Grafisches Display am TLX+

 Schaltbild

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GAL-Gleichungen:

  CHIP LCD1216 GAL20V8

   CLK /RESET /RD  /WR   /CS   A0  A1  A2  A3  NC1 NC2 GND
  /OE   NC8   /READ WRITE ALE /RST NC7 NC6 NC5 NC4 NC3 VCC

  READ  = CS*RD*A0*/RESET
  WRITE = CS*WR*A0*/RESET 
  ALE   = CS*WR*A1*/RESET 
  RST   = CS   *A2+ RESET

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