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Rev. 5.00, 09/03, page 473 of 760
RDRF
MPIE
RDR
value
Example: Own ID matches data
ID1 ID2 Data2
01
1 1
10 1
MPB MPB
Serial
data
Start
bit
Data
(ID2)
Data
(Data 2)
Stop
bit
Start
bit
Stop
bit
Idle (mark
)
state
D
0
D
1
D
7
D
0
D
1
D
7
0
RXI interrupt request
(multiprocessor
interrupt) generated,
MPIE = 0
RXI interrupt handler
reads RDR data and
clears RDRF bit to 0
ID is that of station,
so reception continues
unchanged and data
is received by RXI
interrupt handler
MPIE bit
set to 1
again
Figure 14.16 Example of SCI Receive Operation (cont)
(8-Bit Data with Multiprocessor Bit and One Stop Bit)