6551
6551 is ASYNCHRONOUS COMMUNICATION INTERFACE ADAPTER manufactured by Commodore.
feature is the inclusion of an on-chip programmable baud rate generator, with a crystal being the only external pone t required.
FEATURES
:
- On-chip baud rate generator: 15 programmable baud rates derived from a standard 1.8432 M Hz external crystal (50 to 19,200 baud).
- Programmable interrupt and status register to simplify software design.
- Single +5 volt power supply.
- Serial echo mode.
- False start bit detection.
- 8-bit bi-directional data bus for direct municati~
)
-standard baud rates (up engths; number of stop bits; and nd detection. control signals provided. :- ep';' none, mark, space). r half-duplex...
