MC68HC11E0CFNE2 Datasheet, PDF(118/242 Page) Freescale Semiconductor, Inc – M68HC11 CPU, Power-saving stop and wait modes, Low-voltage devices available (3.0–5.5 Vdc)

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MC68HC11E0CFNE2 Datasheet, PDF (118/242 Pages) Freescale Semiconductor, Inc – M68HC11 CPU, Power-saving stop and wait modes, Low-voltage devices available (3.0–5.5 Vdc)

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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

Freescale Semiconductor

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