Serial Communications Interface (SCI)
Receiver Flags
M68HC11E Family — Rev. 5
Data Sheet
MOTOROLA
Serial Communications Interface (SCI)
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131
Figure 7-10. Interrupt Source Resolution Within SCI
FLAG
RDRF = 1
Y
N
OR = 1
Y
N
Y
N
TDRE = 1
TC = 1
Y
N
IDLE = 1
Y
N
Y
N
Y
N
Y
N
ILIE = 1
RIE = 1
TIE = 1
BEGIN
RE = 1
Y
N
Y
N
TE = 1
TCIE = 1
Y
N
RE = 1
Y
N
VALID SCI REQUEST
NO
VALID SCI REQUEST
F
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