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modules/lga.fpd: LGA-16-3x3 package, for LIS3DH
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AUTHORS
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AUTHORS
@ -93,6 +93,7 @@ Werner Almesberger <werner@almesberger.net>
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modules/sot.fpd
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modules/evqq7.fpd
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modules/dfn.fpd
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modules/lga.fpd
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Xiangfu <xiangfu@openmobilefree.net>
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@ -325,6 +325,8 @@ Dual
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DIP-38-300mil
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DIP-40-300mil
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Quad
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LGA
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LGA-16-3x3
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QFN
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QFN16-LFCSP_LQ
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QFN28-Atmel
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10
modules/INFO
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modules/INFO
@ -557,3 +557,13 @@ F: e-switch320
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#
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# http://www.ck-components.com/index.php?module=media&action=Display&cmpref=13325&lang=en&width=&height=&format=&alt=
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#
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# ST LGA patterns (e.g., LGA-3x3-16 for LIS3DH)
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F: LGA
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#
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# http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/TECHNICAL_NOTE/CD00134799.pdf
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#
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# Instead of using an asymmetric solder mask opening, we make the pads a bit
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# larger on the outside. That way, the solder mask opens as well, plut the
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# pads can be reached with a soldering iron.
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#
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@ -6,7 +6,7 @@ MODULES=8_10-card 8_10-socket-ra \
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fiducial \
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header he-2row-dip he-shrouded \
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ir \
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ledsmd \
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lga ledsmd \
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mdip meander-2450MHz mic-ra-dip mini-usb\
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pads pads-array phonejack \
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qfn qfp \
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95
modules/lga.fpd
Normal file
95
modules/lga.fpd
Normal file
@ -0,0 +1,95 @@
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/* MACHINE-GENERATED ! */
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frame piny {
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set name = i*f+a
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__0: vec @(dx*(py/2+pe), px/2)
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__1: vec @(-dx*py/2, -px/2)
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pad "$name" . __0
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}
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frame pinsy {
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set y = e*(i-(ny-1)/2)
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set x = sx/2-py/2-b
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table
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{ dx, f, a }
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{ -1, -1, ny }
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{ 1, 1, pins-ny-nx+1 }
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loop i = 0, ny-1
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__0: vec @(x*dx, y)
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frame piny .
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}
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frame pinx {
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set name = i*f+a
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__0: vec @(px/2, -dy*py/2)
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__1: vec @(-px/2, dy*py/2)
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__2: vec .(0mm, dy*pe)
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pad "$name" . __0
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}
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frame outline {
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set corner = gap*2-(w+0.2mm)/sqrt(2)
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__0: vec @(sx/2, sy/2)
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__1: vec __0(gap, gap)
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__2: vec @(-sx/2, -sy/2)
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__3: vec __2(-gap, -gap)
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rect . __1 w
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__4: vec @(-sx/2, sy/2)
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__5: vec .(-gap, gap)
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__6: vec .(corner, 0mm)
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__7: vec __5(0mm, -corner)
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line . __6 w
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}
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frame pinsx {
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set x = e*(i-(nx-1)/2)
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set y = sy/2-py/2-b
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table
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{ dy, f, a }
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{ -1, 1, ny+1 }
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{ 1, -1, pins }
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loop i = 0, nx-1
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__0: vec @(x, y*dy)
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frame pinx .
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}
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package "LGA-$pins-${sizex}x${sizey}"
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unit mm
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table
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{ nx, ny, sx, sy, e, b, px, py, pe }
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{ 3, 5, 3mm, 3mm, 0.5mm, 0.1mm, 0.25mm, 0.35mm, 0.2mm }
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set pins = 2*(nx+ny)
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set sizex = sx/1mm
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set sizey = sy/1mm
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set w = 5mil
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set gap = 0.2mm+w/2+0.1mm
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frame pinsx @
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frame pinsy @
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frame outline @
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measx outline.__2 >> outline.__0 -1.5mm
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measy outline.__2 >> outline.__0 1.5mm
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measx pinsx.__0 -> pinsx.__0 -1.5mm
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measx pinx.__2 -> pinx.__0 py+0.5mm
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measy pinx.__1 -> pinx.__0 0.2mm
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measy pinx.__2 -> pinx.__1 0.2mm
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measy outline.__3 >> outline.__5 1.5mm
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measx outline.__3 >> outline.__1 -1.5mm
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measy pinx.__1 >> outline.__2 -0.5mm
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