SH7750_08 Datasheet, PDF (781/1162 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 15 Serial Communication Interface (SCI)
Figure 15.11 shows an example of the operation for reception in asynchronous mode.
Start
1
bit
Data
Parity Stop Start
bit bit bit
Data
Parity Stop
bit bit
Serial
0 D0 D1
D7 0/1 1 0 D0 D1
D7 0/1 0
0/1
data
RDRF
FER
RXI interrupt
request
One frame
SCRDR1 data read and
RDRF flag cleared to 0
by RXI interrupt handler
ERI interrupt request
generated by framing
error
Figure 15.11 Example of SCI Receive Operation
(Example with 8-Bit Data, Parity, One Stop Bit)
Rev.7.00 Oct. 10, 2008 Page 697 of 1074
REJ09B0366-0700