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6532




          +---------------------+
   GND   -+  1               40 +-   A6        
          |                     |
   A5    -+  2               39 +-   PHI2
          |                     |
   A4    -+  3               38 +-   CS1
          |                     |    ___
   A3    -+  4               37 +-   CS2
          |                     |
   A2    -+  5               36 +-   RS 
          |                     |      _
   A1    -+  6               35 +-   R/W
          |                     |    ___
   A0    -+  7               34 +-   RES
          |                     |
   PA0   -+  8               33 +-   D0
          |                     |
   PA1   -+  9               32 +-   D1
          |                     |
   PA2   -+ 10               31 +-   D2
          |        6532         |
   PA3   -+ 11               30 +-   D3
          |                     |
   PA4   -+ 12               29 +-   D4
          |                     |
   PA5   -+ 13               28 +-   D5
          |                     |
   PA6   -+ 14               27 +-   D6
          |                     |
   PA7   -+ 15               26 +-   D7
          |                     |
   PB7   -+ 16               25 +-   P0
          |                     |
   PB6   -+ 17               24 +-   PB1
          |                     |
   PB5   -+ 18               23 +-   PB2
          |                     |
   PB4   -+ 19               22 +-   PB3
          |                     |
   +5V   -+ 20               21 +-   PB4
          +---------------------+

PA0..PA7  =  Port A, 8 programmable I/O-lines
PB0..PB7  =  Port B, 8 programmable I/O-lines
D0..D7    =  data bus
A0..A9    =  address bus
CLK2      =  Clock of the processor, also known as PHI2
RS        =  Line used to choose between RAM AND I/O
R/W       =  Read/Write-line
RES       =  Reset-line
CS1, CS2  =  CS-lines




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