XR88C92/192
DUAL UNIVERSAL ASYNCHRONOUS
RECEIVER AND TRANSMITTER
August 2016
DESCRIPTION
TheXR88C92/192isaDualUniversalAsynchronousReceiverandTransmitterwith8(XR88C92)/16(XR88C192)
bytes transmit and receive FIFO. The XR88C92/192 is a pin and functional replacement for the SC26C92 and an
improvedversionofthePhilipsSCC2692UARTwithfasterdataaccessandotheradditionalfeatures.Theoperating
speedofthereceiverandtransmittercanbeselectedindependentlyfromatableofeighteen fixedbaudrates,a16X
clockderivedfromaprogrammablecounter/timer,oranexternal1Xor16Xclock.Thebaudrategeneratorandcounter/
timercanoperatedirectlyfromacrystalorfromexternalclockinput.TheXR88C92/192providesapower-downmode
inwhichtheoscillatorisstoppedbuttheregistercontentsareretained.TheXR88C92/192isfabricatedinanadvanced
CMOSprocess to achievelow powerand high speed requirements.
FEATURES
PLCC Package
Addedfeaturesindeviceswithtopmarkingof"D2"and
newer:
x 5 volt tolerant inputs
x Pin to pin and functional compatible to SC26C92
x Enhanced Multidrop mode operation with separate
storage for address and data tags (9th bit)
x 8Bytestransmit/receiveFIFO(XR88C92)
x16Bytestransmit/receiveFIFO(XR88C192)
x Standard baud rates from 50bps to 230.4kbps
x Non-standard baud rate of up to 1Mbps
x TransmitandReceivetriggerlevels
x Watch dog timer
x Programmableclocksourceforreceiverandtransmit-
ter of each channel
x Singleinterruptoutput
x 7 Multipurpose inputs, 8 Multipurpose outputs
x 2.97 to 5.5 volt operation
x Programmable character lengths (5, 6, 7, 8)
x Parity,framing, and over runerrordetection
x Programmable16-bittimer/counter
x On-chip crystal oscillator
x Powerdownmode
ORDERING INFORMATION
Part Number
Part Number
XR88C92CJ-F
XR88C92CV-F
XR88C92IJ-F
XR88C92IV-F
XR88C192CJ-F
XR88C192CV-F
XR88C192IJ-F
XR88C192IV-F
(Tape & Reel)
Package
Operating Temperature
0° C to + 70° C
0° C to + 70° C
-40° C to + 85° C
-40° C to + 85° C
0° C to + 70° C
0° C to + 70° C
-40° C to + 85° C
-40° C to + 85° C
XR88C92CJTR-F
XR88C92CVTR-F
XR88C92IJTR-F
XR88C92IVTR-F
XR88C192CJTR-F
XR88C192CVTR-F
XR88C192IJTR-F
XR88C192IVTR-F
44-LeadPLCC
44-Lead LQFP
44-LeadPLCC
44-Lead LQFP
44-LeadPLCC
44-Lead LQFP
44-LeadPLCC
44-Lead LQFP
Note: Refer to website for most up-to-date ordering information.
Rev.1.34
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 x (510) 668-7000 x FAX (510) 668-7017