IEEE 802.15.4 subsystem
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IEEE 802.15.4 subsystem Git Source Tree
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Source at commit 85f60de9d52195afb3a0232a03e850d96584bb9a created 12 years 10 months ago. By Werner Almesberger, atusb/fw: use the unique serial number of the ATmega8/16/32U2 for iSerialNumber | |
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1 | Board characteristics: |
2 | |
3 | - stacking: 2 layers, solder mask on front and back, silk screen on front |
4 | - board material: FR4, thickness 0.8 mm (1/32"), 1 oz copper |
5 | - surface finish: ENIG recommended |
6 | - via holes: diameter is nominally 10 mil, but any size <= 15 mil can be used |
7 | - ground via of the antenna: hole diameter is nominally 8 mil, but any size |
8 | <= 15 mil can be used |
9 | - mechanical tolerances: <= +/- 0.1 mm on all sides |
10 | |
11 | |
12 | Layer stacking, from top to bottom: |
13 | |
14 | atben-SilkS_Front.gto Front silk screen |
15 | atben-Mask_Front.gts Front solder mask |
16 | atben-Front.gtl Front copper |
17 | atben-Back.gbl Back copper |
18 | atben-Mask_Back.gbs Back solder mask |
19 | |
20 | |
21 | Other design files: |
22 | |
23 | atben-front.png Illustration of the PCB's front side |
24 | atben-back.png idem, for the back side |
25 | atben-PCB_Edges.gbr Board edges, for routing (Gerber) |
26 | atben.dxf idem (AutoCAD DXF) |
27 | atben.drl Excellon drill file |
28 | atben-SoldP_Front.gtp Front solder paste, for stencil |
29 | |
30 | |
31 | Interpretation of files: |
32 | |
33 | - for all coordinates, the origin is the lower left corner of the board |
34 | - the center (!) of the board edge line marks the true board edge, e.g., |
35 | |
36 | Edge line (5 mil) |
37 | ======= |
38 | ------- - - - - - ---------- |
39 | | | |
40 | PCB outside | | PCB inside |
41 | | | |
42 | ------- - - - - - ---------- |
43 | | |
44 | Volume removed when cutting |
45 | (width depends on tool used) |
46 |