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COM20020I3V-HT 参数 Datasheet PDF下载

COM20020I3V-HT图片预览
型号: COM20020I3V-HT
PDF下载: 下载PDF文件 查看货源
内容描述: 5Mbps的ARCNET ( ANSI 878.1 )控制器2K ×8片内RAM [5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM]
分类和应用: 外围集成电路数据传输控制器局域网时钟
文件页数/大小: 65 页 / 472 K
品牌: SMSC [ SMSC CORPORATION ]
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5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM  
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Two CRC (Cyclic Redundancy Check) characters. The CRC polynomial used is: X16 + X15 + X2 + 1.  
Acknowledgements  
An Acknowledgement is used to acknowledge reception of a packet or as an affirmative response to FREE BUFFER  
ENQUIRIES and is sent by the following sequence:  
ƒ
ƒ
An ALERT BURST  
An ACK (ACKnowledgement--ASCII code 86H) character  
ALERT BURST  
ACK  
Negative Acknowledgements  
A Negative Acknowledgement is used as a negative response to FREE BUFFER ENQUIRIES and is sent by the  
following sequence:  
ƒ
ƒ
An ALERT BURST  
A NAK (Negative Acknowledgement--ASCII code 15H) character  
ALERT BURST  
NAK  
Revision 12-06-06  
14  
SMSC COM20020I 3.3V  
DATASHEET  
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