lib/bga.inc

   1 #  BGA packages
   2 #  A. G. Major, 2000
   3
   4 # $1: canonical name
   5 # $2: name on PCB
   6 # $3: value
   7 # $4: number of pins along outer edge
   8 # $5: number of rows
   9 #
  10 define(`PKG_BGA',
  11         `define(`XBLOCK', `$4')
  12         define(`YBLOCK', `$5')
  13         define(`PITCH', `50')
  14         define(`DIAMETER', `25')
  15         define(`NUMPINS', `eval(4*(XBLOCK-4)*YBLOCK)')
  16 Element(0x00 "$1" "`$2'" "$3" 100 0 0 100 0x00)
  17 (
  18         forloop(`i', 0, eval(XBLOCK-1),
  19                 `forloop(`j', 0, eval(YBLOCK-1),
  20                         `PAD(eval(i*PITCH), eval(j*PITCH), eval(i*PITCH), eval(j*PITCH), DIAMETER, 1)'
  21                         `PAD(eval((XBLOCK+YBLOCK-j-1)*PITCH), eval(i*PITCH), eval((XBLOCK+YBLOCK-j-1)*PITCH), eval(i*PITCH), DIAMETER, 1)'
  22                         `PAD(eval((XBLOCK+YBLOCK-i-1)*PITCH), eval((XBLOCK+YBLOCK-j-1)*PITCH), eval((XBLOCK+YBLOCK-i-1)*PITCH), eval((XBLOCK+YBLOCK-j-1)*PITCH), DIAMETER, 1)'
  23                         `PAD(eval(j*PITCH), eval((XBLOCK+YBLOCK-i-1)*PITCH), eval(j*PITCH), eval((XBLOCK+YBLOCK-i-1)*PITCH), DIAMETER, 1)'
  24                 )'
  25         )
  26         ElementLine(eval(-PITCH/2) eval(-1*PITCH) eval((XBLOCK+YBLOCK)*PITCH) eval(-1*PITCH) 10)
  27         ElementLine(eval((XBLOCK+YBLOCK)*PITCH) eval(-1*PITCH) eval((XBLOCK+YBLOCK)*PITCH) eval((XBLOCK+YBLOCK)*PITCH) 10)
  28         ElementLine(eval(-1*PITCH) eval((XBLOCK+YBLOCK)*PITCH) eval((XBLOCK+YBLOCK)*PITCH) eval((XBLOCK+YBLOCK)*PITCH) 10)
  29         ElementLine(eval(-1*PITCH) eval(-PITCH/2) eval(-1*PITCH) eval((XBLOCK+YBLOCK)*PITCH) 10)
  30         ElementLine(eval(-PITCH/2) eval(-PITCH) eval(-PITCH/2) eval(-PITCH/2) 10)
  31         ElementLine(eval(-PITCH) eval(-PITCH/2) eval(-PITCH/2) eval(-PITCH/2) 10)
  32         Mark(eval((YBLOCK+1)*PITCH) eval((YBLOCK+1)*PITCH))
  33 )')
  34
  35 # -------------------------------------------------------------------