h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 450

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 15 Serial Communication Interface (SCI and IrDA)
Rev. 3.00 Mar 21, 2006 page 396 of 788
REJ09B0300-0300
Synchronization
clock
Serial data
TDRE
TEND
Figure 15.16 Example of SCI Transmit Operation in Clocked Synchronous Mode
TXI interrupt
request generated
Data written to TDR
and TDRE flag cleared
to 0 in TXI interrupt
handling 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