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COM81C17 PDF预览

COM81C17

更新时间: 2024-02-23 01:37:47
品牌 Logo 应用领域
SMSC /
页数 文件大小 规格书
18页 73K
描述
TWENTY PIN UART (TPUART)

COM81C17 数据手册

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COM81C17  
Twenty Pin UART (TPUART)  
FEATURES  
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Single Chip UART With Baud Rate  
Generator  
Asynchronous Operation  
Double Buffering of Data  
Programmable Interrupt Generation  
Programmable Modem/Terminal Signals  
Odd or Even Parity Generate and Detect  
Parity, Overrun and Framing Error Detection  
TTL Compatible Inputs and Outputs  
High Speed Host Bus Operation (with no  
wait state)  
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16 Selectable Baud Rate Clock  
Frequencies (Internal)  
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External 16x Clock (100 KBaud)  
Character Length: 7 or 8 Bits  
1 or 2 Stop Bit Selection  
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Small 20 Pin DIP (300 mil) or PLCC  
Full or Half Duplex Operation  
Low Power CMOS  
Single +5V Power Supply  
GENERAL DESCRIPTION  
The COM81C17 TPUART is an asynchronous  
only receiver/transmitter with built in  
format along with start, stop and optional parity  
bus. The TPUART will signal the processor via  
interrupt when it has completely transmitted or  
received a character and requires service.  
Complete status information is available to the  
processor through the status register. The  
TPUART features two general purpose control  
pins that can be individually programmed to  
perform as terminal or modem control  
handshake signals.  
a
programmable baud rate generator housed in a  
twenty pin package. The TPUART receives  
serial data streams and converts them into  
parallel data characters for the processor. While  
receiving serial data, the TPUART will also  
accept data characters from the processor in  
parallel format and convert them into serial  

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