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XP88C61140 PDF预览

XP88C61140

更新时间: 2024-11-29 01:22:31
品牌 Logo 应用领域
艾科嘉 - EXAR /
页数 文件大小 规格书
101页 2505K
描述
Two Full Duplex, Independent Channels

XP88C61140 数据手册

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XR88C681  
CMOS Dual Channel  
UART (DUART)  
June 2006  
FEATURES  
D Two Full Duplex, Independent Channels  
D Asynchronous Receiver and Transmitter  
D Quadruple-Buffered Receivers and Dual Buffered  
Transmitters  
D Programmable Stop Bits in 1/16 Bit Increments  
D Internal Bit Rate Generators with More than 23 Bit  
Rates  
D Programmable Interrupt Daisy Chain  
D 8 General Purpose Outputs (40 Pin DIP and 44 Pin  
PLCC Packages Only)  
D 7 General Purpose Inputs with Change of States  
Detectors on Inputs (40 Pin DIP and 44 Pin PLCC  
Packages Only)  
D Multi-Drop Mode Compatible with 8051 Nine Bit  
Mode  
D Independent Bit Rate Selection for Each Transmitter  
and Receiver  
D On-Chip Oscillator for Crystal  
D Standby Mode to Reduce Operating Power  
D Compatible with the Motorola MC2681 and  
Signetics SCC2692 devices  
D External Clock Capability  
D Maximum Bit Rate: 1X Clock - 1Mb/s, 16X Clock -  
125kb/s  
D Advanced CMOS Low Power Technology  
D Normal, AUTOECHO, Local LOOPBACK and  
Remote LOOPBACK Modes  
D Multi-function 16 Bit Counter/Timer  
D Interrupt Output with Eight Maskable Interrupt  
Conditions  
APPLICATIONS  
D Multimedia Systems  
D Serial to Parallel/Parallel to Serial Converter  
D DTE for Modem Communication Systems  
D Interrupt Vector Output on Acknowledge (40 Pin DIP  
and 44 Pin PLCC Packages Only)  
GENERAL DESCRIPTION  
The EXAR Dual Universal Asynchronous Receiver and  
Transmitter (DUART) is a data communications device that  
provides two fully independent full duplex asynchronous  
communication channels in a single package. The DUART  
is designed for use in microprocessor based systems and  
may be used in a polled or interrupt driven environment.  
The DUART is fabricatedusing advancedtwo layer metal,  
with a high performance density EPI/CMOS 1.8 process  
to provide high performance and low power consumption,  
and is packaged in a 40 pin PDIP, a 28 pin PDIP, and a 44  
pin PLCC.  
The XR88C681 device offers a single IC solution for the  
8080/85, 8086/88, Z80, Z8000, 68xx and 65xx  
microprocessor families.  
ORDERING INFORMATION  
Operating  
Part No.  
Pin Package  
44 PLCC  
Temperature Range  
XR88C681CJ  
XR88C681CN/40  
XR88C681CP/28  
XR88C681CP/40  
XR88C681J  
0°C to 70°C  
0°C to 70°C  
40 CDIP  
28 PDIP  
40 PDIP  
44 PLCC  
40 CDIP  
28 PDIP  
40 PDIP  
0°C to 70°C  
0°C to 70°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
XR88C681N/40  
XR88C681P/28  
XR88C681P/40  
Rev. 2.11  
E2006  

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