WD1984
WD1984 is SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER manufactured by Western Digital.
WESTERN DIGITAL c oRp o RA T oN
WD1984 MULTI-CHARACTER SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER
Features o TWO OPERATING MODES: SYNCHRONOUS & ASYN-
CHRONOUS
- 1 TO 8 CHARACTERS OF 5,6,7, OR 8 BITS PER CHARACTER TRANSMISSION
It SELECTABLE PARITY INSERTION IN OR AFTER LAST BIT OF WORD
It EVEN/ODD PARITY SELECT OR NO PARITY
.. DOUBLE BUFFERED RECEIVER & TRANSMITTER
.. ASYNCHRONOUS SELECTABLE CLOCK RATES (lx,16x)
.. UNDERRUN ERROR DETECTION FOR TRANSMISSION
.. OVERRUN, FRAMING AND PARITY ERROR DETECTION ON RECEIVER
.. LINE BREAK GENERATION AND DETECTION (ASYNC MODE)
.. FIRST CHARACTER OF WORD FLAG FOR SINGLE INTERRUPT APPLICATIONS o DIAGNOSTIC LOCAL LOOP-BACK TEST MODE o DC TO 1M...
