HD6417705F133V Datasheet, PDF (467/741 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

Initialization
Clear TE and RE bits in SCSCR to 0
Set RFRST bit in SCFCR to 1
[1]
Set CKE1 and CKE0 bits in SCSCR
(leaving TE and RE bits cleared to 0)
[2]
Set C/A bit in SCSMR to 1
Set CKS1 and CKS0 bits
[3]
Set value in SCBRR
[4]
Clear RFRST bit in SCFCR to 0 ^[5]
Wait
1-bit interval elapsed?
Yes
[6]
No
End
[1] Be sure to set the RFRST bit in
SCFCR to 1, to reset the FIFOs.
[2] Set the clock selection in SCSCR.
Be sure to clear bits RIE, TIE, TE,
and RE to 0.
[3] Set the clock source selection in
SCSMR.
[4] Write a value corresponding to the
bit rate into SCBRR.
[5] Clear the RFRST bit in SCFCR to 0.
[6] Wait one bit interval.
Figure 16.13 Sample SCIF Initialization Flowchart (2) (Reception)
Rev. 2.00, 09/03, page 419 of 690