COM20022I3V-HT 查看數據表（PDF） - SMSC -> Microchip
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COM20022I3V-HT Datasheet PDF : 73 Pages
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10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM
Datasheet
4.6.4 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:
An ALERT BURST
An ACK (ACKnowledgement--ASCII code 86H) character
ALERT BURST
ACK
4.6.5 Negative Acknowledgements
A Negative Acknowledgement is used as a negative response to FREE BUFFER ENQUIRIES and is sent
by the following sequence:
An ALERT BURST
A NAK (Negative Acknowledgement--ASCII code 15H) character
ALERT BURST
NAK
SMSC COM20022I 3.3V Rev.C
Page 15
DATASHEET
Revision 03-08-07
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