Datasheet

Section 16 Serial Communication Interface (SCI, IrDA)
(The H8S/2695 is not equipped with an IrDA function)
Page 774 of 1434 R01UH0166EJ0600 Rev. 6.00
Mar 02, 2011
H8S/2633 Group, H8S/2633 F-ZTAT
TM
,
H8S/2633R F-ZTAT
TM
, H8S/2695
Figure 16.11 shows an example of SCI operation for transmission using the multiprocessor
format.
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 service
routine
TEI interrupt
request generated
Idle state
(mark state)
TXI interrupt
request generated
Figure 16.11 Example of SCI Operation in Transmission
(Example with 8-Bit Data, Multiprocessor Bit, One Stop Bit)