Datasheet

Section 15 Serial Communication Interface (SCI, IrDA)
R01UH0309EJ0500 Rev. 5.00 Page 915 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Transfer direction
Bit 0
Serial data
Serial clock
1 frame
TDRE
TEND
Bit 1 Bit 7 Bit 0 Bit 1 Bit 7Bit 6
Data written to TDR
and TDRE flag
cleared to 0 in TXI
interrupt handling routine
TEI interrupt
request generated
TXI interrupt
request generated
TXI interrupt
request generated
Figure 15.16 Sample SCI Transmission Operation in Clocked Synchronous Mode