Z85233 Datasheet, PDF (263/317 Pages) Zilog, Inc. – The Zilog SCC Serial Communication Controller

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
6-128
UM010901-0601