crystal.
Note that the fiducials are not connected to ground.
<P>
This image shows the location of the measurement points:
<P>
<A href="atben-B.png"><IMG src="atben-B-small.png"></A>
<P>
<!-- ---------------------------------------------------------------------- -->
@ -89,9 +102,24 @@ can be checked. If they are correct, proceed with checking the clock.
<H3>Measurement points on atusb</H3>
The supply voltages on <B>atusb</B> can be measured at the terminals of
components as shown in this table:
<P>
<TABLE frame="border" cellpadding="2">
<TR><TH>Domain<TH>Voltage<TH>Component
<TR><TD>USB<TD>5.0 V<TD>C1
<TR><TD>I/O<TD>3.3 V<TD>C2, C10, C13
<TR><TD>Digital<TD>1.8 V<TD>C12
<TR><TD>Analog<TD>1.8 V<TD>C11
</TABLE>
<P>
Ground can be accessed at the cover of the crystal, at the shield of the
USB connector, or at the test point P11.
Note that the fiducials are not connected to ground.
<P>
This image shows the location of the measurement points:
<P>
<A href="atusb-B.png"><IMG src="atusb-B-small.png"></A>
<P>
<!-- ====================================================================== -->
@ -207,7 +235,7 @@ be good <B>atben</B> board on the same Ben at a comparable temperature.
Up: <A href="index.html">Production and testing</A>&nbsp;
Prev: <A href="test.html">Functional test</A>&nbsp;
<HR>
Last update: 2011-05-26&nbsp;&nbsp;<I>Werner Almesberger</I>
Last update: 2011-05-27&nbsp;&nbsp;<I>Werner Almesberger</I>
<HR>
</BODY>
</HTML>

2
prod/doc/atben.fig
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@ -40,7 +40,7 @@ Single
1800 4005 2835 4005
# B
2 4 0 2 0 7 56 -1 15 0.000 0 0 7 0 0 5
4995 4095 4590 4095 4590 3600 4995 3600 4995 4095
5040 4095 4590 4095 4590 3555 5040 3555 5040 4095
# A
4 2 0 50 -1 18 24 0.0000 4 300 915 1890 4140 GND\001
# A

15
prod/doc/atusb.fig
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@ -53,7 +53,7 @@ Single
# B
2 1 0 3 4 7 55 -1 -1 0.000 0 0 -1 1 0 2
5 1 3.00 60.00 120.00
10350 6750 9315 5985
10350 5985 9315 5985
# B
2 1 0 3 4 7 55 -1 -1 0.000 0 0 -1 1 0 2
5 1 3.00 60.00 120.00
@ -62,6 +62,13 @@ Single
2 1 0 3 0 7 55 -1 -1 0.000 0 0 -1 1 0 2
5 1 3.00 60.00 120.00
6525 8235 7425 8235
# B
2 4 0 2 0 7 56 -1 15 0.000 0 0 7 0 0 5
9630 7020 9180 7020 9180 6480 9630 6480 9630 7020
# B
2 1 0 3 0 7 55 -1 -1 0.000 0 0 -1 1 0 2
5 1 3.00 60.00 120.00
10350 6750 9360 6750
# A
4 2 4 50 -1 18 24 0.0000 4 300 855 6525 6975 CLK\001
# A
@ -81,10 +88,12 @@ Single
# B
4 0 0 55 -1 18 24 0.0000 4 390 1410 10395 4680 Analog\001
# B
4 0 0 55 -1 18 24 0.0000 4 300 555 10440 6930 I/O\001
# B
4 2 0 55 -1 18 24 0.0000 4 300 915 6435 8370 GND\001
# B
4 2 0 55 -1 18 24 0.0000 4 390 1275 6480 6255 Digital\001
# B
4 2 0 55 -1 18 24 0.0000 4 300 555 6435 6705 I/O\001
# B
4 0 0 55 -1 18 24 0.0000 4 300 555 10440 6120 I/O\001
# B
4 0 0 55 -1 18 24 0.0000 4 300 915 10440 6885 GND\001