r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 598

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Section 14 Serial Communication Interface (SCI)
Figure 14.5 shows an example of the operation for transmission.
Rev. 1.00 Sep. 21, 2007 Page 572 of 1124
REJ09B0402-0100
Serial
data
TDRE
TEND
1
TXI interrupt
request
Figure 14.5 Example of Transmission in Asynchronous Mode
Start
bit
0
Data written to SCTDR
and TDRE flag cleared to 0
by TXI interrupt handler
D0
D1
One frame
Data
(8-Bit Data, Parity, One Stop Bit)
D7
Parity
bit
0/1
TXI interrupt
request
Stop
bit
1
Start
bit
0
D0
D1
Data
D7
Parity
bit
0/1
Stop
bit
1
TEI interrupt
request
Idle state
(mark state)
1