View source for 5250

'''TWINAX Interface Circuit (TIC)'''

=Pinout=
<pre>
DIP28-600mil
         +---\/---+
      D2 | 1    28| Vcc
      D3 | 2    27| D1
     *WR | 3    26| D0
   *TXEN | 4    25| *CS
    *DTX | 5    24| *RD
      TX | 6    23| A0
  TX DMA | 7    22| A1
      RX | 8    21| A2
      D4 | 9    20| *INT1
      D5 |10    19| *INT2
  *RESET |11    18| RX DMA
   XTAL2 |12    17| CLOCKOUT
   XTAL1 |13    16| D7
     GND |14    15| D6
         +--------+
</pre>

=Frequency=
'''DIP28'''<br>
Set reader to FREQ, put black probe to GND, red probe to 12, 13, 17 to measure CPU clock

=External links=

=Files=
<gallery widths="150px">
File:52C50.pdf|COM52C50 Datasheet
</gallery>

[[Category:Other Chips]]
[[Category:DIP28-600mil]]