6551 Overview
.modore ~ aamiconduct:ar group ~~@~ MPS 6551 ASSYNCH RONOUS MUNICATION INTERFACE ADAPTER [ 6551 ASYNCHRONOUS MUNICATION INTERFACE ADAPTER CONCEPT: The 6551 is an Asynchronous munication Adapter (ACIA) intended to provide for interfacing the 6500/6800 microprocessor families to serial munication data sets and modems.
6551 Key Features
- On-chip baud rate generator: 15 programmable baud rates derived from a standard 1.8432 M Hz external crystal (50 to 19,2
- 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