kicad-libs/modules/qfp.fpd

/* MACHINE-GENERATED ! */

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
	__2: vec @(px, -py)
	__3: vec @(-px, py)
}

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

	set cx = (dx*C1+dy*C2)/2

	set cy = (dy*C2-dx*C1)/2

	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 "$name"
unit mm

table
    { name, pins, X1, Y1, e, C1, C2, D1, E1 }
    { "QFP32", 32, 0.45mm, 1.3mm, 0.8mm, 8.45mm, 8.45mm, 7mm, 7mm }
    { "QFP48", 48, 0.27mm, 1.45mm, 0.5mm, 8.2mm, 8.2mm, 7mm, 7mm }

set w = 5mil

frame pads @
frame outline @
measy pad.__1 -> pad.__0 2.5mm
meas side.__0 -> side.__0 -1.6mm
meas pad.__2 -> pad.__1 -0.5mm
meas pad.__1 -> pad.__2 -1.5mm
measy side.__0 >> side.__0 3.5mm
measy pad.__1 >> pad.__1 4mm
measx pads.__0 >> side.__0 -7.5mm
measx pad.__0 >> pad.__2 -5mm
measy pad.__0 >> pad.__3 3mm
measx pad.__3 >> pad.__1 -4mm