KiCad Libraries
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Source at commit 0958a385d0dd19e3b021b161836f487d3a2f9085 created 7 years 2 months ago. By Werner Almesberger, modules/qfn.fpd, HIERARCHY (QFN20-UEEE): "MO-248 variation UEEE", for FSA2866 | |
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1 | /* MACHINE-GENERATED ! */ |
2 | |
3 | frame piny { |
4 | table |
5 | { ?cw, name } |
6 | { 0, i*f+a } |
7 | { 1, pins-a-i*f-nx+1 } |
8 | |
9 | __0: vec @(dx*(pyy/2+pe), pyx/2) |
10 | __1: vec @(-dx*pyy/2, -pyx/2) |
11 | pad "$name" . __0 |
12 | } |
13 | |
14 | frame pinsy { |
15 | set y = e*(i-(ny-1)/2) |
16 | |
17 | set x = sx/2-pyy/2-b |
18 | |
19 | table |
20 | { dx, f, a } |
21 | { -1, -1, ny } |
22 | { 1, 1, pins-ny-nx+1 } |
23 | |
24 | loop i = 0, ny-1 |
25 | |
26 | __0: vec @(x*dx, y) |
27 | frame piny . |
28 | } |
29 | |
30 | frame pinx { |
31 | table |
32 | { ?cw, name } |
33 | { 0, i*f+a } |
34 | { 1, a+(nx-i-1)*f } |
35 | |
36 | __0: vec @(pxx/2, -dy*pxy/2) |
37 | __1: vec @(-pxx/2, dy*pxy/2) |
38 | __2: vec .(0mm, dy*pe) |
39 | pad "$name" . __0 |
40 | } |
41 | |
42 | frame outline { |
43 | set corner = gap*2-(w+0.2mm)/sqrt(2) |
44 | |
45 | __0: vec @(sx/2, sy/2) |
46 | __1: vec .(gap, gap) |
47 | __2: vec @(-sx/2, -sy/2) |
48 | __3: vec .(-gap, -gap) |
49 | rect . __1 w |
50 | __4: vec @((cw*2-1)*sx/2, sy/2) |
51 | __5: vec .((cw*2-1)*gap, gap) |
52 | __6: vec .((1-cw*2)*corner, 0mm) |
53 | __7: vec __5(0mm, -corner) |
54 | line . __6 w |
55 | } |
56 | |
57 | frame pinsx { |
58 | set x = e*(i-(nx-1)/2) |
59 | |
60 | set y = sy/2-pxy/2-b |
61 | |
62 | table |
63 | { dy, f, a } |
64 | { -1, 1, ny+1 } |
65 | { 1, -1, pins } |
66 | |
67 | loop i = 0, nx-1 |
68 | |
69 | __0: vec @(x, y*dy) |
70 | frame pinx . |
71 | } |
72 | |
73 | package "LGA-$pins-${sizex}x${sizey}${variant}" |
74 | unit mm |
75 | |
76 | table |
77 | { variant, nx, ny, sx, sy, e, b, pxx, pxy, pyx, pyy, pe, cw } |
78 | { "", 3, 5, 3mm, 3mm, 0.5mm, 0.1mm, 0.25mm, 0.35mm, pxx, pxy, 0.2mm, 0 } |
79 | { "-BME280", 0, 4, 2.5mm, 2.5mm, 0.65mm, 0.125mm, 0.35mm, 0.35mm, pxx, pxy, 0.15mm, 1 } |
80 | { "-BMX055", 3, 7, 3mm, 4.5mm, 0.5mm, 0.1mm, 0.25mm, 0.375mm, pxx, 0.475mm, 0.2mm, 1 } |
81 | |
82 | set pins = 2*(nx+ny) |
83 | |
84 | set sizex = sx/1mm |
85 | |
86 | set sizey = sy/1mm |
87 | |
88 | set w = 5mil |
89 | |
90 | set gap = 0.2mm+w/2+0.1mm |
91 | |
92 | frame pinsx @ |
93 | frame pinsy @ |
94 | frame outline @ |
95 | measx outline.__2 >> outline.__0 -1.5mm |
96 | measy outline.__2 >> outline.__0 1.5mm |
97 | measx pinsx.__0 -> pinsx.__0 -1.5mm |
98 | measx pinx.__2 -> pinx.__0 pxy+0.5mm |
99 | measy pinx.__1 -> pinx.__0 0.2mm |
100 | measy pinx.__2 -> pinx.__1 0.2mm |
101 | measy outline.__3 >> outline.__5 1.5mm |
102 | measx outline.__3 >> outline.__1 -1.5mm |
103 | measy pinx.__1 >> outline.__2 -0.5mm |
104 | measx piny.__0 -> piny.__1 |
105 | measx piny.__1 -> piny.__1 0.8mm |
106 | measx piny.__0 -> piny.__0 1mm |
107 | measy pinsy.__0 -> pinsy.__0 1mm |
108 | measy pinx.__0 -> pinx.__0 2.2mm |
109 |
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