Z80230 查看數據表（PDF） - Zilog

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Z80230

Zilog SCC Serial Communication Controller

Zilog 

Application Note

Boost Your System Performance Using The Zilog ESCC™

AUTOMATIC OPENING FLAG TRANSMISSION (Continued)

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

Flag

Frame N

Closing

Flag

Opening

Flag

Frame N+1

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

Enable Automatic EOM Reset

Data

CRC1

CRC2

Flag

Data

TX Underrun/EOM

ESCC Loa

Data Her

Tx BE

SCC Loa

Data He

Figure 14. Operation of Shared Flag Transmission

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UM010901-0601

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