Hitachi SH7095 Hardware User Manual page 379

Figure 13.18 Sample Flowchart for Serial Receiving (cont)
In receiving, the SCI operates as follows:
1. The SCI synchronizes with serial clock input or output and initializes internally.
2. Receive data is shifted into the RSR in order from the LSB to the MSB. After receiving the
data, the SCI checks that RDRF is 0 so that receive data can be loaded from the RSR into the
368 Hitachi
Figure 13.19 Example of SCI Receive Operation