HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 520

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

Rev. 1.00, 02/04, page 482 of 804
When using receive FIFO data interrupt,
Read receive trigger number of receive
Set receive trigger number in RTRG1
Clear RFRST bit in SCFCR to 0
Set RFRST bit in SCFCR to 1
Figure 16.15 Sample Serial Reception Flowchart (2)
Clear RE bit in SCSCR to 0
data bytes from SCFRDR
and RTRG0 in SCFCR
1-bit interval elapsed?
Set RE bit in SCSCR
Start of reception
End of reception
set RIE bit to 1
RDF =1?
(Second and Subsequent Reception)
Yes
Yes
Wait
No
No
1
2
3
4
5
6
1. Set the receive trigger number
2. Reset the receive FIFO.
3. Wait for one bit interval.
4. Reception is started when the RE
5. Read receive data while the RDF
6. After the end of reception, clear the
in SCFCR.
bit in SCSCR is set to 1.
bit is 1.
RE bit to 0.