MC68HC711D3_05 Datasheet, PDF (76/138 Pages) Freescale Semiconductor, Inc – Microcontrollers

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 6-9. Interrupt Source Resolution within SCI
MC68HC711D3 Data Sheet, Rev. 2.1
76
Freescale Semiconductor