2 # Copyright 2007 by Bdale Garbee <bdale@gag.com>. GPLv2
4 # Program to emit PCB footprint for Motorola 475-01 package used by MMA2202EG
7 # dimensions in mm from MP3H6115A.pdf Motorola packaging datasheet
14 RowSpacing = RowCenters - PinHeight
18 # we're going to use the 1/100 of a mil fundamental unit form
20 return int( mm / 25.4 * 1000.0 * 100.0 + 0.5 )
22 print 'Element[0x0 "MOT475-01" "" "" 0 0 0 0 0 100 0x0]'
24 for pin in range (0,8):
26 mm2mils100((pin-3.5) * PinSpacing), \
27 mm2mils100(-(RowSpacing/2 + PinWidth/2)), \
28 mm2mils100((pin-3.5) * PinSpacing), \
29 mm2mils100(-(RowSpacing/2 + PinHeight - PinWidth/2)), \
30 mm2mils100(PinWidth), \
31 mm2mils100(PinSpacing - PinWidth), \
32 mm2mils100(PinWidth)+600, \
33 '"pin%i"' % (16 - pin), '"%i"' % (16 - pin), '0x0100]'
36 mm2mils100((pin-3.5) * PinSpacing), \
37 mm2mils100(RowSpacing/2 + PinWidth/2), \
38 mm2mils100((pin-3.5) * PinSpacing), \
39 mm2mils100(RowSpacing/2 + PinHeight - PinWidth/2), \
40 mm2mils100(PinWidth), \
41 mm2mils100(PinSpacing - PinWidth), \
42 mm2mils100(PinWidth)+600, \
43 '"pin%i"' % (1 + pin), '"%i"' % (1 + pin), '0x0100]'
45 print ' ElementLine[',\
46 mm2mils100(-BodyHeight/2), \
47 mm2mils100(-BodyWidth/2), \
48 mm2mils100(-BodyHeight/2), \
49 mm2mils100( BodyWidth/2), \
52 print ' ElementLine[',\
53 mm2mils100(-BodyHeight/2), \
54 mm2mils100( BodyWidth/2), \
55 mm2mils100( BodyHeight/2), \
56 mm2mils100( BodyWidth/2), \
59 print ' ElementLine[',\
60 mm2mils100( BodyHeight/2), \
61 mm2mils100( BodyWidth/2), \
62 mm2mils100( BodyHeight/2), \
63 mm2mils100(-BodyWidth/2), \
66 print ' ElementLine[',\
67 mm2mils100( BodyHeight/2), \
68 mm2mils100(-BodyWidth/2), \
69 mm2mils100(-BodyHeight/2), \
70 mm2mils100(-BodyWidth/2), \
73 print ' ElementArc[',\
74 mm2mils100(-3.5 * PinSpacing), \
75 mm2mils100(RowSpacing/2-PinHeight/4), \
76 '500 500 0 360 1000 ]'