MC68711E20CFNE3 Datasheet, PDF (118/242 Pages) –

Serial Communications Interface (SCI)
BEGIN
FLAG
Y
RDRF = 1?
N
Y
OR = 1?
N
Y
RIE = 1?
N
Y
RE = 1?
N
Y
TDRE = 1?
N
Y
TIE = 1?
N
Y
TE = 1?
N
Y
TC = 1?
N
Y
TCIE = 1?
N
Y
IDLE = 1?
N
Y
ILIE = 1?
N
Y
RE = 1?
N
NO
VALID SCI REQUEST
VALID SCI REQUEST
Figure 7-10. Interrupt Source Resolution Within SCI
M68HC11E Family Data Sheet, Rev. 5.1
118
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