MC68HC11F1_13 Datasheet, PDF (98/158 Pages) Freescale Semiconductor, Inc – Technical Data

Freescale Semiconductor, Inc.
BEGIN
RDRF = 1
YES
?
NO
OR = 1
YES
?
NO
RIE = 1
YES
?
NO
RE = 1
YES
?
NO
TDRE = 1
YES
?
NO
TIE = 1
YES
?
NO
TE = 1
YES
?
NO
TC = 1
YES
?
NO
TCIE = 1
YES
?
NO
IDLE = 1
YES
?
NO
ILIE = 1
YES
?
NO
RE = 1
YES
?
NO
NO – VALID SCI
REQUEST
YES – VALID SCI
REQUEST
Figure 7-4 Interrupt Source Resolution Within SCI
7-12
SERIAL COMMUNICATIONS INTERFACE
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MC68HC11F1
TECHNICAL DATA