mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 285
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mc68hc908sr12
Manufacturer Part Number
mc68hc908sr12
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908SR12.pdf
(404 pages)
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MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
BYTE 1
BYTE 1
READ SCS1
READ SCDR
PE — Receiver Parity Error Bit
SCRF = 1
This clearable, read-only bit is set when the SCI detects a parity error
in incoming data. PE generates a PE CPU interrupt request if the
PEIE bit in SCC3 is also set. Clear the PE bit by reading SCS1 with
PE set and then reading the SCDR. Reset clears the PE bit.
BYTE 1
OR = 0
Figure 16-13. Flag Clearing Sequence
1 = Parity error detected
0 = No parity error detected
Serial Communications Interface (SCI)
READ SCDR
READ SCS1
DELAYED FLAG CLEARING SEQUENCE
NORMAL FLAG CLEARING SEQUENCE
BYTE 2
BYTE 2
SCRF = 1
BYTE 1
OR = 0
READ SCDR
READ SCS1
SCRF = 1
BYTE 2
OR = 0
BYTE 3
BYTE 3
Serial Communications Interface (SCI)
READ SCDR
READ SCDR
READ SCS1
READ SCS1
SCRF = 1
SCRF = 1
BYTE 3
BYTE 3
OR = 1
OR = 0
BYTE 4
BYTE 4
I/O Registers
Data Sheet
285
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