IEEE 802.15.4 subsystem
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IEEE 802.15.4 subsystem Git Source Tree
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Source at commit 7fbcfaa33761b5bc8f0123002e302bdca4106a87 created 13 years 6 months ago. By Werner Almesberger, U-turn: The US restrict export of the CC2520. Atmel scores a design win. | |
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1 | /* MACHINE-GENERATED ! */ |
2 | |
3 | frame center { |
4 | set pin = pins+1 |
5 | |
6 | set x = D2+0.1mm |
7 | |
8 | set y = E2+0.1mm |
9 | |
10 | __0: vec @(x/2, y/2) |
11 | __1: vec @(-x/2, -y/2) |
12 | pad "$pin" . __0 |
13 | } |
14 | |
15 | frame pad { |
16 | set px = (dx*X1+dy*Y1)/2 |
17 | |
18 | set py = (dy*X1+dx*Y1)/2 |
19 | |
20 | set pin = side*pins/4+i+1 |
21 | |
22 | __0: vec @(px, py) |
23 | __1: vec @(-px, -py) |
24 | pad "$pin" __0 . |
25 | } |
26 | |
27 | frame side { |
28 | set pos = i-(pins/4-1)/2 |
29 | |
30 | loop i = 0, pins/4-1 |
31 | |
32 | __0: vec @(E*pos*dx, E*pos*dy) |
33 | frame pad . |
34 | } |
35 | |
36 | frame pads { |
37 | table |
38 | { side, dx, dy } |
39 | { 0, 0, -1 } |
40 | { 1, 1, 0 } |
41 | { 2, 0, 1 } |
42 | { 3, -1, 0 } |
43 | |
44 | __0: vec @(dy*C1/2, -dx*C2/2) |
45 | frame side . |
46 | } |
47 | |
48 | frame index { |
49 | } |
50 | |
51 | frame outline { |
52 | table |
53 | { index, dx, _, dy } |
54 | { 1, -1, 0, 0 } |
55 | { 0, 0, 0, -1 } |
56 | { 0, 1, 0, 0 } |
57 | { 0, 0, 0, 1 } |
58 | |
59 | set mx = dx*C1/2 |
60 | |
61 | set my = dy*C2/2 |
62 | |
63 | set cx = mx+my |
64 | |
65 | set cy = my-mx |
66 | |
67 | set ax = -Y1/2*dx |
68 | |
69 | set ay = -Y1/2*dy |
70 | |
71 | set bx = -Y1/2*dy |
72 | |
73 | set by = Y1/2*dx |
74 | |
75 | __0: vec @(cx, cy) |
76 | w: vec .(ax, ay) |
77 | line __0 . w |
78 | __2: vec __0(bx, by) |
79 | line __0 . w |
80 | __1: vec .(index*(ax-bx), index*(ay-by)) |
81 | line __2 . w |
82 | } |
83 | |
84 | package "QFN$pins" |
85 | unit mm |
86 | |
87 | table |
88 | { pins, X1, Y1, E, C1, C2, D2, E2 } |
89 | { 28, 0.25mm, 0.9mm, 0.5mm, 4.8mm, 4.8mm, 3.15mm, 3.15mm } |
90 | { 32, 0.29mm, 0.9mm, 0.5mm, 5.1mm, 5.1mm, 3.3mm, 3.3mm } |
91 | |
92 | set X2 = X1+(pins/4-1)*E |
93 | |
94 | set Y2 = X2 |
95 | |
96 | set w = 5mil |
97 | |
98 | __0: vec @(D2/2, E2/2) |
99 | frame pads @ |
100 | frame center @ |
101 | frame outline @ |
102 |