HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 491

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Figure 12.11 shows an example of SCI operation for transmission using the multiprocessor format.
request generated
Multiprocessor serial data reception: Figure 12.12 shows a sample flowchart for multiprocessor
serial reception.
The following procedure should be used for multiprocessor serial data reception.
TDRE
TEND
TXI interrupt
1
Start
bit
0
(Example with 8-Bit Data, Multiprocessor Bit, One Stop Bit)
Data written to TDR
and TDRE flag cleared to
0 in TXI interrupt service
routine
D0
Figure 12.11 Example of SCI Operation in Transmission
D1
1 frame
Data
D7
Multi-
proce-
ssor
bit
0/1
TXI interrupt
request generated
Stop
bit
1
Section 12 Serial Communication Interface (SCI)
Start
bit
0
D0
Rev.3.00 Mar. 26, 2007 Page 449 of 772
D1
Data
D7
Multi-
proces-
sor bit
0/1
REJ09B0355-0300
TEI interrupt
request generated
Stop
bit
1
Idle state
(mark state)
1