FreeCalypso > hg > freecalypso-reveng
annotate pirelli/debug @ 389:623316d1ece7
compal/iMelody: capturing initial observations
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 31 Mar 2022 20:56:56 +0000 |
parents | d05b2e790e6b |
children |
rev | line source |
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58
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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1 Debug connector footprint on the side next to the display |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
2 |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
3 centre of the leftmost pad: (2670,2206) |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
4 centre of the rightmost pad: (3011,2206) |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
5 |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
6 distance in pixels: 341 |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
7 pitch in pixels: 31 (341/11) |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
8 |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
9 assumed physical pitch: 0.5 mm |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
10 length of the pads: a little longer than 1 mm |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
11 |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
12 The two larger (mounting?) pads appear to be 2x2 mm square. |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
13 They sit about 1.5 mm south of the signal pad centreline. |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
14 Horiz distance between centre of each outermost signal pad |
d05b2e790e6b
Pirelli PCB: some measurements of the debug connector footprint
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
15 and the nearby mounting pad: 140 pixels, or a little over 2 mm. |