Datasheet Summary
(DUMO
UM6551 / UM6551A
.!,.i.:i;::;t'1~?:t;if~I;);fQ'0~0i~:~::;':':Ji:il~'i:!f!:,:t!:P?:1'i:;i7(ij~~jr~iil{t!~ti!!~tf01;iz;11:;;ji::~;JrJ~Y%;;~i:1~~j,I!~ Asynchronous munication Interface Adapter
Features
- On-chip baud rate generator: 15 programmable baud rates derived from a standard 1.8432 MHz 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 b it detect io n
- 8-bit bi-directional data bus for direct munica- tion with the microprocessor
- External 16x clock input for non-standard baud rates
(up to 125k baud)
- Programmable: word lengths; number of stop...
