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Zilog Z16C35 User Manual

Page 279

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Application Note

Boost Your System Performance Using The Zilog ESCC

13-12

AUTOMATIC OPENING FLAG TRANSMISSION

(Continued)

Figure 13. Transmission of Back-to-Back Frames with a Shared Flag

Closing
Flag

Frame N

Flag

Frame N+1

Requirements: Automatic EOM Reset and Automatic Opening Flag features are enabled.

Opening
Flag

Figure 14. Operation of Shared Flag Transmission

TX Underrun/EOM

Tx BE

Data

CRC1

CRC2

Flag

Data

Enable Automatic EOM Reset

ESCC Loa

Data Her

SCC Loa

Data He

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