COM20022I-3.3V 데이터 시트보기 (PDF) - SMSC -> Microchip

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COM20022I-3.3V

10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM

SMSC -> Microchip 

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:

ƒ An ALERT BURST

ƒ 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:

ƒ An ALERT BURST

ƒ 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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