
Rev. 2.0, 11/00, page 482 of 1037
Figure 23.11 shows an example of SCI1 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
Data
Data
TXI interrupt
request
general
Data written to TDR1 and
TDRE flag cleared to 0
in TXI interrupt handling
routine
TEI interrupt
request
generated
Idle state
(mark state)
TXI interrupt request
generated
Start
bit
Multi-
processor
bit
Stop
bit
Start
bit
Stop
bit 1
Multi-
processor
bit
Figure 23.11 Example of SCI1 Operation in Transmission
(Example with 8-Bit Data, Multiprocessor Bit, One Stop Bit)
(b) Multiprocessor Serial Data Reception
Figure 23.12 shows a sample flowchart for multiprocessor serial reception.
The following procedure should be used for multiprocessor serial data reception.
Summary of Contents for Hitachi H8S/2191
Page 123: ...Rev 2 0 11 00 page 96 of 1037...
Page 149: ...Rev 2 0 11 00 page 122 of 1037...
Page 197: ...Rev 2 0 11 00 page 170 of 1037...
Page 247: ...Rev 2 0 11 00 page 220 of 1037...
Page 249: ...Rev 2 0 11 00 page 222 of 1037...
Page 347: ...Rev 2 0 11 00 page 320 of 1037...
Page 357: ...Rev 2 0 11 00 page 330 of 1037...
Page 417: ...Rev 2 0 11 00 page 390 of 1037...
Page 431: ...Rev 2 0 11 00 page 404 of 1037...
Page 439: ...Rev 2 0 11 00 page 412 of 1037...
Page 457: ...Rev 2 0 11 00 page 430 of 1037...
Page 525: ...Rev 2 0 11 00 page 498 of 1037...
Page 543: ...Rev 2 0 11 00 page 516 of 1037...
Page 845: ...Rev 2 0 11 00 page 818 of 1037...