r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 609

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

Figure 14.13 shows an example of SCI receive operation.
Transmitting and Receiving Serial Data Simultaneously (Clock Synchronous Mode): Figure
14.14 shows a sample flowchart for transmitting and receiving serial data simultaneously.
Use the following procedure for serial data transmission and reception after enabling the SCI for
transmission and reception.
Synchronization
Serial data
ORER
RDRF
clock
Transfer direction
RXI interrupt
request
Figure 14.13 Example of SCI Receive Operation
Bit 7
Data read from SCRDR and
RDRF flag cleared to 0 by RXI
interrupt handler
Bit 0
One frame
Bit 7
Section 14 Serial Communication Interface (SCI)
RXI interrupt
request
Bit 0
Rev. 1.00 Sep. 21, 2007 Page 583 of 1124
Bit 1
ERI interrupt request
by overrun error
REJ09B0402-0100
Bit 6
Bit 7