/* MACHINE-GENERATED ! */ frame paste_pad { __0: vec @(SX/2, SY/2) __1: vec @(-SX/2, -SY/2) pad " " . __0 paste } frame paste { set x = SE*(xi-SNX/2-0.5) set y = SE*(yi-SNY/2-0.5) loop xi = 1, SNX loop yi = 1, SNY __0: vec @(x, y) frame paste_pad . } frame center { set pin = pins+1 __0: vec @(X2/2, Y2/2) __1: vec @(-X2/2, -Y2/2) pad "$pin" . __0 bare frame paste @ } frame pad { set px = (dx*X1+dy*Y1)/2 set py = (dy*X1+dx*Y1)/2 set pin = side*pins/4+i+1 __0: vec @(px, py) __1: vec @(-px, -py) pad "$pin" __0 . __2: vec @(px, -py) } 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$pins-$variant" unit auto table { pins, variant, X1, Y1, X2, Y2, E, C1, C2, SE, SNX, SNY, SX, SY } { 28, "Atmel", 0.24mm, 0.7mm, 2.4mm, 2.4mm, 0.45mm, 4.1mm, 4.1mm, 1mm, 2, 2, 0.8mm, 0.8mm } { 28, "SiLabs", 0.25mm, 0.9mm, 3.3mm, 3.3mm, 0.5mm, 4.8mm, 4.8mm, 1.1mm, 3, 3, 0.9mm, 0.9mm } { 32, "VHHD-2", 0.26mm, 0.69mm, 3.7mm, 3.7mm, 0.5mm, 5.1mm, 5.1mm, 0.8mm, 3, 3, 0.5mm, 0.5mm } { 32, "VHHD-6", 0.26mm, 0.69mm, 3.4mm, 3.4mm, 0.5mm, 5.1mm, 5.1mm, 1.2mm, 2, 2, 0.7mm, 0.7mm } set w = 5mil frame pads @ frame center @ frame outline @ measy side.__0 >> side.__0 3mm meas side.__0 -> side.__0 -1mm measy center.__1 >> center.__0 2.3mm measy pad.__1 >> pad.__1 3.5mm measy pad.__1 -> pad.__0 1mm meas pad.__1 -> pad.__2 -1mm measy paste_pad.__1 -> paste_pad.__0 1.8mm measy paste.__0 -> paste.__0 -C1 measy paste_pad.__1 >> paste_pad.__0 -C1-1mm