h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 432

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 13 Serial Communication Interface (SCI)
Rev. 2.00 Dec. 05, 2005 Page 394 of 724
REJ09B0200-0200
Synchronization
clock
Serial data
TDRE
TEND
Figure 13.16 Sample SCI Transmission Operation in Clocked Synchronous Mode
TXI interrupt
request generated
Data written to TDR
and TDRE flag cleared
to 0 in TXI interrupt
service routine
Bit 0
Transfer direction
Bit 1
1 frame
Bit 7
TXI interrupt
request generated
Bit 0
Bit 1
TEI interrupt request
generated
Bit 6
Bit 7