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WD1933

Western Digital
Part Number WD1933
Manufacturer Western Digital
Description Synchronous Data Link Controller
Published Dec 9, 2019
Detailed Description WESTERN DIGITAL c oRp o R A T/ oN WD1933 Synchronous Data Link Controller FEATURES .. HDLC, SDLC, ADCCP AND CCITT X.25 ...
Datasheet PDF File WD1933 PDF File

WD1933
WD1933

Overview
WESTERN DIGITAL c oRp o R A T/ oN WD1933 Synchronous Data Link Controller FEATURES .
.
HDLC, SDLC, ADCCP AND CCITT X.
25 COMPATIBLE .
.
LOOP DATA LINK CAPABILITY o FULL OR HALF DUPLEX OPERATION .
.
DC TO 1.
5 MBITS/SEC DATA RATE • DC TO 1.
0 MBITS/SEC DATA RATE (SDLC LOOP MODE) .
.
PROGRAMMABLE/AUTOMATIC FCS (CRC) GENERA- TION AND CHECKING .
.
PROGRAMMABLE NRZI ENCODE/DECODE .
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FULL SET OF MODEM CONTROL SIGNALS .
.
DIGITAL PHASE LOCKED LOOP .
.
FULLY COMPATIBLE WITH MOST CPU'S .
.
MINIMUM CPU OVERHEAD .
.
ASYNCHRONOUS/SYNCHRONOUS MULTI-PROTO- COL BOARD CAPABILITY (PIN COMPATIBLE WITH WD 1931) o FULLY TTL COMPATIBLE .
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SINGLE +5V SUPPLY .
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ERROR DETECTION: CRC, UNDERRUN, OVERRUN, ABORTED OR INVALID FRAME ERRORS.
• STRAIGHT FORWARD CPU INTERRUPTS .
.
PROGRAMMABLE MODEM CONTROL INTERRUPTS • DOUBLE BUFFERING OF DATA o DMA COMPATABILITY .
.
J n0«:.
.
.
END OF BLOCK OPTION .
.
VARIABLE CHARACTER LENGTH (5, 6, 7 OR 8 BITS) .
.
RESIDUAL CHARACTER CAPABILITY .
.
ADDRESS COMPARE o GLOBAL ADDRESS RECOGNITI...


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