COM20020I3V-DZD-TR SMSC, COM20020I3V-DZD-TR Datasheet - Page 16

• Manufacturer Part Number: COM20020I3V-DZD-TR
• Description: Network Controller & Processor ICs 5Mbps ARCNET CTRL 2K x 8 ON-CHIP RAM
• Manufacturer: SMSC

Specifications of COM20020I3V-DZD-TR

• Mounting Style: SMD/SMT
• Package / Case: PLCC-28
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.6.4
4.6.5
Revision 12-05-06
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:
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
An ACK (ACKnowledgement--ASCII code 86H) character
An ALERT BURST
A NAK (Negative Acknowledgement--ASCII code 15H) character
ALERT BURST
ALERT BURST
DATASHEET
Page 16
5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
ACK
NAK
SMSC COM20020I Rev D
Datasheet