6551 Asynchronous Communication Interface Adapter
6551 Asynchronous Communication Interface Adapter
Notes:
- The W65C51S is a drop in replacement to the original MOS6551
- For the W65C51N, the CS1 pin is inverted in the datasheet compared to the W65C51S or MOS6551
- The W65C51N 28 pin PLCC is marked as EOL & to use the 32 pin LQFP as a replacement
Last modified October 22, 2021: Add WDC versions of 6551 (822a508)