Motorola MPC823e - Page 726

Communication Processor Module
16-272 MPC823e REFERENCE MANUAL MOTOROLA
COMMUNICATION
16
PROCESSOR MODULE
SCCs
Figure 16-92 illustrates the algorithms, since some cases are not addressed in RFC 1549.
Figure 16-92. Reception Flowchart
CHAR ≥ = CLOSING
FLAG ?
CHAR ⊕ 0X20
XOR_NEXT =0
CHAR ≥≤ 0X20
MAPPED ?
CHAR ≥ = CTRL ESC?
WRITE CHAR TO
BUFFER
XOR_NEXT=1
XOR_NEXT ?
EXIT
CHAR ≥ = CLOSING
FLAG ?
ABORT
EXIT
RX CHAR
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