ben-wpan/modules/qfn.fpd

/* MACHINE-GENERATED ! */

frame center {
	set pin = pins+1

	set x = D2+0.1mm

	set y = E2+0.1mm

	__0: vec @(x/2, y/2)
	__1: vec @(-x/2, -y/2)
	pad "$pin" . __0
}

frame pad {
	set px = (dx*X1+dy*Y1)/2

	set py = (dy*X1+dx*Y1)/2

	set pin = side*pins/4+i+1

	__0: vec @(px, py)
	__1: vec @(-px, -py)
	pad "$pin" __0 .
}

frame side {
	set pos = i-(pins/4-1)/2

	loop i = 0, pins/4-1

	__0: vec @(E*pos*dx, E*pos*dy)
	frame pad .
}

frame pads {
	table
	    { side, dx, dy }
	    { 0, 0, -1 }
	    { 1, 1, 0 }
	    { 2, 0, 1 }
	    { 3, -1, 0 }

	__0: vec @(dy*C1/2, -dx*C2/2)
	frame side .
}

frame index {
}

frame outline {
	table
	    { index, dx, _, dy }
	    { 1, -1, 0, 0 }
	    { 0, 0, 0, -1 }
	    { 0, 1, 0, 0 }
	    { 0, 0, 0, 1 }

	set mx = dx*C1/2

	set my = dy*C2/2

	set cx = mx+my

	set cy = my-mx

	set ax = -Y1/2*dx

	set ay = -Y1/2*dy

	set bx = -Y1/2*dy

	set by = Y1/2*dx

	__0: vec @(cx, cy)
	w: vec .(ax, ay)
	line __0 . w
	__2: vec __0(bx, by)
	line __0 . w
	__1: vec .(index*(ax-bx), index*(ay-by))
	line __2 . w
}

package "QFN$pins"
unit mm

table
    { pins, X1, Y1, E, C1, C2, D2, E2 }
    { 28, 0.25mm, 0.9mm, 0.5mm, 4.8mm, 4.8mm, 3.15mm, 3.15mm }
    { 32, 0.29mm, 0.9mm, 0.5mm, 5.1mm, 5.1mm, 3.3mm, 3.3mm }

set X2 = X1+(pins/4-1)*E

set Y2 = X2

set w = 5mil

__0: vec @(D2/2, E2/2)
frame pads @
frame center @
frame outline @