XR68C192

更新时间： 2024-11-20 22:11:11

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
32页	284K
描述
DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER

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中文翻译

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数据手册

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XR68C192 数据手册

XR68C92/192

DUAL UNIVERSAL ASYNCHRONOUS

RECEIVER AND TRANSMITTER

May 2000

DESCRIPTION

TheXR68C92/192isaDualUniversalAsynchronousReceiverandTransmitter with8(XR68C92)or16(XR68C192)

bytesoftransmitandreceiveFIFOs.TheXR68C92/192is pin-to-pinandfunctionallycompatibletotheXR68C681

and Philips SCC68681 UART with additional features. The operating speed of the receiver and transmitter can be

selectedindependentlyfromatableoftwentyfourfixedbaudrates,a16Xclockderivedfromaprogrammablecounter/

timer, oranexternal1Xor16Xclock. Thebaudrategeneratorandcounter/timercanoperatedirectlyfromacrystal

or from external clock input. The XR68C92/192 provides a power down mode in which the oscillator is stopped but

theregistercontentsareretained.TheXR68C92/192isfabricatedinanadvancedCMOSprocesstoachievelowpower

andhighspeedrequirements.

FEATURES

•Pin to pin and functionally compatible to XR68C681

andSCC68692

PLCC Package

•Full duplex transmit and receive operation

•8 bytes of transmit/receive FIFOs (XR68C92)

•16 bytes of transmit/receive FIFOs (XR68C192)

•Programmable character lengths (5, 6, 7, 8)

•Parity, framing, and over run error detection

•Programmable 16-bit timer/counter

•On-chip crystal oscillator

•Single interrupt output with eight selectable interrupt-

ing conditions

A 4

IP 0

-C S

-R ES ET

X TAL2

X TAL1

R X A

R /-W

-D TAC K

R X B

•External 1X or 16X clock

•Data rate up to 1Mbps

•Independent transmit and receive baud rates from

50bps to 230.4kbps

XR68C92

XR68C192

N .C .

TX B

TX A

O P0

O P1

•6 General purpose inputs

•8 General purpose outputs

•TTL compatible inputs, outputs

•4 Transmit/receive trigger levels

•Watch dog timer

O P2

O P3

O P5

O P4

O P7

O P6

•Multi-drop mode compatible with 8051 nine bit mode

•3.3 or 5 volts operation

•Loopback modes

•Power down mode

ORDERING INFORMATION

Part number

XR68C192CP

XR68C192CJ

XR68C192CV

XR68C192IP

XR68C192IJ

XR68C192IV

Pins PackageOperating temperature

Partnumber

XR68C92CP

XR68C92CJ

XR68C92CV

XR68C92IP

XR68C92IJ

XR68C92IV

Pins Package

40 PDIP

44 PLCC

44 TQFP

40 PDIP

44 PLCC

44 TQFP

Operatingtemperature

0° C to + 70° C

40 PDIP

44 PLCC

44 TQFP

40 PDIP

44 PLCC

44 TQFP

0° C to + 70° C

-40° C to + 85° C

Rev.P2.10

www.exar.com

EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 • (510) 668-7000 • FAX (510) 668-7017

12 3 4 5 6 7...32

中文翻译

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与XR68C192相关器件

型号	品牌	获取价格	描述	数据表
XR68C192CJ	EXAR	获取价格	DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C192CP	EXAR	获取价格	DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C192CV	EXAR	获取价格	DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C192CV-F	EXAR	获取价格	暂无描述
XR68C192IJ	EXAR	获取价格	DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C192IJ-F	EXAR	获取价格	暂无描述
XR68C192IP	EXAR	获取价格	DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C192IV	EXAR	获取价格	DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C192IV-F	EXAR	获取价格	Serial I/O Controller, 2 Channel(s), 0.125MBps, CMOS, PQFP44, GREEN, LQFP-44
XR68C681	EXAR	获取价格	CMOS Dual Channel UART (DUART)

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