HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 519

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

3. Serial Data Reception
Figure 16.15 shows sample flowcharts for serial reception.
When using receive FIFO data interrupt,
Read receive trigger number of receive
Set receive trigger number in RTRG1
Figure 16.15 Sample Serial Reception Flowchart (1)
Clear RE bit in SCSCR to 0
data bytes from SCFRDR
and RTRG0 in SCFCR
Set RE bit in SCSCR
Start of reception
End of reception
set RIE bit to 1
RDF =1?
(First Reception after Initialization)
Yes
No
1
2
3
4
1. Set the receive trigger number
2. Reception is started when the
3. Read receive data while the
4. After the end of reception, clear
in SCFCR.
RE bit in SCSCR is set to 1.
RDF bit is 1.
the RE bit to 0.
Rev. 1.00, 02/04, page 481 of 804