h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 499

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Figure 13.6 shows an example of the operation for transmission in asynchronous mode.
TDRE
TEND
TXI interrupt
request generated
1
Figure 13.6 Example of Operation in Transmission in Asynchronous Mode
Start
bit
0
Data written to TDR and
TDRE flag cleared to 0 in
TXI interrupt service routine
D0
D1
(Example with 8-Bit Data, Parity, One Stop Bit)
1 frame
Data
D7
Parity
bit
0/1
TXI interrupt
request generated
Stop
bit
1
Section 13 Serial Communication Interface (SCI)
Start
bit
0
Rev. 5.00 Sep 22, 2005 page 473 of 1136
D0
D1
Data
D7
Parity
bit
0/1
TEI interrupt
request generated
REJ09B0257-0500
Stop
bit
1
Idle state
(mark state)
1