Datasheet

Section 15 Serial Communication Interface (SCI, IrDA)
Rev. 4.00 Sep 27, 2006 page 470 of 1130
REJ09B0327-0400
TDRE
TEND
0
1 frame
D0 D1 D7 0/1 1 0 D0 D1 D7 0/1 1
1 1
DataStart
bit
Multi-
proce-
ssor
bit
Stop
bit
Start
bit
Data
Multi-
proces-
sor bit
Stop
bit
TXI interrupt
request
generated
Data written to TDR
and TDRE flag cleared to
0 in TXI interrupt handling
routine
TEI interrupt
request generated
Idle state
(mark state)
TXI interrupt
request generated
Figure 15.11 Example of SCI Operation in Transmission
(Example with 8-Bit Data, Multiprocessor Bit, One Stop Bit)
Multiprocessor Serial Data Reception: Figure 15.12 shows a sample flowchart for
multiprocessor serial reception.
The following procedure should be used for multiprocessor serial data reception.