6551
Asynchronous serial interface controller (Rockwell)

     +--------------+
 GND |1    +--+   28| R//W
 CS0 |2           27| CLK
/CS1 |3           26| /IRQ
/RST |4           25| D7
 RxC |5           24| D6
  X1 |6           23| D5
  X0 |7    6551   22| D4
/RTS |8           21| D3
/CTS |9           20| D2
 TxD |10          19| D1
/DTR |11          18| D0
 RxD |12          17| /DSR
 RS0 |13          16| /DCD
 RS1 |14          15| VCC
     +--------------+

Ohne Gewähr!
 

zurück