h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 490

• Manufacturer Part Number: h8s-2169
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 15 Serial Communication Interface (SCI, IrDA)
Figure 15.6 shows an example of the operation for transmission in asynchronous mode.
Rev. 3.00 Jan 18, 2006 page 462 of 1044
REJ09B0280-0300
TDRE
TEND
TXI interrupt
request generated
1
Figure 15.6 Example of Operation in Transmission in Asynchronous Mode
Start
bit
0
Data written to TDR and
TDRE flag cleared to 0 in
TXI interrupt handling 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
Start
bit
0
D0
D1
Data
D7
Parity
bit
0/1
TEI interrupt
request generated
Stop
bit
1
Idle state
(mark state)
1