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HD64F2149YV Datasheet(PDF) 499 Page - Renesas Technology Corp

Part # HD64F2149YV
Description  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
PDF  1075 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD64F2149YV Datasheet(HTML) 499 Page - Renesas Technology Corp

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Section 15 Serial Communication Interface (SCI, IrDA)
Rev. 3.00 Jan 18, 2006 page 471 of 1044
REJ09B0280-0300
Figure 15.11 shows an example of SCI operation for transmission using a multiprocessor format.
TDRE
TEND
0
1 frame
D0
D1
D7
0/1
1
0
D0
D1
D7
0/1
1
1
1
Data
Start
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.



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